diff --git a/lkm/if_ppp/Makefile b/lkm/if_ppp/Makefile
index dfd9ebaa321..7e52fdca4ae 100644
--- a/lkm/if_ppp/Makefile
+++ b/lkm/if_ppp/Makefile
@@ -1,4 +1,4 @@
-#       $Id: Makefile,v 1.1 1995/03/20 19:25:46 wollman Exp $
+#       $Id: Makefile,v 1.2 1995/03/20 19:33:35 wollman Exp $
 
 .PATH:  ${.CURDIR}/../../sys/net
 KMOD=   if_ppp_mod
@@ -12,7 +12,7 @@ NPPP?=		2
 PROTOS?=	-DINET
 
 CFLAGS+= ${PROTOS}
-CLEANFILES+=	bpfilter.h ppp.h
+CLEANFILES+=	bpfilter.h ppp.h vnode_if.h vnode_if.c
 
 bpfilter.h:
 	echo "#define NBPFILTER ${NBPFILTER}" > bpfilter.h
diff --git a/sys/modules/if_ppp/Makefile b/sys/modules/if_ppp/Makefile
index dfd9ebaa321..7e52fdca4ae 100644
--- a/sys/modules/if_ppp/Makefile
+++ b/sys/modules/if_ppp/Makefile
@@ -1,4 +1,4 @@
-#       $Id: Makefile,v 1.1 1995/03/20 19:25:46 wollman Exp $
+#       $Id: Makefile,v 1.2 1995/03/20 19:33:35 wollman Exp $
 
 .PATH:  ${.CURDIR}/../../sys/net
 KMOD=   if_ppp_mod
@@ -12,7 +12,7 @@ NPPP?=		2
 PROTOS?=	-DINET
 
 CFLAGS+= ${PROTOS}
-CLEANFILES+=	bpfilter.h ppp.h
+CLEANFILES+=	bpfilter.h ppp.h vnode_if.h vnode_if.c
 
 bpfilter.h:
 	echo "#define NBPFILTER ${NBPFILTER}" > bpfilter.h