diff --git a/t/test-lib.sh b/t/test-lib.sh
index 76062db296..61bda88245 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -462,36 +462,6 @@ export GIT_DEFAULT_HASH
 GIT_TRACE_BARE=1
 export GIT_TRACE_BARE
 
-check_var_migration () {
-	# the warnings and hints given from this helper depends
-	# on end-user settings, which will disrupt the self-test
-	# done on the test framework itself.
-	case "$GIT_TEST_FRAMEWORK_SELFTEST" in
-	t)	return ;;
-	esac
-
-	old_name=$1 new_name=$2
-	eval "old_isset=\${${old_name}:+isset}"
-	eval "new_isset=\${${new_name}:+isset}"
-
-	case "$old_isset,$new_isset" in
-	isset,)
-		echo >&2 "warning: $old_name is now $new_name"
-		echo >&2 "hint: set $new_name too during the transition period"
-		eval "$new_name=\$$old_name"
-		;;
-	isset,isset)
-		# do this later
-		# echo >&2 "warning: $old_name is now $new_name"
-		# echo >&2 "hint: remove $old_name"
-		;;
-	esac
-}
-
-check_var_migration GIT_FSMONITOR_TEST GIT_TEST_FSMONITOR
-check_var_migration TEST_GIT_INDEX_VERSION GIT_TEST_INDEX_VERSION
-check_var_migration GIT_FORCE_PRELOAD_TEST GIT_TEST_PRELOAD_INDEX
-
 # Use specific version of the index file format
 if test -n "${GIT_TEST_INDEX_VERSION:+isset}"
 then