diff --git a/gcm-internal.h b/gcm-internal.h
index 36d5f6f3dba91ec3193ac13c940f273444b0dc2a..2e28be2def769b1024901df9d968c4351d5f5daa 100644
--- a/gcm-internal.h
+++ b/gcm-internal.h
@@ -33,30 +33,20 @@
 #define NETTLE_GCM_INTERNAL_H_INCLUDED
 
 /* Functions available only in some configurations */
-#if HAVE_NATIVE_gcm_init_key
 void
 _nettle_gcm_init_key (union nettle_block16 *table);
-#endif
 
-#if HAVE_NATIVE_gcm_hash
 void
 _nettle_gcm_hash(const struct gcm_key *key, union nettle_block16 *x,
 		 size_t length, const uint8_t *data);
-#endif
 
 #if HAVE_NATIVE_fat_gcm_init_key
-void
-_nettle_gcm_init_key (union nettle_block16 *table);
-
 void
 _nettle_gcm_init_key_c (union nettle_block16 *table);
 #endif
 
 #if HAVE_NATIVE_fat_gcm_hash
 void
-_nettle_gcm_hash(const struct gcm_key *key, union nettle_block16 *x,
-		 size_t length, const uint8_t *data);
-void
 _nettle_gcm_hash_c (const struct gcm_key *key, union nettle_block16 *x,
 		    size_t length, const uint8_t *data);
 #endif