diff --git a/freqtrade/tests/edge/test_edge.py b/freqtrade/tests/edge/test_edge.py
index c1c1b49cd..af8674188 100644
--- a/freqtrade/tests/edge/test_edge.py
+++ b/freqtrade/tests/edge/test_edge.py
@@ -122,8 +122,8 @@ def test_edge_results(edge_conf, mocker, caplog, data) -> None:
     for c, trade in enumerate(data.trades):
         res = results.iloc[c]
         assert res.exit_type == trade.sell_reason
-        assert res.open_time == _get_frame_time_from_offset(trade.open_tick)
-        assert res.close_time == _get_frame_time_from_offset(trade.close_tick)
+        assert arrow.get(res.open_time) == _get_frame_time_from_offset(trade.open_tick)
+        assert arrow.get(res.close_time) == _get_frame_time_from_offset(trade.close_tick)
 
 
 def test_adjust(mocker, edge_conf):
diff --git a/freqtrade/tests/optimize/__init__.py b/freqtrade/tests/optimize/__init__.py
index 129a09f40..b1bf55f50 100644
--- a/freqtrade/tests/optimize/__init__.py
+++ b/freqtrade/tests/optimize/__init__.py
@@ -32,7 +32,7 @@ class BTContainer(NamedTuple):
 
 def _get_frame_time_from_offset(offset):
     return ticker_start_time.shift(minutes=(offset * TICKER_INTERVAL_MINUTES[tests_ticker_interval])
-                                   ).datetime.replace(tzinfo=None)
+                                   ).datetime
 
 
 def _build_backtest_dataframe(ticker_with_signals):