diff --git a/gtk/gtkimcontext.h b/gtk/gtkimcontext.h
index 21452f2cce..25c218b545 100644
--- a/gtk/gtkimcontext.h
+++ b/gtk/gtkimcontext.h
@@ -50,10 +50,7 @@ struct _GtkIMContext
 struct _GtkIMContextClass
 {
   /*< private >*/
-  /* Yes, this should be GObjectClass, be we can't fix it without breaking
-   * binary compatibility - see bug #90935
-   */
-  GtkObjectClass parent_class;
+  GObjectClass parent_class;
 
   /*< public >*/
   /* Signals */