diff --git a/gtk/gtkspinner.h b/gtk/gtkspinner.h
index d0c7e8929f..6f9aa72809 100644
--- a/gtk/gtkspinner.h
+++ b/gtk/gtkspinner.h
@@ -22,7 +22,7 @@
  * by Christian Hergert <christian.hergert@gmail.com>
  */
 
-#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
+#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
 #error "Only <gtk/gtk.h> can be included directly."
 #endif