diff --git a/src/plugins/lua/weechat-lua.c b/src/plugins/lua/weechat-lua.c
index 1d9ff98d1..fc73e153c 100644
--- a/src/plugins/lua/weechat-lua.c
+++ b/src/plugins/lua/weechat-lua.c
@@ -558,7 +558,6 @@ weechat_lua_load (const char *filename, const char *code)
     luaopen_table     (lua_current_interpreter);
     luaopen_math      (lua_current_interpreter);
     luaopen_os        (lua_current_interpreter);
-    luaopen_debug     (lua_current_interpreter);
 
 #ifdef LUA_VERSION_NUM
 #if   LUA_VERSION_NUM == 501 // Lua 5.1.x