diff --git a/pkgs/development/python-modules/flit/default.nix b/pkgs/development/python-modules/flit/default.nix
index b28f4f6d5a61..58e10e22a47c 100644
--- a/pkgs/development/python-modules/flit/default.nix
+++ b/pkgs/development/python-modules/flit/default.nix
@@ -43,6 +43,11 @@ buildPythonPackage rec {
   disabledTests = [
     # needs some ini file.
     "test_invalid_classifier"
+    # calls pip directly. disabled for PEP 668
+    "test_install_data_dir"
+    "test_install_module_pep621"
+    "test_symlink_data_dir"
+    "test_symlink_module_pep621"
   ];
 
   meta = with lib; {