diff --git a/t/t1500-rev-parse.sh b/t/t1500-rev-parse.sh
index 85da4caa7e..186792e3a2 100755
--- a/t/t1500-rev-parse.sh
+++ b/t/t1500-rev-parse.sh
@@ -26,16 +26,23 @@ test_rev_parse() {
 	"test '$1' = \"\$(git rev-parse --show-prefix)\""
 	shift
 	[ $# -eq 0 ] && return
+
+	test_expect_success "$name: git-dir" \
+	"test '$1' = \"\$(git rev-parse --git-dir)\""
+	shift
+	[ $# -eq 0 ] && return
 }
 
-# label is-bare is-inside-git is-inside-work prefix
+# label is-bare is-inside-git is-inside-work prefix git-dir
+
+ROOT=$(pwd)
 
 test_rev_parse toplevel false false true ''
 
 cd .git || exit 1
 test_rev_parse .git/ false true false ''
 cd objects || exit 1
-test_rev_parse .git/objects/ false true false ''
+test_rev_parse .git/objects/ false true false '' "$ROOT/.git"
 cd ../.. || exit 1
 
 mkdir -p sub/dir || exit 1
diff --git a/t/t1501-worktree.sh b/t/t1501-worktree.sh
index 27dc6c55d5..f6a6f839a1 100755
--- a/t/t1501-worktree.sh
+++ b/t/t1501-worktree.sh
@@ -92,13 +92,6 @@ cd sub/dir || exit 1
 test_rev_parse 'in repo.git/sub/dir' false true true sub/dir/
 cd ../../../.. || exit 1
 
-test_expect_success 'detecting gitdir when cwd is in a subdir of gitdir' '
-	(expected=$(pwd)/repo.git &&
-	 cd repo.git/refs &&
-	 unset GIT_DIR &&
-	 test "$expected" = "$(git rev-parse --git-dir)")
-'
-
 test_expect_success 'repo finds its work tree' '
 	(cd repo.git &&
 	 : > work/sub/dir/untracked &&