diff --git a/pkgs/by-name/pr/pre-commit/package.nix b/pkgs/by-name/pr/pre-commit/package.nix
index 3725ab86fce6..db54398eb037 100644
--- a/pkgs/by-name/pr/pre-commit/package.nix
+++ b/pkgs/by-name/pr/pre-commit/package.nix
@@ -66,7 +66,6 @@ python3Packages.buildPythonApplication (finalAttrs: {
   ]
   ++ (with python3Packages; [
     pytest-env
-    pytest-forked
     pytest-xdist
     re-assert
   ])
@@ -93,10 +92,6 @@ python3Packages.buildPythonApplication (finalAttrs: {
     patchShebangs pre_commit/resources/hook-tmpl
   '';
 
-  pytestFlags = [
-    "--forked"
-  ];
-
   preCheck = ''
     export GIT_AUTHOR_NAME=test GIT_COMMITTER_NAME=test \
            GIT_AUTHOR_EMAIL=test@example.com GIT_COMMITTER_EMAIL=test@example.com \