diff --git a/pkgs/clan-cli/default.nix b/pkgs/clan-cli/default.nix
index 2c79f79ce..916f5b898 100644
--- a/pkgs/clan-cli/default.nix
+++ b/pkgs/clan-cli/default.nix
@@ -78,8 +78,7 @@ let
     cp -r ${src} ./src
     chmod +w -R ./src
     cd src
-    ${checkPython}/bin/python -m pytest ./tests \
-      || echo -e "generate coverage report py running:\n  pytest; firefox .reports/html/index.html"
+    ${checkPython}/bin/python -m pytest ./tests
     touch $out
   '';
 in