diff --git a/etc/mail/Makefile b/etc/mail/Makefile
index fed02d38187..12db10562e4 100644
--- a/etc/mail/Makefile
+++ b/etc/mail/Makefile
@@ -39,8 +39,6 @@
 # uucpdomain, virtusertable
 #
 
-SENDMAIL_M4_FLAGS+=	-D_FFR_TLS_O_T
-
 .ifndef SENDMAIL_MC
 SENDMAIL_MC!=           hostname
 SENDMAIL_MC:=           ${SENDMAIL_MC}.mc
diff --git a/etc/sendmail/Makefile b/etc/sendmail/Makefile
index 228b4da540b..144507668ab 100644
--- a/etc/sendmail/Makefile
+++ b/etc/sendmail/Makefile
@@ -10,8 +10,6 @@ SENDMAIL_DIR=	${.CURDIR}/../../contrib/sendmail
 SMDIR=		${SENDMAIL_DIR}/src
 CFDIR=		${SENDMAIL_DIR}/cf
 
-SENDMAIL_M4_FLAGS+=	-D_FFR_TLS_O_T
-
 # this is overkill, but....
 M4FILES!=	find ${CFDIR} -type f -name '*.m4' -print