diff --git a/default.nix b/default.nix
index f5a1f4859ac9c152372409bcf1218fa57c507f1d..f7a9eeb4dd6b8ec9c2a67b05080c7e204774aa88 100644
--- a/default.nix
+++ b/default.nix
@@ -59,7 +59,7 @@ let
         batsim
         batexpe
         pytest 
-        pytest-html # for html export of test results
+        # pytest-html # for html export of test results
         pandas
       ];
     };
@@ -70,7 +70,7 @@ let
         batsim
         batexpe
         pytest 
-        pytest-html
+        # pytest-html
         pandas
       ];
     };
diff --git a/pytest.ini b/pytest.ini.old
similarity index 100%
rename from pytest.ini
rename to pytest.ini.old