--- bin/ntp-keygen/Makefile	2013-12-28 12:19:43.000000000 +0900
+++ bin/ntp-keygen/Makefile	2020-10-12 06:38:04.248012907 +0900
@@ -20,4 +20,6 @@ CPPFLAGS+=-I${IDIST}/include -I${IDIST}/
 
 .PATH: ${DIST}
 
+CLEANFILES+=${MAN}
+
 .include <bsd.prog.mk>
--- bin/ntpd/Makefile	2018-02-02 10:02:39.000000000 +0900
+++ bin/ntpd/Makefile	2020-10-12 06:38:31.037469449 +0900
@@ -92,4 +92,6 @@ YHEADER=1
 COPTS.ntp_control.c+=  -Wno-error=maybe-uninitialized
 .endif
 
+CLEANFILES+=${MAN}
+
 .include <bsd.prog.mk>
--- bin/ntpdc/Makefile	2013-12-28 12:19:43.000000000 +0900
+++ bin/ntpdc/Makefile	2020-10-12 06:38:48.949937135 +0900
@@ -22,4 +22,6 @@ CPPFLAGS+=-I${IDIST}/include -I${IDIST}/
 
 .PATH: ${DIST}
 
+CLEANFILES+=${MAN}
+
 .include <bsd.prog.mk>
--- bin/ntpq/Makefile	2013-12-28 12:19:43.000000000 +0900
+++ bin/ntpq/Makefile	2020-10-12 06:39:10.773080407 +0900
@@ -21,4 +21,6 @@ CPPFLAGS+=-I${IDIST}/include -I${IDIST}/
 
 .PATH: ${DIST}
 
+CLEANFILES+=${MAN}
+
 .include <bsd.prog.mk>
--- bin/sntp/Makefile.orig	2013-12-28 12:19:43.000000000 +0900
+++ bin/sntp/Makefile.orig	2020-10-12 06:39:52.776054741 +0900
@@ -31,4 +31,6 @@ CPPFLAGS+= -DSAVENAME=\"/var/db/sntp.sta
 LDADD+= -L${LIBISC} -liscntp -levent -lm
 DPADD+=	${LIBM} ${LIBEVENT}
 
+CLEANFILES+=${MAN}
+
 .include <bsd.prog.mk>
--- bin/sntp/Makefile	2020-10-12 06:51:23.977786706 +0900
+++ bin/sntp/Makefile	2020-10-12 06:42:41.984776339 +0900
@@ -33,4 +33,6 @@ CPPFLAGS+= -DSAVENAME=\"/var/db/sntp.sta
 LDADD+= -L${LIBISC} -liscntp -levent -lm
 DPADD+=	${LIBM} ${LIBEVENT}
 
+CLEANFILES+=${MAN}
+
 .include <bsd.prog.mk>
--- Makefile.inc	2020-10-12 06:51:23.977902822 +0900
+++ Makefile.inc	2020-10-12 06:40:34.535532219 +0900
@@ -91,7 +91,4 @@ COPTS.refclock_ulink.c+=	-Wno-error=impl
 .1sntpmdoc.1:
 	${TOOL_SED} -e 's/1sntpmdoc/1/g' < ${.IMPSRC} > ${.TARGET}
 
-
-CLEANFILES+=${MAN}
-
 .endif