diff --git a/pkgs/development/python-modules/slip10/default.nix b/pkgs/development/python-modules/slip10/default.nix
index 556919bfc9fb..dad9b34b25fe 100644
--- a/pkgs/development/python-modules/slip10/default.nix
+++ b/pkgs/development/python-modules/slip10/default.nix
@@ -5,7 +5,6 @@
   poetry-core,
   base58,
   cryptography,
-  ecdsa,
 }:
 
 buildPythonPackage rec {