diff --git a/sys/modules/kgssapi_krb5/Makefile b/sys/modules/kgssapi_krb5/Makefile
index e5c3e30480f..9dbb946a2f9 100644
--- a/sys/modules/kgssapi_krb5/Makefile
+++ b/sys/modules/kgssapi_krb5/Makefile
@@ -13,6 +13,7 @@ SRCS=	krb5_mech.c \
 
 SRCS+=		kgss_if.h gssd.h
 MFILES=		kgssapi/kgss_if.m
+CLEANFILES=	gssd.h
 
 S=		${.CURDIR}/../..