diff --git a/gnu/usr.bin/man/Makefile.inc b/gnu/usr.bin/man/Makefile.inc
index 26f194d2f50d..5793e15384b8 100644
--- a/gnu/usr.bin/man/Makefile.inc
+++ b/gnu/usr.bin/man/Makefile.inc
@@ -9,7 +9,7 @@ pager=			more -s
 manpath_config_file=	/etc/manpath.config
 troff=			/usr/bin/groff -S -man
 # -Tascii or localized encoding added automatically
-nroff=			/usr/bin/groff -P-c -S -Wall -mtty-char -man
+nroff=			/usr/bin/groff -S -Wall -mtty-char -man
 apropos=		/usr/bin/apropos
 whatis=			/usr/bin/whatis
 eqn=                    /usr/bin/eqn
diff --git a/share/mk/bsd.man.mk b/share/mk/bsd.man.mk
index 584f2ff303b6..9cac378e61e8 100644
--- a/share/mk/bsd.man.mk
+++ b/share/mk/bsd.man.mk
@@ -57,7 +57,7 @@ MINSTALL?=	${INSTALL} -o ${MANOWN} -g ${MANGRP} -m ${MANMODE}
 
 CATDIR=		${MANDIR:H:S/$/\/cat/}
 CATEXT=		.cat
-MROFF_CMD?=	groff -P-c -Tascii -mtty-char -man -t
+MROFF_CMD?=	groff -Tascii -mtty-char -man -t
 
 MCOMPRESS_CMD?=	${COMPRESS_CMD}
 MCOMPRESS_EXT?=	${COMPRESS_EXT}
diff --git a/usr.bin/catman/catman.c b/usr.bin/catman/catman.c
index 486204dec0e6..ff536663840e 100644
--- a/usr.bin/catman/catman.c
+++ b/usr.bin/catman/catman.c
@@ -446,7 +446,7 @@ process_page(char *mandir, char *src, char *cat, int src_gzipped)
 	}
 	snprintf(tmp_file, sizeof tmp_file, "%s.tmp", cat);
 	snprintf(cmd, sizeof cmd,
-	    "%scat %s | tbl | nroff -c -T%s -man | col | gzip -cn > %s.tmp",
+	    "%scat %s | tbl | nroff -T%s -man | col | gzip -cn > %s.tmp",
 	    src_gzipped ? "z" : "", src, nroff_device, cat);
 	if (system(cmd) != 0)
 		err(1, "formatting pipeline");