diff --git a/config-msvc.h b/config-msvc.h
index 8be9195f..ce257f78 100644
--- a/config-msvc.h
+++ b/config-msvc.h
@@ -4,7 +4,7 @@
 
 #define ENABLE_DEF_AUTH 1
 #define ENABLE_PF 1
-#define ENABLE_CRYPTO_OPENSSL 1
+#define CRYPTO_OPENSSL 1
 #define ENABLE_DEBUG 1
 #define ENABLE_EUREPHIA 1
 #define ENABLE_FRAGMENT 1
diff --git a/doc/doxygen/doc_data_crypto.h b/doc/doxygen/doc_data_crypto.h
index c2b1866c..a8cf8d3b 100644
--- a/doc/doxygen/doc_data_crypto.h
+++ b/doc/doxygen/doc_data_crypto.h
@@ -58,13 +58,11 @@
  *     - \c openvpn_decrypt()
  *
  * @par Settings that control this module's activity
- * Whether or not the Data Channel Crypto module is active depends on the
- * compile-time \c ENABLE_CRYPTO preprocessor macro.  How it processes packets
- * received from the \link data_control Data Channel Control module\endlink at
- * runtime depends on the associated \c crypto_options structure.  To perform
- * cryptographic operations, the \c crypto_options.key_ctx_bi must contain the
- * correct cipher and HMAC security parameters for the direction the packet is
- * traveling in.
+ * How the data channel processes packets received from the \link data_control
+ * Data Channel Control module\endlink at runtime depends on the associated
+ * \c crypto_options structure.  To perform cryptographic operations, the
+ * \c crypto_options.key_ctx_bi must contain the correct cipher and HMAC
+ * security parameters for the direction the packet is traveling in.
  *
  * @par Crypto algorithms
  * This module uses the crypto algorithm implementations of the external
diff --git a/doc/doxygen/openvpn.doxyfile.in b/doc/doxygen/openvpn.doxyfile.in
index d9e9ed08..34e5da9d 100644
--- a/doc/doxygen/openvpn.doxyfile.in
+++ b/doc/doxygen/openvpn.doxyfile.in
@@ -235,7 +235,7 @@ EXPAND_ONLY_PREDEF     = NO
 SEARCH_INCLUDES        = YES
 INCLUDE_PATH           =
 INCLUDE_FILE_PATTERNS  =
-PREDEFINED             = _WIN32 NTLM USE_LZO ENABLE_FRAGMENT P2MP P2MP_SERVER ENABLE_CRYPTO_OPENSSL ENABLE_PLUGIN ENABLE_MANAGEMENT ENABLE_OCC HAVE_GETTIMEOFDAY
+PREDEFINED             = _WIN32 NTLM USE_LZO ENABLE_FRAGMENT P2MP P2MP_SERVER CRYPTO_OPENSSL ENABLE_PLUGIN ENABLE_MANAGEMENT ENABLE_OCC HAVE_GETTIMEOFDAY
 EXPAND_AS_DEFINED      =
 SKIP_FUNCTION_MACROS   = YES
 #---------------------------------------------------------------------------
diff --git a/include/openvpn-plugin.h.in b/include/openvpn-plugin.h.in
index f29b3a0b..da3a8f9c 100644
--- a/include/openvpn-plugin.h.in
+++ b/include/openvpn-plugin.h.in
@@ -26,21 +26,19 @@
 
 #define OPENVPN_PLUGIN_VERSION 3
 
-#ifdef ENABLE_CRYPTO
-#ifdef ENABLE_CRYPTO_MBEDTLS
+#ifdef CRYPTO_MBEDTLS
 #include <mbedtls/x509_crt.h>
 #ifndef __OPENVPN_X509_CERT_T_DECLARED
 #define __OPENVPN_X509_CERT_T_DECLARED
 typedef mbedtls_x509_crt openvpn_x509_cert_t;
 #endif
-#else  /* ifdef ENABLE_CRYPTO_MBEDTLS */
+#else  /* ifdef CRYPTO_MBEDTLS */
 #include <openssl/x509.h>
 #ifndef __OPENVPN_X509_CERT_T_DECLARED
 #define __OPENVPN_X509_CERT_T_DECLARED
 typedef X509 openvpn_x509_cert_t;
 #endif
 #endif
-#endif
 
 #include <stdarg.h>
 #include <stddef.h>
@@ -391,9 +389,9 @@ struct openvpn_plugin_args_open_return
  * *per_client_context : the per-client context pointer which was returned by
  *        openvpn_plugin_client_constructor_v1, if defined.
  *
- * current_cert_depth : Certificate depth of the certificate being passed over (only if compiled with ENABLE_CRYPTO defined)
+ * current_cert_depth : Certificate depth of the certificate being passed over
  *
- * *current_cert : X509 Certificate object received from the client (only if compiled with ENABLE_CRYPTO defined)
+ * *current_cert : X509 Certificate object received from the client
  *
  */
 struct openvpn_plugin_args_func_in
@@ -403,13 +401,8 @@ struct openvpn_plugin_args_func_in
     const char **const envp;
     openvpn_plugin_handle_t handle;
     void *per_client_context;
-#ifdef ENABLE_CRYPTO
     int current_cert_depth;
     openvpn_x509_cert_t *current_cert;
-#else
-    int __current_cert_depth_disabled; /* Unused, for compatibility purposes only */
-    void *__current_cert_disabled; /* Unused, for compatibility purposes only */
-#endif
 };
 
 
diff --git a/src/openvpn/crypto.c b/src/openvpn/crypto.c
index 3f3caa1c..0dc4c135 100644
--- a/src/openvpn/crypto.c
+++ b/src/openvpn/crypto.c
@@ -30,8 +30,6 @@
 
 #include "syshead.h"
 
-#ifdef ENABLE_CRYPTO
-
 #include "crypto.h"
 #include "error.h"
 #include "integer.h"
@@ -430,7 +428,7 @@ openvpn_decrypt_aead(struct buffer *buf, struct buffer work,
     tag_ptr = BPTR(buf);
     ASSERT(buf_advance(buf, tag_size));
     dmsg(D_PACKET_CONTENT, "DECRYPT MAC: %s", format_hex(tag_ptr, tag_size, 0, &gc));
-#if defined(ENABLE_CRYPTO_OPENSSL) && OPENSSL_VERSION_NUMBER < 0x10001040L
+#if defined(CRYPTO_OPENSSL) && OPENSSL_VERSION_NUMBER < 0x10001040L
     /* OpenSSL <= 1.0.1c bug requires set tag before processing ciphertext */
     if (!EVP_CIPHER_CTX_ctrl(ctx->cipher, EVP_CTRL_GCM_SET_TAG, tag_size, tag_ptr))
     {
@@ -1842,5 +1840,3 @@ translate_cipher_name_to_openvpn(const char *cipher_name)
 
     return pair->openvpn_name;
 }
-
-#endif /* ENABLE_CRYPTO */
diff --git a/src/openvpn/crypto.h b/src/openvpn/crypto.h
index 6d60ef8c..8e8ee8f5 100644
--- a/src/openvpn/crypto.h
+++ b/src/openvpn/crypto.h
@@ -122,8 +122,6 @@
 #ifndef CRYPTO_H
 #define CRYPTO_H
 
-#ifdef ENABLE_CRYPTO
-
 #include "crypto_backend.h"
 #include "basic.h"
 #include "buffer.h"
@@ -513,6 +511,4 @@ key_ctx_bi_defined(const struct key_ctx_bi *key)
     return key->encrypt.cipher || key->encrypt.hmac || key->decrypt.cipher || key->decrypt.hmac;
 }
 
-
-#endif /* ENABLE_CRYPTO */
 #endif /* CRYPTO_H */
diff --git a/src/openvpn/crypto_backend.h b/src/openvpn/crypto_backend.h
index 567fd9b2..21ed7646 100644
--- a/src/openvpn/crypto_backend.h
+++ b/src/openvpn/crypto_backend.h
@@ -29,10 +29,10 @@
 #ifndef CRYPTO_BACKEND_H_
 #define CRYPTO_BACKEND_H_
 
-#ifdef ENABLE_CRYPTO_OPENSSL
+#ifdef CRYPTO_OPENSSL
 #include "crypto_openssl.h"
 #endif
-#ifdef ENABLE_CRYPTO_MBEDTLS
+#ifdef CRYPTO_MBEDTLS
 #include "crypto_mbedtls.h"
 #endif
 #include "basic.h"
diff --git a/src/openvpn/crypto_mbedtls.c b/src/openvpn/crypto_mbedtls.c
index f4d239bc..872f643f 100644
--- a/src/openvpn/crypto_mbedtls.c
+++ b/src/openvpn/crypto_mbedtls.c
@@ -34,7 +34,7 @@
 
 #include "syshead.h"
 
-#if defined(ENABLE_CRYPTO) && defined(ENABLE_CRYPTO_MBEDTLS)
+#if defined(CRYPTO_MBEDTLS)
 
 #include "errlevel.h"
 #include "basic.h"
@@ -903,4 +903,4 @@ hmac_ctx_final(mbedtls_md_context_t *ctx, uint8_t *dst)
     ASSERT(0 == mbedtls_md_hmac_finish(ctx, dst));
 }
 
-#endif /* ENABLE_CRYPTO && ENABLE_CRYPTO_MBEDTLS */
+#endif /* CRYPTO_MBEDTLS */
diff --git a/src/openvpn/crypto_openssl.c b/src/openvpn/crypto_openssl.c
index 0134e55d..a20b1b32 100644
--- a/src/openvpn/crypto_openssl.c
+++ b/src/openvpn/crypto_openssl.c
@@ -34,7 +34,7 @@
 
 #include "syshead.h"
 
-#if defined(ENABLE_CRYPTO) && defined(ENABLE_CRYPTO_OPENSSL)
+#if defined(CRYPTO_OPENSSL)
 
 #include "basic.h"
 #include "buffer.h"
@@ -969,4 +969,4 @@ hmac_ctx_final(HMAC_CTX *ctx, uint8_t *dst)
     HMAC_Final(ctx, dst, &in_hmac_len);
 }
 
-#endif /* ENABLE_CRYPTO && ENABLE_CRYPTO_OPENSSL */
+#endif /* CRYPTO_OPENSSL */
diff --git a/src/openvpn/forward-inline.h b/src/openvpn/forward-inline.h
index ab83ea40..c977120e 100644
--- a/src/openvpn/forward-inline.h
+++ b/src/openvpn/forward-inline.h
@@ -34,14 +34,12 @@
 static inline void
 check_tls(struct context *c)
 {
-#if defined(ENABLE_CRYPTO)
     void check_tls_dowork(struct context *c);
 
     if (c->c2.tls_multi)
     {
         check_tls_dowork(c);
     }
-#endif
 }
 
 /*
@@ -51,7 +49,6 @@ check_tls(struct context *c)
 static inline void
 check_tls_errors(struct context *c)
 {
-#if defined(ENABLE_CRYPTO)
     void check_tls_errors_co(struct context *c);
 
     void check_tls_errors_nco(struct context *c);
@@ -73,7 +70,6 @@ check_tls_errors(struct context *c)
             }
         }
     }
-#endif /* if defined(ENABLE_CRYPTO) */
 }
 
 /*
@@ -220,7 +216,6 @@ check_push_request(struct context *c)
 
 #endif
 
-#ifdef ENABLE_CRYPTO
 /*
  * Should we persist our anti-replay packet ID state to disk?
  */
@@ -233,7 +228,6 @@ check_packet_id_persist_flush(struct context *c)
         packet_id_persist_save(&c->c1.pid_persist);
     }
 }
-#endif
 
 /*
  * Set our wakeup to 0 seconds, so we will be rescheduled
diff --git a/src/openvpn/forward.c b/src/openvpn/forward.c
index a868a8ff..9bf9483e 100644
--- a/src/openvpn/forward.c
+++ b/src/openvpn/forward.c
@@ -87,7 +87,6 @@ show_wait_status(struct context *c)
  * traffic on the control-channel.
  *
  */
-#ifdef ENABLE_CRYPTO
 void
 check_tls_dowork(struct context *c)
 {
@@ -131,7 +130,6 @@ check_tls_errors_nco(struct context *c)
 {
     register_signal(c, c->c2.tls_exit_signal, "tls-error"); /* SOFT-SIGUSR1 -- TLS error */
 }
-#endif /* ENABLE_CRYPTO */
 
 #if P2MP
 
@@ -248,7 +246,6 @@ check_connection_established_dowork(struct context *c)
 bool
 send_control_channel_string(struct context *c, const char *str, int msglevel)
 {
-#ifdef ENABLE_CRYPTO
     if (c->c2.tls_multi)
     {
         struct gc_arena gc = gc_new();
@@ -274,7 +271,6 @@ send_control_channel_string(struct context *c, const char *str, int msglevel)
         gc_free(&gc);
         return stat;
     }
-#endif /* ENABLE_CRYPTO */
     return true;
 }
 
@@ -485,7 +481,6 @@ encrypt_sign(struct context *c, bool comp_frag)
 #endif
     }
 
-#ifdef ENABLE_CRYPTO
     /* initialize work buffer with FRAME_HEADROOM bytes of prepend capacity */
     ASSERT(buf_init(&b->encrypt_buf, FRAME_HEADROOM(&c->c2.frame)));
 
@@ -518,7 +513,6 @@ encrypt_sign(struct context *c, bool comp_frag)
         }
         tls_post_encrypt(c->c2.tls_multi, &c->c2.buf);
     }
-#endif /* ifdef ENABLE_CRYPTO */
 
     /*
      * Get the address we will be sending the packet to.
@@ -536,11 +530,9 @@ encrypt_sign(struct context *c, bool comp_frag)
 static void
 process_coarse_timers(struct context *c)
 {
-#ifdef ENABLE_CRYPTO
     /* flush current packet-id to file once per 60
      * seconds if --replay-persist was specified */
     check_packet_id_persist_flush(c);
-#endif
 
     /* should we update status file? */
     check_status_file(c);
@@ -852,7 +844,6 @@ process_incoming_link_part1(struct context *c, struct link_socket_info *lsi, boo
             link_socket_bad_incoming_addr(&c->c2.buf, lsi, &c->c2.from);
         }
 
-#ifdef ENABLE_CRYPTO
         if (c->c2.tls_multi)
         {
             /*
@@ -909,9 +900,6 @@ process_incoming_link_part1(struct context *c, struct link_socket_info *lsi, boo
             register_signal(c, SIGUSR1, "decryption-error"); /* SOFT-SIGUSR1 -- decryption error in TCP mode */
             msg(D_STREAM_ERRORS, "Fatal decryption error (process_incoming_link), restarting");
         }
-#else /* ENABLE_CRYPTO */
-        decrypt_status = true;
-#endif /* ENABLE_CRYPTO */
     }
     else
     {
@@ -1426,8 +1414,6 @@ process_outgoing_link(struct context *c)
             register_activity(c, size);
         }
 
-
-#ifdef ENABLE_CRYPTO
         /* for unreachable network and "connecting" state switch to the next host */
         if (size < 0 && ENETUNREACH == error_code && c->c2.tls_multi
             && !tls_initial_packet_received(c->c2.tls_multi) && c->options.mode == MODE_POINT_TO_POINT)
@@ -1435,7 +1421,6 @@ process_outgoing_link(struct context *c)
             msg(M_INFO, "Network unreachable, restarting");
             register_signal(c, SIGUSR1, "network-unreachable");
         }
-#endif
     }
     else
     {
diff --git a/src/openvpn/init.c b/src/openvpn/init.c
index 408daf13..bfc80ebf 100644
--- a/src/openvpn/init.c
+++ b/src/openvpn/init.c
@@ -529,13 +529,11 @@ next_connection_entry(struct context *c)
 void
 init_query_passwords(const struct context *c)
 {
-#ifdef ENABLE_CRYPTO
     /* Certificate password input */
     if (c->options.key_pass_file)
     {
         pem_password_setup(c->options.key_pass_file);
     }
-#endif
 
 #if P2MP
     /* Auth user/pass input */
@@ -704,7 +702,7 @@ init_static(void)
 {
     /* configure_path (); */
 
-#if defined(ENABLE_CRYPTO) && defined(DMALLOC)
+#if defined(DMALLOC)
     crypto_init_dmalloc();
 #endif
 
@@ -741,14 +739,12 @@ init_static(void)
 
     update_time();
 
-#ifdef ENABLE_CRYPTO
     init_ssl_lib();
 
     /* init PRNG used for IV generation */
     /* When forking, copy this to more places in the code to avoid fork
      * random-state predictability */
     prng_init(NULL, 0);
-#endif
 
 #ifdef PID_TEST
     packet_id_interactive_test();       /* test the sequence number code */
@@ -942,9 +938,7 @@ init_static(void)
 void
 uninit_static(void)
 {
-#ifdef ENABLE_CRYPTO
     free_ssl_lib();
-#endif
 
 #ifdef ENABLE_PKCS11
     pkcs11_terminate();
@@ -954,7 +948,7 @@ uninit_static(void)
     close_port_share();
 #endif
 
-#if defined(MEASURE_TLS_HANDSHAKE_STATS) && defined(ENABLE_CRYPTO)
+#if defined(MEASURE_TLS_HANDSHAKE_STATS)
     show_tls_performance_stats();
 #endif
 }
@@ -998,7 +992,6 @@ print_openssl_info(const struct options *options)
     /*
      * OpenSSL info print mode?
      */
-#ifdef ENABLE_CRYPTO
     if (options->show_ciphers || options->show_digests || options->show_engines
         || options->show_tls_ciphers || options->show_curves)
     {
@@ -1025,7 +1018,6 @@ print_openssl_info(const struct options *options)
         }
         return true;
     }
-#endif /* ifdef ENABLE_CRYPTO */
     return false;
 }
 
@@ -1035,7 +1027,6 @@ print_openssl_info(const struct options *options)
 bool
 do_genkey(const struct options *options)
 {
-#ifdef ENABLE_CRYPTO
     if (options->genkey)
     {
         int nbits_written;
@@ -1055,7 +1046,6 @@ do_genkey(const struct options *options)
             options->shared_secret_file);
         return true;
     }
-#endif
     return false;
 }
 
@@ -1071,10 +1061,8 @@ do_persist_tuntap(const struct options *options)
         notnull(options->dev, "TUN/TAP device (--dev)");
         if (options->ce.remote || options->ifconfig_local
             || options->ifconfig_remote_netmask
-#ifdef ENABLE_CRYPTO
             || options->shared_secret_file
             || options->tls_server || options->tls_client
-#endif
             )
         {
             msg(M_FATAL|M_OPTERR,
@@ -1226,12 +1214,10 @@ const char *
 format_common_name(struct context *c, struct gc_arena *gc)
 {
     struct buffer out = alloc_buf_gc(256, gc);
-#ifdef ENABLE_CRYPTO
     if (c->c2.tls_multi)
     {
         buf_printf(&out, "[%s] ", tls_common_name(c->c2.tls_multi, false));
     }
-#endif
     return BSTR(&out);
 }
 
@@ -1333,7 +1319,6 @@ do_init_timers(struct context *c, bool deferred)
 #endif
 
         /* initialize packet_id persistence timer */
-#ifdef ENABLE_CRYPTO
         if (c->options.packet_id_file)
         {
             event_timeout_init(&c->c2.packet_id_persist_interval, 60, now);
@@ -1342,7 +1327,6 @@ do_init_timers(struct context *c, bool deferred)
         /* initialize tmp_int optimization that limits the number of times we call
          * tls_multi_process in the main event loop */
         interval_init(&c->c2.tmp_int, TLS_MULTI_HORIZON, TLS_MULTI_REFRESH);
-#endif
     }
 }
 
@@ -1485,7 +1469,6 @@ initialization_sequence_completed(struct context *c, const unsigned int flags)
     do_uid_gid_chroot(c, true);
 
 
-#ifdef ENABLE_CRYPTO
     /*
      * In some cases (i.e. when receiving auth-token via
      * push-reply) the auth-nocache option configured on the
@@ -1497,7 +1480,6 @@ initialization_sequence_completed(struct context *c, const unsigned int flags)
     {
         delayed_auth_pass_purge();
     }
-#endif /* ENABLE_CRYPTO */
 
     /* Test if errors */
     if (flags & ISC_ERRORS)
@@ -2136,12 +2118,10 @@ pull_permission_mask(const struct context *c)
         flags |= (OPT_P_ROUTE | OPT_P_IPWIN32);
     }
 
-#ifdef ENABLE_CRYPTO
     if (c->options.ncp_enabled)
     {
         flags |= OPT_P_NCP;
     }
-#endif
 
     return flags;
 }
@@ -2230,7 +2210,6 @@ do_deferred_options(struct context *c, const unsigned int found)
         msg(D_PUSH, "OPTIONS IMPORT: environment modified");
     }
 
-#ifdef ENABLE_CRYPTO
     if (found & OPT_P_PEER_ID)
     {
         msg(D_PUSH, "OPTIONS IMPORT: peer-id set");
@@ -2271,7 +2250,7 @@ do_deferred_options(struct context *c, const unsigned int found)
             return false;
         }
     }
-#endif /* ifdef ENABLE_CRYPTO */
+
     return true;
 }
 
@@ -2423,19 +2402,15 @@ frame_finalize_options(struct context *c, const struct options *o)
 static void
 key_schedule_free(struct key_schedule *ks, bool free_ssl_ctx)
 {
-#ifdef ENABLE_CRYPTO
     free_key_ctx_bi(&ks->static_key);
     if (tls_ctx_initialised(&ks->ssl_ctx) && free_ssl_ctx)
     {
         tls_ctx_free(&ks->ssl_ctx);
         free_key_ctx_bi(&ks->tls_wrap_key);
     }
-#endif /* ENABLE_CRYPTO */
     CLEAR(*ks);
 }
 
-#ifdef ENABLE_CRYPTO
-
 static void
 init_crypto_pre(struct context *c, const unsigned int flags)
 {
@@ -2791,7 +2766,7 @@ do_init_crypto_tls(struct context *c, const unsigned int flags)
     to.comp_options = options->comp;
 #endif
 
-#if defined(ENABLE_CRYPTO_OPENSSL) && OPENSSL_VERSION_NUMBER >= 0x10001000
+#if defined(CRYPTO_OPENSSL) && OPENSSL_VERSION_NUMBER >= 0x10001000
     if (options->keying_material_exporter_label)
     {
         to.ekm_size = options->keying_material_exporter_length;
@@ -2880,12 +2855,10 @@ do_init_crypto_none(const struct context *c)
         "protected against man-in-the-middle changes. "
         "PLEASE DO RECONSIDER THIS CONFIGURATION!");
 }
-#endif /* ifdef ENABLE_CRYPTO */
 
 static void
 do_init_crypto(struct context *c, const unsigned int flags)
 {
-#ifdef ENABLE_CRYPTO
     if (c->options.shared_secret_file)
     {
         do_init_crypto_static(c, flags);
@@ -2898,11 +2871,6 @@ do_init_crypto(struct context *c, const unsigned int flags)
     {
         do_init_crypto_none(c);
     }
-#else /* ENABLE_CRYPTO */
-    msg(M_WARN,
-        "******* WARNING *******: " PACKAGE_NAME
-        " built without crypto library -- encryption and authentication features disabled -- all data will be tunnelled as cleartext");
-#endif /* ENABLE_CRYPTO */
 }
 
 static void
@@ -3101,7 +3069,6 @@ do_option_warnings(struct context *c)
 #endif /* if P2MP_SERVER */
 #endif /* if P2MP */
 
-#ifdef ENABLE_CRYPTO
     if (!o->replay)
     {
         msg(M_WARN, "WARNING: You have disabled Replay Protection (--no-replay) which may make " PACKAGE_NAME " less secure");
@@ -3123,7 +3090,6 @@ do_option_warnings(struct context *c)
     {
         msg(M_WARN, "WARNING: --ns-cert-type is DEPRECATED.  Use --remote-cert-tls instead.");
     }
-#endif /* ifdef ENABLE_CRYPTO */
 
     /* If a script is used, print appropiate warnings */
     if (o->user_script_used)
@@ -3146,9 +3112,7 @@ do_option_warnings(struct context *c)
 static void
 do_init_frame_tls(struct context *c)
 {
-#ifdef ENABLE_CRYPTO
     do_init_finalize_tls_frame(c);
-#endif
 }
 
 struct context_buffers *
@@ -3163,10 +3127,8 @@ init_context_buffers(const struct frame *frame)
 
     b->aux_buf = alloc_buf(BUF_SIZE(frame));
 
-#ifdef ENABLE_CRYPTO
     b->encrypt_buf = alloc_buf(BUF_SIZE(frame));
     b->decrypt_buf = alloc_buf(BUF_SIZE(frame));
-#endif
 
 #ifdef USE_COMP
     b->compress_buf = alloc_buf(BUF_SIZE(frame));
@@ -3190,10 +3152,8 @@ free_context_buffers(struct context_buffers *b)
         free_buf(&b->decompress_buf);
 #endif
 
-#ifdef ENABLE_CRYPTO
         free_buf(&b->encrypt_buf);
         free_buf(&b->decrypt_buf);
-#endif
 
         free(b);
     }
@@ -3329,14 +3289,12 @@ do_compute_occ_strings(struct context *c)
         options_string_version(c->c2.options_string_remote, &gc),
         c->c2.options_string_remote);
 
-#ifdef ENABLE_CRYPTO
     if (c->c2.tls_multi)
     {
         tls_multi_init_set_options(c->c2.tls_multi,
                                    c->c2.options_string_local,
                                    c->c2.options_string_remote);
     }
-#endif
 
     gc_free(&gc);
 }
@@ -3410,7 +3368,6 @@ do_close_free_buf(struct context *c)
 static void
 do_close_tls(struct context *c)
 {
-#ifdef ENABLE_CRYPTO
     if (c->c2.tls_multi)
     {
         tls_multi_free(c->c2.tls_multi, true);
@@ -3429,7 +3386,6 @@ do_close_tls(struct context *c)
     }
     c->c2.options_string_local = c->c2.options_string_remote = NULL;
 #endif
-#endif
 }
 
 /*
@@ -3494,14 +3450,12 @@ do_close_link_socket(struct context *c)
 static void
 do_close_packet_id(struct context *c)
 {
-#ifdef ENABLE_CRYPTO
     packet_id_free(&c->c2.crypto_options.packet_id);
     packet_id_persist_save(&c->c1.pid_persist);
     if (!(c->sig->signal_received == SIGUSR1))
     {
         packet_id_persist_close(&c->c1.pid_persist);
     }
-#endif
 }
 
 #ifdef ENABLE_FRAGMENT
@@ -3680,7 +3634,6 @@ do_setup_fast_io(struct context *c)
 static void
 do_signal_on_tls_errors(struct context *c)
 {
-#ifdef ENABLE_CRYPTO
     if (c->options.tls_exit)
     {
         c->c2.tls_exit_signal = SIGTERM;
@@ -3689,7 +3642,6 @@ do_signal_on_tls_errors(struct context *c)
     {
         c->c2.tls_exit_signal = SIGUSR1;
     }
-#endif
 }
 
 #ifdef ENABLE_PLUGIN
@@ -4369,7 +4321,6 @@ inherit_context_child(struct context *dest,
     /* c1 init */
     packet_id_persist_init(&dest->c1.pid_persist);
 
-#ifdef ENABLE_CRYPTO
     dest->c1.ks.key_type = src->c1.ks.key_type;
     /* inherit SSL context */
     dest->c1.ks.ssl_ctx = src->c1.ks.ssl_ctx;
@@ -4379,7 +4330,6 @@ inherit_context_child(struct context *dest,
     dest->c1.ciphername = src->c1.ciphername;
     dest->c1.authname = src->c1.authname;
     dest->c1.keysize = src->c1.keysize;
-#endif
 
     /* options */
     dest->options = src->options;
@@ -4453,9 +4403,7 @@ inherit_context_top(struct context *dest,
     /* detach plugins */
     dest->plugins_owned = false;
 
-#ifdef ENABLE_CRYPTO
     dest->c2.tls_multi = NULL;
-#endif
 
     /* detach c1 ownership */
     dest->c1.tuntap_owned = false;
@@ -4513,8 +4461,6 @@ close_context(struct context *c, int sig, unsigned int flags)
     }
 }
 
-#ifdef ENABLE_CRYPTO
-
 /*
  * Do a loopback test
  * on the crypto subsystem.
@@ -4542,12 +4488,9 @@ test_crypto_thread(void *arg)
     return NULL;
 }
 
-#endif /* ENABLE_CRYPTO */
-
 bool
 do_test_crypto(const struct options *o)
 {
-#ifdef ENABLE_CRYPTO
     if (o->test_crypto)
     {
         struct context c;
@@ -4562,6 +4505,5 @@ do_test_crypto(const struct options *o)
         test_crypto_thread((void *) &c);
         return true;
     }
-#endif
     return false;
 }
diff --git a/src/openvpn/manage.c b/src/openvpn/manage.c
index 88121a38..55b106cd 100644
--- a/src/openvpn/manage.c
+++ b/src/openvpn/manage.c
@@ -762,10 +762,8 @@ man_query_need_str(struct management *man, const char *type, const char *action)
 static void
 man_forget_passwords(struct management *man)
 {
-#ifdef ENABLE_CRYPTO
     ssl_purge_auth(false);
     msg(M_CLIENT, "SUCCESS: Passwords were forgotten");
-#endif
 }
 
 static void
@@ -1918,12 +1916,11 @@ man_reset_client_socket(struct management *man, const bool exiting)
     }
     if (!exiting)
     {
-#ifdef ENABLE_CRYPTO
         if (man->settings.flags & MF_FORGET_DISCONNECT)
         {
             ssl_purge_auth(false);
         }
-#endif
+
         if (man->settings.flags & MF_SIGNAL)
         {
             int mysig = man_mod_signal(man, SIGUSR1);
diff --git a/src/openvpn/misc.c b/src/openvpn/misc.c
index 6d53cbfb..76b592f8 100644
--- a/src/openvpn/misc.c
+++ b/src/openvpn/misc.c
@@ -770,8 +770,6 @@ create_temp_file(const char *directory, const char *prefix, struct gc_arena *gc)
     return NULL;
 }
 
-#ifdef ENABLE_CRYPTO
-
 /*
  * Prepend a random string to hostname to prevent DNS caching.
  * For example, foo.bar.gov would be modified to <random-chars>.foo.bar.gov.
@@ -793,17 +791,6 @@ hostname_randomize(const char *hostname, struct gc_arena *gc)
 #undef n_rnd_bytes
 }
 
-#else  /* ifdef ENABLE_CRYPTO */
-
-const char *
-hostname_randomize(const char *hostname, struct gc_arena *gc)
-{
-    msg(M_WARN, "WARNING: hostname randomization disabled when crypto support is not compiled");
-    return hostname;
-}
-
-#endif /* ifdef ENABLE_CRYPTO */
-
 /*
  * Put a directory and filename together.
  */
diff --git a/src/openvpn/misc.h b/src/openvpn/misc.h
index f6c810a2..ec20ee7e 100644
--- a/src/openvpn/misc.h
+++ b/src/openvpn/misc.h
@@ -143,13 +143,8 @@ const char **make_arg_array(const char *first, const char *parms, struct gc_aren
 const char **make_extended_arg_array(char **p, struct gc_arena *gc);
 
 /* an analogue to the random() function, but use OpenSSL functions if available */
-#ifdef ENABLE_CRYPTO
 long int get_random(void);
 
-#else
-#define get_random random
-#endif
-
 /* return true if filename can be opened for read */
 bool test_file(const char *filename);
 
@@ -162,7 +157,7 @@ const char *gen_path(const char *directory, const char *filename, struct gc_aren
 /* return true if pathname is absolute */
 bool absolute_pathname(const char *pathname);
 
-/* prepend a random prefix to hostname (need ENABLE_CRYPTO) */
+/* prepend a random prefix to hostname */
 const char *hostname_randomize(const char *hostname, struct gc_arena *gc);
 
 /*
diff --git a/src/openvpn/openvpn.h b/src/openvpn/openvpn.h
index 9262e68b..fb8ff1a4 100644
--- a/src/openvpn/openvpn.h
+++ b/src/openvpn/openvpn.h
@@ -54,7 +54,6 @@
 
 struct key_schedule
 {
-#ifdef ENABLE_CRYPTO
     /* which cipher, HMAC digest, and key sizes are we using? */
     struct key_type key_type;
 
@@ -67,9 +66,6 @@ struct key_schedule
     /* optional TLS control channel wrapping */
     struct key_type tls_auth_key_type;
     struct key_ctx_bi tls_wrap_key;
-#else                           /* ENABLE_CRYPTO */
-    int dummy;
-#endif                          /* ENABLE_CRYPTO */
 };
 
 /*
@@ -96,10 +92,8 @@ struct context_buffers
     struct buffer aux_buf;
 
     /* workspace buffers used by crypto routines */
-#ifdef ENABLE_CRYPTO
     struct buffer encrypt_buf;
     struct buffer decrypt_buf;
-#endif
 
     /* workspace buffers for compression */
 #ifdef USE_COMP
@@ -334,8 +328,6 @@ struct context_2
     int occ_mtu_load_n_tries;
 #endif
 
-#ifdef ENABLE_CRYPTO
-
     /*
      * TLS-mode crypto objects.
      */
@@ -367,8 +359,6 @@ struct context_2
 
     struct event_timeout packet_id_persist_interval;
 
-#endif /* ENABLE_CRYPTO */
-
 #ifdef USE_COMP
     struct compress_context *comp_context;
     /**< Compression context used by the
@@ -566,7 +556,6 @@ struct context
  * have been compiled in.
  */
 
-#ifdef ENABLE_CRYPTO
 #define TLS_MODE(c) ((c)->c2.tls_multi != NULL)
 #define PROTO_DUMP_FLAGS (check_debug_level(D_LINK_RW_VERBOSE) ? (PD_SHOW_DATA|PD_VERBOSE) : 0)
 #define PROTO_DUMP(buf, gc) protocol_dump((buf), \
@@ -574,22 +563,9 @@ struct context
                                           |(c->c2.tls_multi ? PD_TLS : 0)   \
                                           |(c->options.tls_auth_file ? c->c1.ks.key_type.hmac_length : 0), \
                                           gc)
-#else  /* ifdef ENABLE_CRYPTO */
-#define TLS_MODE(c) (false)
-#define PROTO_DUMP(buf, gc) format_hex(BPTR(buf), BLEN(buf), 80, gc)
-#endif
-
-#ifdef ENABLE_CRYPTO
 #define MD5SUM(buf, len, gc) md5sum((buf), (len), 0, (gc))
-#else
-#define MD5SUM(buf, len, gc) "[unavailable]"
-#endif
 
-#ifdef ENABLE_CRYPTO
 #define CIPHER_ENABLED(c) (c->c1.ks.key_type.cipher != NULL)
-#else
-#define CIPHER_ENABLED(c) (false)
-#endif
 
 /* this represents "disabled peer-id" */
 #define MAX_PEER_ID 0xFFFFFF
diff --git a/src/openvpn/options.c b/src/openvpn/options.c
index 8e5cdf7f..49afb4e4 100644
--- a/src/openvpn/options.c
+++ b/src/openvpn/options.c
@@ -67,15 +67,13 @@ const char title_string[] =
     " [git:" CONFIGURE_GIT_REVISION CONFIGURE_GIT_FLAGS "]"
 #endif
     " " TARGET_ALIAS
-#ifdef ENABLE_CRYPTO
-#if defined(ENABLE_CRYPTO_MBEDTLS)
+#if defined(CRYPTO_MBEDTLS)
     " [SSL (mbed TLS)]"
-#elif defined(ENABLE_CRYPTO_OPENSSL)
+#elif defined(CRYPTO_OPENSSL)
     " [SSL (OpenSSL)]"
 #else
     " [SSL]"
-#endif /* defined(ENABLE_CRYPTO_MBEDTLS) */
-#endif /* ENABLE_CRYPTO */
+#endif /* defined(CRYPTO_MBEDTLS) */
 #ifdef USE_COMP
 #ifdef ENABLE_LZO
     " [LZO]"
@@ -518,7 +516,6 @@ static const char usage_message[] =
     "--explicit-exit-notify [n] : On exit/restart, send exit signal to\n"
     "                  server/remote. n = # of retries, default=1.\n"
 #endif
-#ifdef ENABLE_CRYPTO
     "\n"
     "Data Channel Encryption Options (must be compatible between peers):\n"
     "(These options are meaningful for both Static Key & TLS-mode)\n"
@@ -543,7 +540,7 @@ static const char usage_message[] =
     "--keysize n     : (DEPRECATED) Size of cipher key in bits (optional).\n"
     "                  If unspecified, defaults to cipher-specific default.\n"
 #endif
-#ifndef ENABLE_CRYPTO_MBEDTLS
+#ifndef CRYPTO_MBEDTLS
     "--engine [name] : Enable OpenSSL hardware crypto engine functionality.\n"
 #endif
     "--no-replay     : (DEPRECATED) Disable replay protection.\n"
@@ -568,10 +565,10 @@ static const char usage_message[] =
     "                  number, such as 1 (default), 2, etc.\n"
     "--ca file       : Certificate authority file in .pem format containing\n"
     "                  root certificate.\n"
-#ifndef ENABLE_CRYPTO_MBEDTLS
+#ifndef CRYPTO_MBEDTLS
     "--capath dir    : A directory of trusted certificates (CAs"
     " and CRLs).\n"
-#endif /* ENABLE_CRYPTO_MBEDTLS */
+#endif /* CRYPTO_MBEDTLS */
     "--dh file       : File containing Diffie Hellman parameters\n"
     "                  in .pem format (for --tls-server only).\n"
     "                  Use \"openssl dhparam -out dh1024.pem 1024\" to generate.\n"
@@ -583,7 +580,7 @@ static const char usage_message[] =
     "    will accept from the peer.  If version is unrecognized and 'or-highest'\n"
     "    is specified, require max TLS version supported by SSL implementation.\n"
     "--tls-version-max <version> : sets the maximum TLS version we will use.\n"
-#ifndef ENABLE_CRYPTO_MBEDTLS
+#ifndef CRYPTO_MBEDTLS
     "--pkcs12 file   : PKCS#12 file containing local private key, local certificate\n"
     "                  and optionally the root CA certificate.\n"
 #endif
@@ -644,7 +641,7 @@ static const char usage_message[] =
     "                  an explicit nsCertType designation t = 'client' | 'server'.\n"
     "--x509-track x  : Save peer X509 attribute x in environment for use by\n"
     "                  plugins and management interface.\n"
-#if defined(ENABLE_CRYPTO_OPENSSL) && OPENSSL_VERSION_NUMBER >= 0x10001000
+#if defined(CRYPTO_OPENSSL) && OPENSSL_VERSION_NUMBER >= 0x10001000
     "--keying-material-exporter label len : Save Exported Keying Material (RFC5705)\n"
     "                  of len bytes (min. 16 bytes) using label in environment for use by plugins.\n"
 #endif
@@ -748,7 +745,6 @@ static const char usage_message[] =
     "--genkey        : Generate a random key to be used as a shared secret,\n"
     "                  for use with the --secret option.\n"
     "--secret file   : Write key to file.\n"
-#endif                          /* ENABLE_CRYPTO */
 #ifdef ENABLE_FEATURE_TUN_PERSIST
     "\n"
     "Tun/tap config mode (available with linux 2.4+):\n"
@@ -852,7 +848,6 @@ init_options(struct options *o, const bool init_gc)
 #if P2MP
     o->scheduled_exit_interval = 5;
 #endif
-#ifdef ENABLE_CRYPTO
     o->ciphername = "BF-CBC";
 #ifdef HAVE_AEAD_CIPHER_MODES /* IV_NCP=2 requires GCM support */
     o->ncp_enabled = true;
@@ -882,7 +877,6 @@ init_options(struct options *o, const bool init_gc)
 #ifdef ENABLE_X509ALTUSERNAME
     o->x509_username_field = X509_USERNAME_FIELD_DEFAULT;
 #endif
-#endif /* ENABLE_CRYPTO */
 #ifdef ENABLE_PKCS11
     o->pkcs11_pin_cache_period = -1;
 #endif                  /* ENABLE_PKCS11 */
@@ -1146,7 +1140,6 @@ string_substitute(const char *src, int from, int to, struct gc_arena *gc)
     return ret;
 }
 
-#ifdef ENABLE_CRYPTO
 static uint8_t *
 parse_hash_fingerprint(const char *str, int nbytes, int msglevel, struct gc_arena *gc)
 {
@@ -1188,7 +1181,6 @@ parse_hash_fingerprint(const char *str, int nbytes, int msglevel, struct gc_aren
     }
     return ret;
 }
-#endif /* ifdef ENABLE_CRYPTO */
 
 #ifdef _WIN32
 
@@ -1560,14 +1552,12 @@ show_settings(const struct options *o)
     SHOW_INT(persist_mode);
 #endif
 
-#ifdef ENABLE_CRYPTO
     SHOW_BOOL(show_ciphers);
     SHOW_BOOL(show_digests);
     SHOW_BOOL(show_engines);
     SHOW_BOOL(genkey);
     SHOW_STR(key_pass_file);
     SHOW_BOOL(show_tls_ciphers);
-#endif
 
     SHOW_INT(connect_retry_max);
     show_connection_entries(o);
@@ -1702,7 +1692,6 @@ show_settings(const struct options *o)
     }
 #endif
 
-#ifdef ENABLE_CRYPTO
     SHOW_STR(shared_secret_file);
     SHOW_INT(key_direction);
     SHOW_STR(ciphername);
@@ -1712,9 +1701,9 @@ show_settings(const struct options *o)
     SHOW_STR(prng_hash);
     SHOW_INT(prng_nonce_secret_len);
     SHOW_INT(keysize);
-#ifndef ENABLE_CRYPTO_MBEDTLS
+#ifndef CRYPTO_MBEDTLS
     SHOW_BOOL(engine);
-#endif /* ENABLE_CRYPTO_MBEDTLS */
+#endif /* CRYPTO_MBEDTLS */
     SHOW_BOOL(replay);
     SHOW_BOOL(mute_replay_warnings);
     SHOW_INT(replay_window);
@@ -1749,7 +1738,7 @@ show_settings(const struct options *o)
     else
 #endif
     SHOW_STR(priv_key_file);
-#ifndef ENABLE_CRYPTO_MBEDTLS
+#ifndef CRYPTO_MBEDTLS
     SHOW_STR(pkcs12_file);
 #endif
 #ifdef ENABLE_CRYPTOAPI
@@ -1790,7 +1779,6 @@ show_settings(const struct options *o)
 
     SHOW_STR(tls_auth_file);
     SHOW_STR(tls_crypt_file);
-#endif /* ENABLE_CRYPTO */
 
 #ifdef ENABLE_PKCS11
     {
@@ -2024,14 +2012,14 @@ options_postprocess_verify_ce(const struct options *options, const struct connec
 
     init_options(&defaults, true);
 
-#ifdef ENABLE_CRYPTO
     if (options->test_crypto)
     {
         notnull(options->shared_secret_file, "key file (--secret)");
     }
     else
-#endif
-    notnull(options->dev, "TUN/TAP device (--dev)");
+    {
+        notnull(options->dev, "TUN/TAP device (--dev)");
+    }
 
     /*
      * Get tun/tap/null device type
@@ -2072,10 +2060,7 @@ options_postprocess_verify_ce(const struct options *options, const struct connec
     }
 
     if (options->inetd == INETD_NOWAIT
-#ifdef ENABLE_CRYPTO
-        && !(options->tls_server || options->tls_client)
-#endif
-        )
+        && !(options->tls_server || options->tls_client))
     {
         msg(M_USAGE, "--inetd nowait can only be used in TLS mode");
     }
@@ -2485,8 +2470,6 @@ options_postprocess_verify_ce(const struct options *options, const struct connec
     }
 #endif /* P2MP_SERVER */
 
-#ifdef ENABLE_CRYPTO
-
     if (options->ncp_enabled && !tls_check_ncp_cipher_list(options->ncp_ciphers))
     {
         msg(M_USAGE, "NCP cipher list contains unsupported ciphers.");
@@ -2628,7 +2611,7 @@ options_postprocess_verify_ce(const struct options *options, const struct connec
 #endif /* ifdef ENABLE_CRYPTOAPI */
         if (options->pkcs12_file)
         {
-#ifdef ENABLE_CRYPTO_MBEDTLS
+#ifdef CRYPTO_MBEDTLS
             msg(M_USAGE, "Parameter --pkcs12 cannot be used with the mbed TLS version version of OpenVPN.");
 #else
             if (options->ca_path)
@@ -2653,11 +2636,11 @@ options_postprocess_verify_ce(const struct options *options, const struct connec
                 msg(M_USAGE, "Parameter --management-external-cert cannot be used when --pkcs12 is also specified.");
             }
 #endif
-#endif /* ifdef ENABLE_CRYPTO_MBEDTLS */
+#endif /* ifdef CRYPTO_MBEDTLS */
         }
         else
         {
-#ifdef ENABLE_CRYPTO_MBEDTLS
+#ifdef CRYPTO_MBEDTLS
             if (!(options->ca_file))
             {
                 msg(M_USAGE, "You must define CA file (--ca)");
@@ -2666,7 +2649,7 @@ options_postprocess_verify_ce(const struct options *options, const struct connec
             {
                 msg(M_USAGE, "Parameter --capath cannot be used with the mbed TLS version version of OpenVPN.");
             }
-#else  /* ifdef ENABLE_CRYPTO_MBEDTLS */
+#else  /* ifdef CRYPTO_MBEDTLS */
             if ((!(options->ca_file)) && (!(options->ca_path)))
             {
                 msg(M_USAGE, "You must define CA file (--ca) or CA path (--capath)");
@@ -2732,7 +2715,7 @@ options_postprocess_verify_ce(const struct options *options, const struct connec
         MUST_BE_UNDEF(dh_file);
         MUST_BE_UNDEF(cert_file);
         MUST_BE_UNDEF(priv_key_file);
-#ifndef ENABLE_CRYPTO_MBEDTLS
+#ifndef CRYPTO_MBEDTLS
         MUST_BE_UNDEF(pkcs12_file);
 #endif
         MUST_BE_UNDEF(cipher_list);
@@ -2771,7 +2754,6 @@ options_postprocess_verify_ce(const struct options *options, const struct connec
         }
     }
 #undef MUST_BE_UNDEF
-#endif /* ENABLE_CRYPTO */
 
 #if P2MP
     if (options->auth_user_pass_file && !options->pull)
@@ -3009,7 +2991,6 @@ options_postprocess_mutate(struct options *o)
         options_postprocess_mutate_ce(o, o->connection_list->array[i]);
     }
 
-#ifdef ENABLE_CRYPTO
     if (o->tls_server)
     {
         /* Check that DH file is specified, or explicitly disabled */
@@ -3035,7 +3016,6 @@ options_postprocess_mutate(struct options *o)
              "in P2MP client or server mode" );
         o->ncp_enabled = false;
     }
-#endif
 
 #if ENABLE_MANAGEMENT
     if (o->http_proxy_override)
@@ -3267,7 +3247,6 @@ options_postprocess_filechecks(struct options *options)
 {
     bool errs = false;
 
-#ifdef ENABLE_CRYPTO
     /* ** SSL/TLS/crypto related files ** */
     errs |= check_file_access(CHKACC_FILE|CHKACC_INLINE, options->dh_file, R_OK, "--dh");
     errs |= check_file_access(CHKACC_FILE|CHKACC_INLINE, options->ca_file, R_OK, "--ca");
@@ -3308,7 +3287,6 @@ options_postprocess_filechecks(struct options *options)
     /* ** Password files ** */
     errs |= check_file_access(CHKACC_FILE|CHKACC_ACPTSTDIN|CHKACC_PRIVATE,
                               options->key_pass_file, R_OK, "--askpass");
-#endif /* ENABLE_CRYPTO */
 #ifdef ENABLE_MANAGEMENT
     errs |= check_file_access(CHKACC_FILE|CHKACC_ACPTSTDIN|CHKACC_PRIVATE,
                               options->management_user_pass, R_OK,
@@ -3331,10 +3309,8 @@ options_postprocess_filechecks(struct options *options)
                               R_OK|W_OK, "--status");
 
     /* ** Config related ** */
-#ifdef ENABLE_CRYPTO
     errs |= check_file_access_chroot(options->chroot_dir, CHKACC_FILE, options->tls_export_cert,
                                      R_OK|W_OK|X_OK, "--tls-export-cert");
-#endif /* ENABLE_CRYPTO */
 #if P2MP_SERVER
     errs |= check_file_access_chroot(options->chroot_dir, CHKACC_FILE, options->client_config_dir,
                                      R_OK|X_OK, "--client-config-dir");
@@ -3462,7 +3438,7 @@ static size_t
 calc_options_string_link_mtu(const struct options *o, const struct frame *frame)
 {
     size_t link_mtu = EXPANDED_SIZE(frame);
-#ifdef ENABLE_CRYPTO
+
     if (o->pull || o->mode == MODE_SERVER)
     {
         struct frame fake_frame = *frame;
@@ -3478,7 +3454,6 @@ calc_options_string_link_mtu(const struct options *o, const struct frame *frame)
             EXPANDED_SIZE(&fake_frame));
         link_mtu = EXPANDED_SIZE(&fake_frame);
     }
-#endif
     return link_mtu;
 }
 
@@ -3606,8 +3581,6 @@ options_string(const struct options *o,
     }
 #endif
 
-#ifdef ENABLE_CRYPTO
-
 #define TLS_CLIENT (o->tls_client)
 #define TLS_SERVER (o->tls_server)
 
@@ -3705,8 +3678,6 @@ options_string(const struct options *o,
 #undef TLS_CLIENT
 #undef TLS_SERVER
 
-#endif /* ENABLE_CRYPTO */
-
     return BSTR(&out);
 }
 
@@ -4084,7 +4055,6 @@ usage(void)
     struct options o;
     init_options(&o, true);
 
-#ifdef ENABLE_CRYPTO
     fprintf(fp, usage_message,
             title_string,
             o.ce.connect_retry_seconds,
@@ -4096,15 +4066,6 @@ usage(void)
             o.replay_window, o.replay_time,
             o.tls_timeout, o.renegotiate_seconds,
             o.handshake_window, o.transition_window);
-#else  /* ifdef ENABLE_CRYPTO */
-    fprintf(fp, usage_message,
-            title_string,
-            o.ce.connect_retry_seconds,
-            o.ce.connect_retry_seconds_max,
-            o.ce.local_port, o.ce.remote_port,
-            TUN_MTU_DEFAULT, TAP_MTU_EXTRA_DEFAULT,
-            o.verbosity);
-#endif
     fflush(fp);
 
 #endif /* ENABLE_SMALL */
@@ -4132,11 +4093,7 @@ show_windows_version(const unsigned int flags)
 void
 show_library_versions(const unsigned int flags)
 {
-#ifdef ENABLE_CRYPTO
 #define SSL_LIB_VER_STR get_ssl_library_version()
-#else
-#define SSL_LIB_VER_STR ""
-#endif
 #ifdef ENABLE_LZO
 #define LZO_LIB_VER_STR ", LZO ", lzo_version_string()
 #else
@@ -7441,7 +7398,6 @@ add_option(struct options *options,
         }
     }
 #endif /* USE_COMP */
-#ifdef ENABLE_CRYPTO
     else if (streq(p[0], "show-ciphers") && !p[1])
     {
         VERIFY_PERMISSION(OPT_P_GENERAL);
@@ -7610,7 +7566,7 @@ add_option(struct options *options,
         VERIFY_PERMISSION(OPT_P_GENERAL);
         options->test_crypto = true;
     }
-#ifndef ENABLE_CRYPTO_MBEDTLS
+#ifndef CRYPTO_MBEDTLS
     else if (streq(p[0], "engine") && !p[2])
     {
         VERIFY_PERMISSION(OPT_P_GENERAL);
@@ -7623,7 +7579,7 @@ add_option(struct options *options,
             options->engine = "auto";
         }
     }
-#endif /* ENABLE_CRYPTO_MBEDTLS */
+#endif /* CRYPTO_MBEDTLS */
 #ifdef HAVE_EVP_CIPHER_CTX_SET_KEY_LENGTH
     else if (streq(p[0], "keysize") && p[1] && !p[2])
     {
@@ -7680,13 +7636,13 @@ add_option(struct options *options,
             options->ca_file_inline = p[2];
         }
     }
-#ifndef ENABLE_CRYPTO_MBEDTLS
+#ifndef CRYPTO_MBEDTLS
     else if (streq(p[0], "capath") && p[1] && !p[2])
     {
         VERIFY_PERMISSION(OPT_P_GENERAL);
         options->ca_path = p[1];
     }
-#endif /* ENABLE_CRYPTO_MBEDTLS */
+#endif /* CRYPTO_MBEDTLS */
     else if (streq(p[0], "dh") && p[1] && ((streq(p[1], INLINE_FILE_TAG) && p[2]) || !p[2]) && !p[3])
     {
         VERIFY_PERMISSION(OPT_P_GENERAL);
@@ -7778,7 +7734,7 @@ add_option(struct options *options,
             ~(SSLF_TLS_VERSION_MAX_MASK << SSLF_TLS_VERSION_MAX_SHIFT);
         options->ssl_flags |= (ver << SSLF_TLS_VERSION_MAX_SHIFT);
     }
-#ifndef ENABLE_CRYPTO_MBEDTLS
+#ifndef CRYPTO_MBEDTLS
     else if (streq(p[0], "pkcs12") && p[1] && ((streq(p[1], INLINE_FILE_TAG) && p[2]) || !p[2]) && !p[3])
     {
         VERIFY_PERMISSION(OPT_P_GENERAL);
@@ -7788,7 +7744,7 @@ add_option(struct options *options,
             options->pkcs12_file_inline = p[2];
         }
     }
-#endif /* ENABLE_CRYPTO_MBEDTLS */
+#endif /* CRYPTO_MBEDTLS */
     else if (streq(p[0], "askpass") && !p[2])
     {
         VERIFY_PERMISSION(OPT_P_GENERAL);
@@ -7869,7 +7825,7 @@ add_option(struct options *options,
                         string_substitute(p[1], ',', ' ', &options->gc),
                         "tls-verify", true);
     }
-#ifndef ENABLE_CRYPTO_MBEDTLS
+#ifndef CRYPTO_MBEDTLS
     else if (streq(p[0], "tls-export-cert") && p[1] && !p[2])
     {
         VERIFY_PERMISSION(OPT_P_GENERAL);
@@ -8124,7 +8080,6 @@ add_option(struct options *options,
         options->x509_username_field = p[1];
     }
 #endif /* ENABLE_X509ALTUSERNAME */
-#endif /* ENABLE_CRYPTO */
 #ifdef ENABLE_PKCS11
     else if (streq(p[0], "show-pkcs11-ids") && !p[3])
     {
@@ -8240,7 +8195,7 @@ add_option(struct options *options,
         options->use_peer_id = true;
         options->peer_id = atoi(p[1]);
     }
-#if defined(ENABLE_CRYPTO_OPENSSL) && OPENSSL_VERSION_NUMBER >= 0x10001000
+#if defined(CRYPTO_OPENSSL) && OPENSSL_VERSION_NUMBER >= 0x10001000
     else if (streq(p[0], "keying-material-exporter") && p[1] && p[2])
     {
         int ekm_length = positive_atoi(p[2]);
@@ -8262,7 +8217,7 @@ add_option(struct options *options,
         options->keying_material_exporter_label = p[1];
         options->keying_material_exporter_length = ekm_length;
     }
-#endif /* if defined(ENABLE_CRYPTO_OPENSSL) && OPENSSL_VERSION_NUMBER >= 0x10001000 */
+#endif /* if defined(CRYPTO_OPENSSL) && OPENSSL_VERSION_NUMBER >= 0x10001000 */
     else if (streq(p[0], "allow-recursive-routing") && !p[1])
     {
         VERIFY_PERMISSION(OPT_P_GENERAL);
diff --git a/src/openvpn/options.h b/src/openvpn/options.h
index 035c6d15..d7b46219 100644
--- a/src/openvpn/options.h
+++ b/src/openvpn/options.h
@@ -41,9 +41,7 @@
 #include "comp.h"
 #include "pushlist.h"
 #include "clinat.h"
-#ifdef ENABLE_CRYPTO
 #include "crypto_backend.h"
-#endif
 
 
 /*
@@ -81,7 +79,7 @@ struct options_pre_pull
 };
 
 #endif
-#if defined(ENABLE_CRYPTO) && !defined(ENABLE_CRYPTO_OPENSSL) && !defined(ENABLE_CRYPTO_MBEDTLS)
+#if !defined(CRYPTO_OPENSSL) && !defined(CRYPTO_MBEDTLS)
 #error "At least one of OpenSSL or mbed TLS needs to be defined."
 #endif
 
@@ -188,7 +186,6 @@ struct options
     bool persist_config;
     int persist_mode;
 
-#ifdef ENABLE_CRYPTO
     const char *key_pass_file;
     bool show_ciphers;
     bool show_digests;
@@ -196,7 +193,6 @@ struct options
     bool show_tls_ciphers;
     bool show_curves;
     bool genkey;
-#endif
 
     /* Networking parms */
     int connect_retry_max;
@@ -468,7 +464,6 @@ struct options
 #endif
 #endif /* if P2MP */
 
-#ifdef ENABLE_CRYPTO
     /* Cipher parms */
     const char *shared_secret_file;
     const char *shared_secret_file_inline;
@@ -580,8 +575,6 @@ struct options
 
     bool tls_exit;
 
-#endif /* ENABLE_CRYPTO */
-
     const struct x509_track *x509_track;
 
     /* special state parms */
@@ -599,7 +592,7 @@ struct options
     bool use_peer_id;
     uint32_t peer_id;
 
-#if defined(ENABLE_CRYPTO_OPENSSL) && OPENSSL_VERSION_NUMBER >= 0x10001000
+#if defined(CRYPTO_OPENSSL) && OPENSSL_VERSION_NUMBER >= 0x10001000
     /* Keying Material Exporters [RFC 5705] */
     const char *keying_material_exporter_label;
     int keying_material_exporter_length;
diff --git a/src/openvpn/packet_id.c b/src/openvpn/packet_id.c
index 4e0e9868..4c3696de 100644
--- a/src/openvpn/packet_id.c
+++ b/src/openvpn/packet_id.c
@@ -38,8 +38,6 @@
 
 #include "syshead.h"
 
-#ifdef ENABLE_CRYPTO
-
 #include "packet_id.h"
 #include "misc.h"
 #include "integer.h"
@@ -695,5 +693,3 @@ packet_id_interactive_test(void)
     packet_id_free(&pid);
 }
 #endif /* ifdef PID_TEST */
-
-#endif /* ENABLE_CRYPTO */
diff --git a/src/openvpn/packet_id.h b/src/openvpn/packet_id.h
index 8509e590..cde76483 100644
--- a/src/openvpn/packet_id.h
+++ b/src/openvpn/packet_id.h
@@ -27,8 +27,6 @@
  * attempts to replay them back later.
  */
 
-#ifdef ENABLE_CRYPTO
-
 #ifndef PACKET_ID_H
 #define PACKET_ID_H
 
@@ -342,4 +340,3 @@ packet_id_reap_test(struct packet_id_rec *p)
 }
 
 #endif /* PACKET_ID_H */
-#endif /* ENABLE_CRYPTO */
diff --git a/src/openvpn/pkcs11_mbedtls.c b/src/openvpn/pkcs11_mbedtls.c
index 45372e48..0d3bbe33 100644
--- a/src/openvpn/pkcs11_mbedtls.c
+++ b/src/openvpn/pkcs11_mbedtls.c
@@ -34,7 +34,7 @@
 
 #include "syshead.h"
 
-#if defined(ENABLE_PKCS11) && defined(ENABLE_CRYPTO_MBEDTLS)
+#if defined(ENABLE_PKCS11) && defined(CRYPTO_MBEDTLS)
 
 #include "errlevel.h"
 #include "pkcs11_backend.h"
@@ -129,4 +129,4 @@ cleanup:
 
     return ret;
 }
-#endif /* defined(ENABLE_PKCS11) && defined(ENABLE_CRYPTO_MBEDTLS) */
+#endif /* defined(ENABLE_PKCS11) && defined(CRYPTO_MBEDTLS) */
diff --git a/src/openvpn/pkcs11_openssl.c b/src/openvpn/pkcs11_openssl.c
index c37425b6..bb8c76da 100644
--- a/src/openvpn/pkcs11_openssl.c
+++ b/src/openvpn/pkcs11_openssl.c
@@ -34,7 +34,7 @@
 
 #include "syshead.h"
 
-#if defined(ENABLE_PKCS11) && defined(ENABLE_CRYPTO_OPENSSL)
+#if defined(ENABLE_PKCS11) && defined(CRYPTO_OPENSSL)
 
 #include "errlevel.h"
 #include "pkcs11_backend.h"
diff --git a/src/openvpn/plugin.c b/src/openvpn/plugin.c
index 557b6bc7..7387f8be 100644
--- a/src/openvpn/plugin.c
+++ b/src/openvpn/plugin.c
@@ -517,11 +517,9 @@ plugin_call_item(const struct plugin *p,
                  const int type,
                  const struct argv *av,
                  struct openvpn_plugin_string_list **retlist,
-                 const char **envp
-#ifdef ENABLE_CRYPTO
-                 , int certdepth,
+                 const char **envp,
+                 int certdepth,
                  openvpn_x509_cert_t *current_cert
-#endif
                  )
 {
     int status = OPENVPN_PLUGIN_FUNC_SUCCESS;
@@ -550,13 +548,8 @@ plugin_call_item(const struct plugin *p,
                                                         (const char **const) envp,
                                                         p->plugin_handle,
                                                         per_client_context,
-#ifdef ENABLE_CRYPTO
                                                         (current_cert ? certdepth : -1),
                                                         current_cert
-#else
-                                                        -1,
-                                                        NULL
-#endif
             };
 
             struct openvpn_plugin_args_func_return retargs;
@@ -786,11 +779,9 @@ plugin_call_ssl(const struct plugin_list *pl,
                 const int type,
                 const struct argv *av,
                 struct plugin_return *pr,
-                struct env_set *es
-#ifdef ENABLE_CRYPTO
-                , int certdepth,
+                struct env_set *es,
+                int certdepth,
                 openvpn_x509_cert_t *current_cert
-#endif
                 )
 {
     if (pr)
@@ -818,11 +809,9 @@ plugin_call_ssl(const struct plugin_list *pl,
                                                 type,
                                                 av,
                                                 pr ? &pr->list[i] : NULL,
-                                                envp
-#ifdef ENABLE_CRYPTO
-                                                ,certdepth,
+                                                envp,
+                                                certdepth,
                                                 current_cert
-#endif
                                                 );
             switch (status)
             {
diff --git a/src/openvpn/plugin.h b/src/openvpn/plugin.h
index 0cffee0f..4393daee 100644
--- a/src/openvpn/plugin.h
+++ b/src/openvpn/plugin.h
@@ -28,10 +28,10 @@
 #ifndef OPENVPN_PLUGIN_H
 #define OPENVPN_PLUGIN_H
 
-#ifdef ENABLE_CRYPTO_OPENSSL
+#ifdef CRYPTO_OPENSSL
 #include "ssl_verify_openssl.h"
 #endif
-#ifdef ENABLE_CRYPTO_MBEDTLS
+#ifdef CRYPTO_MBEDTLS
 #include "ssl_verify_mbedtls.h"
 #endif
 #include "openvpn-plugin.h"
@@ -127,11 +127,9 @@ int plugin_call_ssl(const struct plugin_list *pl,
                     const int type,
                     const struct argv *av,
                     struct plugin_return *pr,
-                    struct env_set *es
-#ifdef ENABLE_CRYPTO
-                    , int current_cert_depth,
+                    struct env_set *es,
+                    int current_cert_depth,
                     openvpn_x509_cert_t *current_cert
-#endif
                     );
 
 void plugin_list_close(struct plugin_list *pl);
@@ -189,11 +187,9 @@ plugin_call_ssl(const struct plugin_list *pl,
                 const int type,
                 const struct argv *av,
                 struct plugin_return *pr,
-                struct env_set *es
-#ifdef ENABLE_CRYPTO
-                , int current_cert_depth,
+                struct env_set *es,
+                int current_cert_depth,
                 openvpn_x509_cert_t *current_cert
-#endif
                 )
 {
     return 0;
@@ -208,11 +204,7 @@ plugin_call(const struct plugin_list *pl,
             struct plugin_return *pr,
             struct env_set *es)
 {
-    return plugin_call_ssl(pl, type, av, pr, es
-#ifdef ENABLE_CRYPTO
-                           , -1, NULL
-#endif
-                           );
+    return plugin_call_ssl(pl, type, av, pr, es, -1, NULL);
 }
 
 #endif /* OPENVPN_PLUGIN_H */
diff --git a/src/openvpn/reliable.c b/src/openvpn/reliable.c
index bfd8c247..972af618 100644
--- a/src/openvpn/reliable.c
+++ b/src/openvpn/reliable.c
@@ -34,8 +34,6 @@
 
 #include "syshead.h"
 
-#ifdef ENABLE_CRYPTO
-
 #include "buffer.h"
 #include "error.h"
 #include "common.h"
@@ -802,10 +800,3 @@ reliable_debug_print(const struct reliable *rel, char *desc)
 }
 
 #endif /* if 0 */
-
-#else  /* ifdef ENABLE_CRYPTO */
-static void
-dummy(void)
-{
-}
-#endif /* ENABLE_CRYPTO */
diff --git a/src/openvpn/reliable.h b/src/openvpn/reliable.h
index aa34b022..0585d8b7 100644
--- a/src/openvpn/reliable.h
+++ b/src/openvpn/reliable.h
@@ -28,8 +28,6 @@
  */
 
 
-#ifdef ENABLE_CRYPTO
-
 #ifndef RELIABLE_H
 #define RELIABLE_H
 
@@ -476,4 +474,3 @@ void reliable_ack_debug_print(const struct reliable_ack *ack, char *desc);
 
 
 #endif /* RELIABLE_H */
-#endif /* ENABLE_CRYPTO */
diff --git a/src/openvpn/session_id.c b/src/openvpn/session_id.c
index dce42e7f..bc3c42af 100644
--- a/src/openvpn/session_id.c
+++ b/src/openvpn/session_id.c
@@ -38,8 +38,6 @@
 
 #include "syshead.h"
 
-#ifdef ENABLE_CRYPTO
-
 #include "error.h"
 #include "common.h"
 #include "crypto.h"
@@ -60,10 +58,3 @@ session_id_print(const struct session_id *sid, struct gc_arena *gc)
 {
     return format_hex(sid->id, SID_SIZE, 0, gc);
 }
-
-#else  /* ifdef ENABLE_CRYPTO */
-static void
-dummy(void)
-{
-}
-#endif /* ENABLE_CRYPTO */
diff --git a/src/openvpn/session_id.h b/src/openvpn/session_id.h
index 6611a3cb..df9167c3 100644
--- a/src/openvpn/session_id.h
+++ b/src/openvpn/session_id.h
@@ -29,8 +29,6 @@
  * negotiated).
  */
 
-#ifdef ENABLE_CRYPTO
-
 #ifndef SESSION_ID_H
 #define SESSION_ID_H
 
@@ -82,4 +80,3 @@ void session_id_random(struct session_id *sid);
 const char *session_id_print(const struct session_id *sid, struct gc_arena *gc);
 
 #endif /* SESSION_ID_H */
-#endif /* ENABLE_CRYPTO */
diff --git a/src/openvpn/ssl.c b/src/openvpn/ssl.c
index 843bc393..d9439062 100644
--- a/src/openvpn/ssl.c
+++ b/src/openvpn/ssl.c
@@ -43,8 +43,6 @@
 #include "syshead.h"
 #include "win32.h"
 
-#if defined(ENABLE_CRYPTO)
-
 #include "error.h"
 #include "common.h"
 #include "socket.h"
@@ -235,7 +233,7 @@ static const tls_cipher_name_pair tls_cipher_name_translation_table[] = {
     {"SRP-RSA-3DES-EDE-CBC-SHA", "TLS-SRP-SHA-RSA-WITH-3DES-EDE-CBC-SHA"},
     {"SRP-RSA-AES-128-CBC-SHA", "TLS-SRP-SHA-RSA-WITH-AES-128-CBC-SHA"},
     {"SRP-RSA-AES-256-CBC-SHA", "TLS-SRP-SHA-RSA-WITH-AES-256-CBC-SHA"},
-#ifdef ENABLE_CRYPTO_OPENSSL
+#ifdef CRYPTO_OPENSSL
     /* OpenSSL-specific group names */
     {"DEFAULT", "DEFAULT"},
     {"ALL", "ALL"},
@@ -716,7 +714,7 @@ init_ssl(const struct options *options, struct tls_root_ctx *new_ctx)
         tls_ctx_load_ecdh_params(new_ctx, options->ecdh_curve);
     }
 
-#ifdef ENABLE_CRYPTO_MBEDTLS
+#ifdef CRYPTO_MBEDTLS
     /* Personalise the random by mixing in the certificate */
     tls_ctx_personalise_random(new_ctx);
 #endif
@@ -4245,10 +4243,3 @@ delayed_auth_pass_purge(void)
     auth_user_pass.wait_for_push = false;
     purge_user_pass(&auth_user_pass, false);
 }
-
-#else  /* if defined(ENABLE_CRYPTO) */
-static void
-dummy(void)
-{
-}
-#endif /* ENABLE_CRYPTO */
diff --git a/src/openvpn/ssl.h b/src/openvpn/ssl.h
index 0e0f68fa..dd1ab0fd 100644
--- a/src/openvpn/ssl.h
+++ b/src/openvpn/ssl.h
@@ -29,8 +29,6 @@
 #ifndef OPENVPN_SSL_H
 #define OPENVPN_SSL_H
 
-#if defined(ENABLE_CRYPTO)
-
 #include "basic.h"
 #include "common.h"
 #include "crypto.h"
@@ -600,6 +598,4 @@ bool is_hard_reset(int op, int key_method);
 
 void delayed_auth_pass_purge(void);
 
-#endif /* ENABLE_CRYPTO */
-
 #endif /* ifndef OPENVPN_SSL_H */
diff --git a/src/openvpn/ssl_backend.h b/src/openvpn/ssl_backend.h
index f588110c..8e274b7b 100644
--- a/src/openvpn/ssl_backend.h
+++ b/src/openvpn/ssl_backend.h
@@ -32,12 +32,12 @@
 
 #include "buffer.h"
 
-#ifdef ENABLE_CRYPTO_OPENSSL
+#ifdef CRYPTO_OPENSSL
 #include "ssl_openssl.h"
 #include "ssl_verify_openssl.h"
 #define SSLAPI SSLAPI_OPENSSL
 #endif
-#ifdef ENABLE_CRYPTO_MBEDTLS
+#ifdef CRYPTO_MBEDTLS
 #include "ssl_mbedtls.h"
 #include "ssl_verify_mbedtls.h"
 #define SSLAPI SSLAPI_MBEDTLS
@@ -124,8 +124,6 @@ int tls_version_parse(const char *vstr, const char *extra);
  */
 int tls_version_max(void);
 
-#ifdef ENABLE_CRYPTO
-
 /**
  * Initialise a library-specific TLS context for a server.
  *
@@ -322,7 +320,7 @@ void tls_ctx_load_extra_certs(struct tls_root_ctx *ctx, const char *extra_certs_
                               const char *extra_certs_file_inline
                               );
 
-#ifdef ENABLE_CRYPTO_MBEDTLS
+#ifdef CRYPTO_MBEDTLS
 /**
  * Add a personalisation string to the mbed TLS RNG, based on the certificate
  * loaded into the given context.
@@ -539,5 +537,4 @@ void get_highest_preference_tls_cipher(char *buf, int size);
  */
 const char *get_ssl_library_version(void);
 
-#endif /* ENABLE_CRYPTO */
 #endif /* SSL_BACKEND_H_ */
diff --git a/src/openvpn/ssl_mbedtls.c b/src/openvpn/ssl_mbedtls.c
index 09829ebb..47ed6a62 100644
--- a/src/openvpn/ssl_mbedtls.c
+++ b/src/openvpn/ssl_mbedtls.c
@@ -35,7 +35,7 @@
 
 #include "syshead.h"
 
-#if defined(ENABLE_CRYPTO) && defined(ENABLE_CRYPTO_MBEDTLS)
+#if defined(CRYPTO_MBEDTLS)
 
 #include "errlevel.h"
 #include "ssl_backend.h"
@@ -1395,4 +1395,4 @@ get_ssl_library_version(void)
     return mbedtls_version;
 }
 
-#endif /* defined(ENABLE_CRYPTO) && defined(ENABLE_CRYPTO_MBEDTLS) */
+#endif /* defined(CRYPTO_MBEDTLS) */
diff --git a/src/openvpn/ssl_openssl.c b/src/openvpn/ssl_openssl.c
index b782946e..d3f77acb 100644
--- a/src/openvpn/ssl_openssl.c
+++ b/src/openvpn/ssl_openssl.c
@@ -34,7 +34,7 @@
 
 #include "syshead.h"
 
-#if defined(ENABLE_CRYPTO) && defined(ENABLE_CRYPTO_OPENSSL)
+#if defined(CRYPTO_OPENSSL)
 
 #include "errlevel.h"
 #include "buffer.h"
@@ -1617,13 +1617,13 @@ key_state_write_plaintext(struct key_state_ssl *ks_ssl, struct buffer *buf)
     int ret = 0;
     perf_push(PERF_BIO_WRITE_PLAINTEXT);
 
-#ifdef ENABLE_CRYPTO_OPENSSL
+#ifdef CRYPTO_OPENSSL
     ASSERT(NULL != ks_ssl);
 
     ret = bio_write(ks_ssl->ssl_bio, BPTR(buf), BLEN(buf),
                     "tls_write_plaintext");
     bio_write_post(ret, buf);
-#endif /* ENABLE_CRYPTO_OPENSSL */
+#endif /* CRYPTO_OPENSSL */
 
     perf_pop();
     return ret;
@@ -1874,4 +1874,4 @@ get_ssl_library_version(void)
     return SSLeay_version(SSLEAY_VERSION);
 }
 
-#endif /* defined(ENABLE_CRYPTO) && defined(ENABLE_CRYPTO_OPENSSL) */
+#endif /* defined(CRYPTO_OPENSSL) */
diff --git a/src/openvpn/ssl_verify.c b/src/openvpn/ssl_verify.c
index de54fb74..06a8c0ba 100644
--- a/src/openvpn/ssl_verify.c
+++ b/src/openvpn/ssl_verify.c
@@ -34,8 +34,6 @@
 
 #include "syshead.h"
 
-#ifdef ENABLE_CRYPTO
-
 #include "misc.h"
 #include "manage.h"
 #include "otime.h"
@@ -43,7 +41,7 @@
 #include "ssl_verify.h"
 #include "ssl_verify_backend.h"
 
-#ifdef ENABLE_CRYPTO_OPENSSL
+#ifdef CRYPTO_OPENSSL
 #include "ssl_verify_openssl.h"
 #endif
 
@@ -1541,5 +1539,3 @@ tls_x509_clear_env(struct env_set *es)
         item = next;
     }
 }
-
-#endif /* ENABLE_CRYPTO */
diff --git a/src/openvpn/ssl_verify.h b/src/openvpn/ssl_verify.h
index f2d0d6ca..88622932 100644
--- a/src/openvpn/ssl_verify.h
+++ b/src/openvpn/ssl_verify.h
@@ -29,17 +29,15 @@
 #ifndef SSL_VERIFY_H_
 #define SSL_VERIFY_H_
 
-#ifdef ENABLE_CRYPTO
-
 #include "syshead.h"
 #include "misc.h"
 #include "ssl_common.h"
 
 /* Include OpenSSL-specific code */
-#ifdef ENABLE_CRYPTO_OPENSSL
+#ifdef CRYPTO_OPENSSL
 #include "ssl_verify_openssl.h"
 #endif
-#ifdef ENABLE_CRYPTO_MBEDTLS
+#ifdef CRYPTO_MBEDTLS
 #include "ssl_verify_mbedtls.h"
 #endif
 
@@ -243,6 +241,4 @@ tls_client_reason(struct tls_multi *multi)
 /** Remove any X509_ env variables from env_set es */
 void tls_x509_clear_env(struct env_set *es);
 
-#endif /* ENABLE_CRYPTO */
-
 #endif /* SSL_VERIFY_H_ */
diff --git a/src/openvpn/ssl_verify_mbedtls.c b/src/openvpn/ssl_verify_mbedtls.c
index 838c2176..5b8ef214 100644
--- a/src/openvpn/ssl_verify_mbedtls.c
+++ b/src/openvpn/ssl_verify_mbedtls.c
@@ -34,7 +34,7 @@
 
 #include "syshead.h"
 
-#if defined(ENABLE_CRYPTO) && defined(ENABLE_CRYPTO_MBEDTLS)
+#if defined(CRYPTO_MBEDTLS)
 
 #include "crypto_mbedtls.h"
 #include "ssl_verify.h"
@@ -550,4 +550,4 @@ tls_verify_crl_missing(const struct tls_options *opt)
     return false;
 }
 
-#endif /* #if defined(ENABLE_CRYPTO) && defined(ENABLE_CRYPTO_MBEDTLS) */
+#endif /* #if defined(CRYPTO_MBEDTLS) */
diff --git a/src/openvpn/ssl_verify_openssl.c b/src/openvpn/ssl_verify_openssl.c
index 2f3b10b9..123f4382 100644
--- a/src/openvpn/ssl_verify_openssl.c
+++ b/src/openvpn/ssl_verify_openssl.c
@@ -34,7 +34,7 @@
 
 #include "syshead.h"
 
-#if defined(ENABLE_CRYPTO) && defined(ENABLE_CRYPTO_OPENSSL)
+#if defined(CRYPTO_OPENSSL)
 
 #include "ssl_verify_openssl.h"
 
@@ -800,4 +800,4 @@ tls_verify_crl_missing(const struct tls_options *opt)
     return true;
 }
 
-#endif /* defined(ENABLE_CRYPTO) && defined(ENABLE_CRYPTO_OPENSSL) */
+#endif /* defined(CRYPTO_OPENSSL) */
diff --git a/src/openvpn/syshead.h b/src/openvpn/syshead.h
index d9f5a34d..594ddf17 100644
--- a/src/openvpn/syshead.h
+++ b/src/openvpn/syshead.h
@@ -513,7 +513,7 @@ socket_defined(const socket_descriptor_t sd)
  * Do we have point-to-multipoint capability?
  */
 
-#if defined(ENABLE_CRYPTO) && defined(HAVE_GETTIMEOFDAY_NANOSECONDS)
+#if defined(HAVE_GETTIMEOFDAY_NANOSECONDS)
 #define P2MP 1
 #else
 #define P2MP 0
@@ -550,14 +550,14 @@ socket_defined(const socket_descriptor_t sd)
 /*
  * Enable external private key
  */
-#if defined(ENABLE_MANAGEMENT) && defined(ENABLE_CRYPTO)
+#if defined(ENABLE_MANAGEMENT)
 #define MANAGMENT_EXTERNAL_KEY
 #endif
 
 /* Enable mbed TLS RNG prediction resistance support */
-#ifdef ENABLE_CRYPTO_MBEDTLS
+#ifdef CRYPTO_MBEDTLS
 #define ENABLE_PREDICTION_RESISTANCE
-#endif /* ENABLE_CRYPTO_MBEDTLS */
+#endif /* CRYPTO_MBEDTLS */
 
 /*
  * MANAGEMENT_IN_EXTRA allows the management interface to
@@ -597,25 +597,17 @@ socket_defined(const socket_descriptor_t sd)
 /*
  * Should we include NTLM proxy functionality
  */
-#if defined(ENABLE_CRYPTO)
 #define NTLM 1
-#else
-#define NTLM 0
-#endif
 
 /*
  * Should we include proxy digest auth functionality
  */
-#if defined(ENABLE_CRYPTO)
 #define PROXY_DIGEST_AUTH 1
-#else
-#define PROXY_DIGEST_AUTH 0
-#endif
 
 /*
  * Do we have CryptoAPI capability?
  */
-#if defined(_WIN32) && defined(ENABLE_CRYPTO) && defined(ENABLE_CRYPTO_OPENSSL)
+#if defined(_WIN32) && defined(CRYPTO_OPENSSL)
 #define ENABLE_CRYPTOAPI
 #endif
 
@@ -684,9 +676,7 @@ socket_defined(const socket_descriptor_t sd)
 /*
  * Do we support pushing peer info?
  */
-#if defined(ENABLE_CRYPTO)
 #define ENABLE_PUSH_PEER_INFO
-#endif
 
 /*
  * Compression support
diff --git a/src/openvpn/tls_crypt.c b/src/openvpn/tls_crypt.c
index 403060de..d9c67c38 100644
--- a/src/openvpn/tls_crypt.c
+++ b/src/openvpn/tls_crypt.c
@@ -29,7 +29,6 @@
 
 #include "syshead.h"
 
-#ifdef ENABLE_CRYPTO
 #include "crypto.h"
 #include "session_id.h"
 
@@ -265,5 +264,3 @@ error_exit:
     gc_free(&gc);
     return false;
 }
-
-#endif /* EMABLE_CRYPTO */
diff --git a/src/openvpn/tls_crypt.h b/src/openvpn/tls_crypt.h
index 4071ac94..e8080df9 100644
--- a/src/openvpn/tls_crypt.h
+++ b/src/openvpn/tls_crypt.h
@@ -74,8 +74,6 @@
 #ifndef TLSCRYPT_H
 #define TLSCRYPT_H
 
-#ifdef ENABLE_CRYPTO
-
 #include "buffer.h"
 #include "crypto.h"
 #include "session_id.h"
@@ -142,6 +140,4 @@ bool tls_crypt_unwrap(const struct buffer *src, struct buffer *dst,
 
 /** @} */
 
-#endif /* ENABLE_CRYPTO */
-
 #endif /* TLSCRYPT_H */
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 0b32058b..53313de4 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -15,7 +15,7 @@ MAINTAINERCLEANFILES = \
 SUBDIRS = unit_tests
 
 test_scripts = t_client.sh
-#test_scripts += t_lpback.sh t_cltsrv.sh
+test_scripts += t_lpback.sh t_cltsrv.sh
 
 TESTS_ENVIRONMENT = top_srcdir="$(top_srcdir)"
 TESTS = $(test_scripts)
diff --git a/tests/unit_tests/openvpn/Makefile.am b/tests/unit_tests/openvpn/Makefile.am
index 055aa49d..23d758b7 100644
--- a/tests/unit_tests/openvpn/Makefile.am
+++ b/tests/unit_tests/openvpn/Makefile.am
@@ -6,7 +6,7 @@ if HAVE_LD_WRAP_SUPPORT
 check_PROGRAMS += argv_testdriver buffer_testdriver
 endif
 
-#check_PROGRAMS += packet_id_testdriver tls_crypt_testdriver
+check_PROGRAMS += packet_id_testdriver tls_crypt_testdriver
 
 TESTS = $(check_PROGRAMS)
 
diff --git a/tests/unit_tests/openvpn/test_tls_crypt.c b/tests/unit_tests/openvpn/test_tls_crypt.c
index 0a6a08fa..7e56f77f 100644
--- a/tests/unit_tests/openvpn/test_tls_crypt.c
+++ b/tests/unit_tests/openvpn/test_tls_crypt.c
@@ -27,8 +27,6 @@
 #include "config-msvc.h"
 #endif
 
-#ifdef ENABLE_CRYPTO
-
 #include "syshead.h"
 
 #include <stdio.h>
@@ -256,17 +254,15 @@ main(void) {
                                         setup, teardown),
     };
 
-#if defined(ENABLE_CRYPTO_OPENSSL)
+#if defined(CRYPTO_OPENSSL)
     OpenSSL_add_all_algorithms();
 #endif
 
     int ret = cmocka_run_group_tests_name("tls-crypt tests", tests, NULL, NULL);
 
-#if defined(ENABLE_CRYPTO_OPENSSL)
+#if defined(CRYPTO_OPENSSL)
     EVP_cleanup();
 #endif
 
     return ret;
 }
-
-#endif /* ENABLE_CRYPTO */
