diff --git a/3rd/lua/lauxlib.c b/3rd/lua/lauxlib.c
index 9c7b3ab5..5cb446f2 100644
--- a/3rd/lua/lauxlib.c
+++ b/3rd/lua/lauxlib.c
@@ -1234,9 +1234,6 @@ init(lua_State *L) {
 	CC.L = newState(L);
 }
 
-
-void luaL_initcodecache(void);
-
 LUALIB_API void
 luaL_initcodecache(void) {
 	SPIN_INIT(&CC);
@@ -1380,8 +1377,6 @@ cache_clear(lua_State *L) {
 	return 0;
 }
 
-int luaopen_cache(lua_State *L);
-
 LUAMOD_API int luaopen_cache(lua_State *L) {
 	luaL_Reg l[] = {
 		{ "clear", cache_clear },