diff --git a/pkgs/development/python-modules/onnx/default.nix b/pkgs/development/python-modules/onnx/default.nix
index 278d7c1df04..95e67c58d55 100644
--- a/pkgs/development/python-modules/onnx/default.nix
+++ b/pkgs/development/python-modules/onnx/default.nix
@@ -1,5 +1,4 @@
 { lib
-, fetchpatch
 , buildPythonPackage
 , fetchPypi
 , pythonOlder