diff --git a/pkgs/development/python-modules/qiskit-ignis/default.nix b/pkgs/development/python-modules/qiskit-ignis/default.nix
index b5295dbd0411..2362a819ca76 100644
--- a/pkgs/development/python-modules/qiskit-ignis/default.nix
+++ b/pkgs/development/python-modules/qiskit-ignis/default.nix
@@ -2,7 +2,6 @@
 , pythonOlder
 , buildPythonPackage
 , fetchFromGitHub
-, fetchpatch
 , python
 , numpy
 , qiskit-terra