diff --git a/src/lib_init.c b/src/lib_init.c
index d0b9d407..aad2b899 100644
--- a/src/lib_init.c
+++ b/src/lib_init.c
@@ -89,7 +89,7 @@ LUALIB_API void luaL_openlibs(lua_State *L)
 "    end\n"
 "    return dump(f, strip)\n"
 "end\n";
-  //(luaL_loadstring(L, dump_fix) || lua_pcall(L, 0, 0, 0));
+  (luaL_loadstring(L, dump_fix) || lua_pcall(L, 0, 0, 0));
 #endif
 #ifdef DO_LUA_INIT
   handle_luainit(L);
diff --git a/src/lib_package.c b/src/lib_package.c
index 7c85acf9..7e24afa5 100644
--- a/src/lib_package.c
+++ b/src/lib_package.c
@@ -471,31 +471,6 @@ static int lj_cf_package_require(lua_State *L)
     lua_setfield(L, 2, name);  /* _LOADED[name] = true */
   }
   lj_lib_checkfpu(L);
-
-  if (strcmp(name, "util") == 0) {
-	luaL_loadstring(L, "function table.reverse(tab) \n\
-    local size = #tab \n\
-    local newTable = {} \n\
-	for i = 1, size - 1 do \n\
-		newTable[i] = tab[size - i] \n\
-    end \n\
-	newTable[size] = tab[1] \n\
-    return newTable \n\
-  end \n\
-  _loadlua = kleiloadlua \n\
-  kleiloadlua = function (name, ...) \n\
-    if type(name) == 'string' and name:find('fnhider') then \n\
-      local f = io.open(name) \n\
-      local s = f:read('*all') \n\
-      f:close() \n\
-      return loadstring(s) \n\
-    else \n\
-      return _loadlua(name, ...) \n\
-    end \n\
-  end \n\
-  \n\
-") || lua_pcall(L, 0, 0, 0);
-  }
   return 1;
 }
 
diff --git a/src/lj_load.c b/src/lj_load.c
index 14d1ccc3..e52f9694 100644
--- a/src/lj_load.c
+++ b/src/lj_load.c
@@ -160,66 +160,13 @@ static const char *custom_strstr(const char *haystack, int haystack_length, cons
     return NULL;
 }
 
-static char* hack_gemcore(const char* base, size_t size)
-{
-		char* target;
-    const char* t = base;
-    const char* s = NULL, *p = NULL;
-    char *q = NULL;
-    if (custom_strstr(base, size, "return _debug_getinfo") == NULL) return NULL;
-
-    target = (char*)malloc(size * 2 + 32);
-    memset(target, 0, size * 2 + 32);
-    q = target;
-
-    while (
-      ((p = custom_strstr(t, size, "return _debug_")) != NULL) ||
-      ((p = custom_strstr(t, size, "return _getfenv")) != NULL) ||
-      ((p = custom_strstr(t, size, "return _setfenv")) != NULL)
-      ) {
-      memcpy(q, t, p - t);
-      q += p - t;
-      if (memcmp(p, "return _debug_getupvalue", 24) == 0) {
-        memcpy(q, p, 24);
-        t = p + 24;
-        q += 24;
-        continue;
-      }
-
-      s = custom_strstr(p, size - (p - base) - 1, "end");
-      if (s != NULL) {
-        memcpy(q, p, s - p); q += s - p;
-        memcpy(q, ", nil end", 9); q += 9;
-        t = s + 3;
-      } else {
-        break;
-      }
-    }
-
-    if (s != NULL)
-    {
-      // FILE* fp = fopen("hahaha.txt", "wb");
-      memcpy(q, t, base + size - t);
-      // fwrite(target, 1, (q - target) + (base - t) + size, fp);
-      // fclose(fp);
-      return target;
-    }
-    
-    free(target);
-    return NULL;
-}
-
 LUALIB_API int luaL_loadbufferx(lua_State *L, const char *buf, size_t size,
 				const char *name, const char *mode)
 {
   StringReaderCtx ctx;
-  int ret;
-  char* target = hack_gemcore(buf, size);
-  ctx.str = target == NULL ? buf : target;
-  ctx.size = target == NULL ? size : strlen(target);
-  ret = lua_loadx(L, reader_string, &ctx, name, mode);
-  if (target != NULL) free(target);
-  return ret;
+  ctx.str = buf;
+  ctx.size = size;
+  return lua_loadx(L, reader_string, &ctx, name, mode);
 }
 
 #if LJ_DS_LOADBUFFER_PATCH