diff --git a/GL/glx/indirect_dispatch_swap.c b/GL/glx/indirect_dispatch_swap.c
index db651543c..c0bb71cc4 100644
--- a/GL/glx/indirect_dispatch_swap.c
+++ b/GL/glx/indirect_dispatch_swap.c
@@ -25,10 +25,6 @@
  * SOFTWARE.
  */
 
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
 #include <X11/Xmd.h>
 #include <GL/gl.h>
 #include <GL/glxproto.h>