diff --git a/dateutil/test/test_tz.py b/dateutil/test/test_tz.py

index 54dfb1b..e93cf65 100644

--- a/dateutil/test/test_tz.py

+++ b/dateutil/test/test_tz.py

@@ -944,12 +944,6 @@ def test_tzlocal_utc_unequal(tzvar):

 @mark_tzlocal_nix

-def test_tzlocal_local_time_trim_colon():

-    with TZEnvContext(':/etc/localtime'):

-        assert tz.gettz() is not None

-

-

-@mark_tzlocal_nix

 @pytest.mark.parametrize('tzvar, tzoff', [

     ('EST5', tz.tzoffset('EST', -18000)),

     ('GMT', tz.tzoffset('GMT', 0)),