diff --git a/usr.sbin/ppp/route.c b/usr.sbin/ppp/route.c
index 946a43ede4ac..255d0f26d895 100644
--- a/usr.sbin/ppp/route.c
+++ b/usr.sbin/ppp/route.c
@@ -32,9 +32,6 @@
 #include <netinet/in_systm.h>
 #include <netinet/ip.h>
 #include <sys/un.h>
-#ifndef NOINET6
-#include <netinet6/in6.h>
-#endif
 #include <netdb.h>
 
 #include <errno.h>