diff --git a/pkgs/development/python-modules/ckcc-protocol/default.nix b/pkgs/development/python-modules/ckcc-protocol/default.nix
index bd9a0b2074b2..e15a062a8939 100644
--- a/pkgs/development/python-modules/ckcc-protocol/default.nix
+++ b/pkgs/development/python-modules/ckcc-protocol/default.nix
@@ -4,7 +4,6 @@
 , ecdsa
 , hidapi
 , fetchPypi
-, pytest
 , pyaes
 , pythonOlder
 }: