diff --git a/crypto/engine/engine.h b/crypto/engine/engine.h
index 7d3820b94..f288a3868 100644
--- a/crypto/engine/engine.h
+++ b/crypto/engine/engine.h
@@ -678,7 +678,6 @@ typedef struct st_dynamic_fns {
  * can be fully instantiated with IMPLEMENT_DYNAMIC_CHECK_FN(). */
 typedef unsigned long (*dynamic_v_check_fn)(unsigned long ossl_version);
 #define IMPLEMENT_DYNAMIC_CHECK_FN() \
-	OPENSSL_EXPORT unsigned long v_check(unsigned long v); \
 	OPENSSL_EXPORT unsigned long v_check(unsigned long v) { \
 		if(v >= OSSL_DYNAMIC_OLDEST) return OSSL_DYNAMIC_VERSION; \
 		return 0; }
@@ -701,8 +700,6 @@ typedef unsigned long (*dynamic_v_check_fn)(unsigned long ossl_version);
 typedef int (*dynamic_bind_engine)(ENGINE *e, const char *id,
 				const dynamic_fns *fns);
 #define IMPLEMENT_DYNAMIC_BIND_FN(fn) \
-	OPENSSL_EXPORT \
-	int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns);
 	OPENSSL_EXPORT \
 	int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) { \
 		if(ENGINE_get_static_state() == fns->static_state) goto skip_cbs; \