diff --git a/setup.py b/setup.py
index 5e913edcf..50de98e26 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,6 @@
     # https://github.com/googleapis/google-cloud-python/issues/10566
     "google-cloud-core >= 1.4.1, <3.0.0dev",
     "packaging >= 14.3",
-    "pytz",
     "proto-plus >= 1.10.0",
 ]
 extras = {}
diff --git a/tests/unit/v1/test_watch.py b/tests/unit/v1/test_watch.py
index 759549b72..c5b758459 100644
--- a/tests/unit/v1/test_watch.py
+++ b/tests/unit/v1/test_watch.py
@@ -566,9 +566,9 @@ def test_on_snapshot_unknown_listen_type(self):
         )
 
     def test_push_callback_called_no_changes(self):
-        import pytz
-
-        dummy_time = (datetime.datetime.fromtimestamp(1534858278, pytz.utc),)
+        dummy_time = (
+            datetime.datetime.fromtimestamp(1534858278, datetime.timezone.utc),
+        )
 
         inst = self._makeOne()
         inst.push(dummy_time, "token")