diff --git a/cfg/gtk.cfg b/cfg/gtk.cfg
index 65a3655a2..a0af9b3e8 100644
--- a/cfg/gtk.cfg
+++ b/cfg/gtk.cfg
@@ -29,10 +29,14 @@
   <define name="G_GNUC_NORETURN" value="__attribute__((__noreturn__))"/>
   <define name="G_GNUC_CONST" value="__attribute__((__const__))"/>
   <define name="G_GNUC_UNUSED" value="__attribute__((__unused__))"/>
+  <define name="G_DECLARE_FINAL_TYPE(ModuleObjName,module_obj_name,MODULE,OBJ_NAME,ParentName)" value=""/>
+  <define name="G_DECLARE_DERIVABLE_TYPE(ModuleObjName,module_obj_name,MODULE,OBJ_NAME,ParentName)" value=""/>
+  <define name="G_DECLARE_INTERFACE(ModuleObjName,module_obj_name,MODULE, OBJ_NAME,PrerequisiteName)" value=""/>
   <define name="G_STRINGIFY(macro_or_string)" value="G_STRINGIFY_ARG (macro_or_string)"/>
   <define name="G_STRINGIFY_ARG(contents)" value="#contents"/>
   <define name="G_STRLOC" value="__FILE__ &quot;:&quot; G_STRINGIFY (__LINE__)"/>
   <define name="G_STRFUNC" value="((const char*) (__FUNCTION__))"/>
+  <define name="G_DEFINE_TYPE_WITH_PRIVATE(TN, t_n, T_P)" value=""/>
   <define name="G_DEFINE_TYPE_WITH_CODE(TN, t_n, T_P, _C_)" value=""/>
   <define name="G_DEFINE_ABSTRACT_TYPE(TN, t_n, T_P)" value=""/>
   <define name="G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE(TN, t_n, T_P)" value=""/>