diff --git a/testing/util.py b/testing/util.py
index f4dda0a9..15696730 100644
--- a/testing/util.py
+++ b/testing/util.py
@@ -142,8 +142,3 @@ def git_commit(*args, **kwargs):
     if msg is not None:  # allow skipping `-m` with `msg=None`
         cmd += ('-m', msg)
     return fn(*cmd, **kwargs)
-
-
-def git_ref_count(repo):
-    _, out, _ = cmd_output('git', 'rev-list', '--all', '--count', cwd=repo)
-    return int(out.split()[0])
diff --git a/tests/store_test.py b/tests/store_test.py
index c3de6891..66217588 100644
--- a/tests/store_test.py
+++ b/tests/store_test.py
@@ -16,7 +16,6 @@ from pre_commit.util import CalledProcessError
 from testing.fixtures import git_dir
 from testing.util import cwd
 from testing.util import git_commit
-from testing.util import git_ref_count
 
 
 def test_our_session_fixture_works():
@@ -83,7 +82,6 @@ def test_clone(store, tempdir_factory, log_info_mock):
     assert dirname.startswith('repo')
     # Should be checked out to the rev we specified
     assert git.head_rev(ret) == rev
-    assert git_ref_count(ret) == 1
 
     # Assert there's an entry in the sqlite db for this
     assert store.select_all_repos() == [(path, rev, ret)]