diff --git a/cpukit/pppd/md4.c b/cpukit/pppd/md4.c
index dd5ffa1e6b..9d3b9d0a80 100644
--- a/cpukit/pppd/md4.c
+++ b/cpukit/pppd/md4.c
@@ -38,7 +38,6 @@
 */
 #include <stdio.h>
 #include "md4.h"
-#include "pppd.h"
 
 #include <inttypes.h>