diff --git a/gtk/gtkselection.h b/gtk/gtkselection.h
index a621d1efe6..55bfcad89a 100644
--- a/gtk/gtkselection.h
+++ b/gtk/gtkselection.h
@@ -66,11 +66,10 @@ struct _GtkSelectionData
   GdkDisplay   *GSEAL (display);
 };
 
-struct _GtkTargetEntry
-{
-  const gchar *target;
-  guint        flags;
-  guint        info;
+struct _GtkTargetEntry {
+  gchar *target;
+  guint  flags;
+  guint  info;
 };
 
 /* These structures not public, and are here only for the convenience of