diff --git a/lib/strnumcmp-in.h b/lib/strnumcmp-in.h
index 19f3dceaf..195047313 100644
--- a/lib/strnumcmp-in.h
+++ b/lib/strnumcmp-in.h
@@ -19,10 +19,6 @@
 
 /* Written by Mike Haertel.  */
 
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
 #include "strnumcmp.h"
 
 #include <stddef.h>