diff --git a/pkgs/development/python-modules/genson/default.nix b/pkgs/development/python-modules/genson/default.nix
index 40643f85e07b..c4febd74c4f3 100644
--- a/pkgs/development/python-modules/genson/default.nix
+++ b/pkgs/development/python-modules/genson/default.nix
@@ -1,6 +1,5 @@
 {
   buildPythonPackage,
-  coverage,
   fetchPypi,
   jsonschema,
   lib,