diff --git a/tools/build/mk/OptionalObsoleteFiles.inc b/tools/build/mk/OptionalObsoleteFiles.inc
index db8251c..ece6af9 100644
--- a/tools/build/mk/OptionalObsoleteFiles.inc
+++ b/tools/build/mk/OptionalObsoleteFiles.inc
@@ -2232,6 +2232,9 @@ OLD_FILES+=usr/share/sendmail/cf/siteconfig/uucp.ucbvax.m4
 .if ${MK_TCSH} == no
 OLD_FILES+=bin/csh
 OLD_FILES+=bin/tcsh
+OLD_FILES+=etc/csh.cshrc
+OLD_FILES+=etc/csh.login
+OLD_FILES+=etc/csh.logout
 OLD_FILES+=rescue/csh
 OLD_FILES+=rescue/tcsh
 OLD_FILES+=usr/share/examples/tcsh/complete.tcsh