diff --git a/usr.bin/calendar/Makefile b/usr.bin/calendar/Makefile
index 07f0428c93d3..b0921e90c436 100644
--- a/usr.bin/calendar/Makefile
+++ b/usr.bin/calendar/Makefile
@@ -3,7 +3,6 @@
 
 PROG=	calendar
 SRCS=   calendar.c io.c day.c ostern.c paskha.c
-NO_WERROR=	yes
 INTER=          de_DE.ISO8859-1 fr_FR.ISO8859-1 hr_HR.ISO8859-2 ru_RU.KOI8-R
 DE_LINKS=       de_DE.ISO_8859-1 de_DE.ISO8859-15 de_DE.ISO_8859-15
 FR_LINKS=       fr_FR.ISO8859-15