diff --git a/eto/tests/test_eto.py b/eto/tests/test_eto.py
index 1cc29f6..dc83d9c 100644
--- a/eto/tests/test_eto.py
+++ b/eto/tests/test_eto.py
@@ -30,9 +30,9 @@
 ###############################
 ### Tests
 
-tsdata = pd.read_csv(example1, parse_dates=True, infer_datetime_format=True, index_col='date', compression='zip')
+tsdata = pd.read_csv(example1, parse_dates=True, index_col='date', compression='zip')
 
-tsresults = pd.read_csv(results1, parse_dates=True, infer_datetime_format=True, index_col='date', compression='zip')
+tsresults = pd.read_csv(results1, parse_dates=True, index_col='date', compression='zip')
 
 
 def test_eto_fao_daily():