diff --git a/t/t5000-tar-tree.sh b/t/t5000-tar-tree.sh
index 918a2fc7c6..f0bd70dbd6 100755
--- a/t/t5000-tar-tree.sh
+++ b/t/t5000-tar-tree.sh
@@ -185,6 +185,7 @@ test_expect_success 'git archive' '
 '
 
 check_tar b
+check_mtime b a/a 1117231200
 
 test_expect_success 'git archive --mtime' '
 	git archive --mtime=2002-02-02T02:02:02-0200 HEAD >with_mtime.tar
@@ -257,14 +258,6 @@ test_expect_success 'git archive --remote with configured remote' '
 	test_cmp_bin b.tar b5-nick.tar
 '
 
-test_expect_success 'validate file modification time' '
-	mkdir extract &&
-	"$TAR" xf b.tar -C extract a/a &&
-	test-tool chmtime --get extract/a/a >b.mtime &&
-	echo "1117231200" >expected.mtime &&
-	test_cmp expected.mtime b.mtime
-'
-
 test_expect_success 'git get-tar-commit-id' '
 	git get-tar-commit-id <b.tar >actual &&
 	git rev-parse HEAD >expect &&