diff --git a/src/openvpn/openvpn.h b/src/openvpn/openvpn.h
index d843c913..fe8324ab 100644
--- a/src/openvpn/openvpn.h
+++ b/src/openvpn/openvpn.h
@@ -563,7 +563,6 @@ struct context
                                           |(c->c2.tls_multi ? PD_TLS : 0)   \
                                           |(c->options.tls_auth_file ? c->c1.ks.key_type.hmac_length : 0), \
                                           gc)
-#define MD5SUM(buf, len, gc) md5sum((buf), (len), 0, (gc))
 
 /* this represents "disabled peer-id" */
 #define MAX_PEER_ID 0xFFFFFF