diff --git a/libs/tk/ydk/quartz/GdkQuartzView.c b/libs/tk/ydk/quartz/GdkQuartzView.c
index ec70e8843d..392ab2a856 100644
--- a/libs/tk/ydk/quartz/GdkQuartzView.c
+++ b/libs/tk/ydk/quartz/GdkQuartzView.c
@@ -884,9 +884,6 @@ static int showInvalidation = 0;
   r.width = bounds.size.width;
   r.height = bounds.size.height;
 
-  if (impl->needs_display_region)
-    gdk_region_destroy (impl->needs_display_region);
-
   impl->needs_display_region = gdk_region_rectangle (&r);
 
 #if 0