diff --git a/gdk/gdkinternals.h b/gdk/gdkinternals.h
index 93e42bc115..bc6a6a2782 100644
--- a/gdk/gdkinternals.h
+++ b/gdk/gdkinternals.h
@@ -118,19 +118,11 @@ typedef enum
 
 typedef struct _GdkSurfacePaint GdkSurfacePaint;
 
-typedef enum
-{
-  GDK_INPUT_OUTPUT,
-  GDK_INPUT_ONLY
-} GdkSurfaceSurfaceClass;
-
-
 struct _GdkSurfaceAttr
 {
   gint x, y;
   gint width;
   gint height;
-  GdkSurfaceSurfaceClass wclass;
   GdkSurfaceType surface_type;
 };
 
diff --git a/gdk/gdksurface.c b/gdk/gdksurface.c
index 4e9aaa8f29..7937cdd639 100644
--- a/gdk/gdksurface.c
+++ b/gdk/gdksurface.c
@@ -483,7 +483,6 @@ gdk_surface_new (GdkDisplay     *display,
   gdk_surface_set_frame_clock (surface, frame_clock);
   g_object_unref (frame_clock);
 
-  attributes.wclass = input_only ? GDK_INPUT_ONLY : GDK_INPUT_OUTPUT;
   attributes.surface_type = surface_type;
   attributes.x = x;
   attributes.y = y;