diff --git a/pkgs/development/python-modules/diffusers/default.nix b/pkgs/development/python-modules/diffusers/default.nix
index 3485f9e3351d..5bcda2b40d7d 100644
--- a/pkgs/development/python-modules/diffusers/default.nix
+++ b/pkgs/development/python-modules/diffusers/default.nix
@@ -30,7 +30,6 @@
 , pytest-xdist
 , pytestCheckHook
 , requests-mock
-, ruff
 , scipy
 , sentencepiece
 , torchsde
@@ -99,7 +98,6 @@ buildPythonPackage rec {
     pytest-xdist
     pytestCheckHook
     requests-mock
-    ruff
     scipy
     sentencepiece
     torchsde
@@ -141,6 +139,8 @@ buildPythonPackage rec {
     "test_deprecate_stacklevel"
     # fails due to precision of floating point numbers
     "test_model_cpu_offload_forward_pass"
+    # tries to run ruff which we have intentionally removed from nativeCheckInputs
+    "test_is_copy_consistent"
   ];
 
   meta = with lib; {