diff --git a/src/openvpn/ssl_mbedtls.c b/src/openvpn/ssl_mbedtls.c
index a68588e..e25fb84 100644
--- a/src/openvpn/ssl_mbedtls.c
+++ b/src/openvpn/ssl_mbedtls.c
@@ -1040,12 +1040,8 @@
 {
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
     return TLS_VER_1_2;
-#elif defined(MBEDTLS_SSL_PROTO_TLS1_1)
-    return TLS_VER_1_1;
-#elif defined(MBEDTLS_SSL_PROTO_TLS1)
-    return TLS_VER_1_0;
 #else /* defined(MBEDTLS_SSL_PROTO_TLS1_2) */
-    #error "mbedtls is compiled without support for TLS 1.0, 1.1 and 1.2."
+    #error "mbedtls is compiled without support for TLS 1.2."
 #endif /* defined(MBEDTLS_SSL_PROTO_TLS1_2) */
 }
 
@@ -1067,27 +1063,12 @@
 
     switch (tls_ver)
     {
-#if defined(MBEDTLS_SSL_PROTO_TLS1)
-        case TLS_VER_1_0:
-            *major = MBEDTLS_SSL_MAJOR_VERSION_3;
-            *minor = MBEDTLS_SSL_MINOR_VERSION_1;
-            break;
-#endif
-
-#if defined(MBEDTLS_SSL_PROTO_TLS1_1)
-        case TLS_VER_1_1:
-            *major = MBEDTLS_SSL_MAJOR_VERSION_3;
-            *minor = MBEDTLS_SSL_MINOR_VERSION_2;
-            break;
-#endif
-
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
         case TLS_VER_1_2:
             *major = MBEDTLS_SSL_MAJOR_VERSION_3;
             *minor = MBEDTLS_SSL_MINOR_VERSION_3;
             break;
 #endif
-
         default:
             msg(M_FATAL, "%s: invalid or unsupported TLS version %d", __func__, tls_ver);
             break;