diff --git a/telegram/ext/jobqueue.py b/telegram/ext/jobqueue.py
index ff9c53e9b..e3cfacfd9 100644
--- a/telegram/ext/jobqueue.py
+++ b/telegram/ext/jobqueue.py
@@ -77,7 +77,7 @@ class JobQueue(object):
                 raise ValueError('next_t is None')
 
         if isinstance(next_t, datetime.datetime):
-            next_t = (next_t - datetime.datetime.now(next_t.tzinfo)).total_seconds()
+            next_t = (next_t - datetime.datetime.now()).total_seconds()
 
         elif isinstance(next_t, datetime.time):
             next_datetime = datetime.datetime.combine(datetime.date.today(), next_t)
diff --git a/tests/test_jobqueue.py b/tests/test_jobqueue.py
index ca23c2ce4..f0c7ac405 100644
--- a/tests/test_jobqueue.py
+++ b/tests/test_jobqueue.py
@@ -198,24 +198,6 @@ class TestJobQueue(object):
         sleep(0.06)
         assert pytest.approx(self.job_time) == expected_time
 
-    def test_datetime_with_timezone_job_run_once(self, job_queue):
-        # Test that run_once jobs work with timezone aware datetimes.
-        offset = datetime.timedelta(hours=-3)
-        when = datetime.datetime.now(datetime.timezone(offset))
-
-        job_queue.run_once(self.job_run_once, when)
-        sleep(0.01)
-        assert self.result == 1
-
-    def test_datetime_with_timezone_job_run_repeating(self, job_queue):
-        # Test that run_repeating jobs work with timezone aware datetimes.
-        offset = datetime.timedelta(hours=5)
-        now_with_offset = datetime.datetime.now(datetime.timezone(offset))
-
-        job_queue.run_repeating(self.job_run_once, interval=0.01, first=now_with_offset)
-        sleep(0.015)
-        assert self.result == 2
-
     def test_time_unit_dt_time_today(self, job_queue):
         # Testing running at a specific time today
         delta = 0.05