diff --git a/pkgs/development/python-modules/cirq/default.nix b/pkgs/development/python-modules/cirq/default.nix
index ebc0eb51df4..16c61f2e895 100644
--- a/pkgs/development/python-modules/cirq/default.nix
+++ b/pkgs/development/python-modules/cirq/default.nix
@@ -3,7 +3,6 @@
 , buildPythonPackage
 , pythonOlder
 , fetchFromGitHub
-, fetchpatch
 , freezegun
 , google-api-core
 , matplotlib