diff --git a/setup.h.in b/setup.h.in
index 41bd481b2b..97f080e55f 100644
--- a/setup.h.in
+++ b/setup.h.in
@@ -1028,8 +1028,6 @@
  *  by configure.
 */
 
-#include "wx/chkconf.h"
-
 /*
    define some constants identifying wxWindows version in more details than
    just the version number
diff --git a/setup.h_vms b/setup.h_vms
index 3e23ecc6cd..974bc0b776 100644
--- a/setup.h_vms
+++ b/setup.h_vms
@@ -1092,8 +1092,6 @@
  *  by configure.
  */
 
-#include "wx/chkconf.h"
-
 /*
     define some constants identifying wxWindows version in more details t
     just the version number