diff --git a/setup.cfg b/setup.cfg
index fec2ca6bbe4..be00753ffa3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [tool:pytest]
 python_files=test_*.py
-testpaths=xarray/tests properties
+testpaths=xarray/tests
 # Fixed upstream in https://github.com/kwgoodman/bottleneck/pull/199
 filterwarnings =
     ignore:Using a non-tuple sequence for multidimensional indexing is deprecated:FutureWarning