diff --git a/pkgs/applications/misc/topydo/default.nix b/pkgs/applications/misc/topydo/default.nix
index e7ca1a935bbb..7667b4103d48 100644
--- a/pkgs/applications/misc/topydo/default.nix
+++ b/pkgs/applications/misc/topydo/default.nix
@@ -1,4 +1,4 @@
-{ lib, python3Packages, fetchFromGitHub, glibcLocales, unittestCheckHook }:
+{ lib, python3Packages, fetchFromGitHub, glibcLocales }:
 
 with python3Packages;