diff --git a/pkgs/development/python-modules/ibm-cloud-sdk-core/default.nix b/pkgs/development/python-modules/ibm-cloud-sdk-core/default.nix
index 9acf56259bc8..81ce3ddee218 100644
--- a/pkgs/development/python-modules/ibm-cloud-sdk-core/default.nix
+++ b/pkgs/development/python-modules/ibm-cloud-sdk-core/default.nix
@@ -7,7 +7,6 @@
   python-dateutil,
   pythonAtLeast,
   pythonOlder,
-  pythonRelaxDepsHook,
   requests,
   responses,
   setuptools,
@@ -29,8 +28,6 @@ buildPythonPackage rec {
 
   build-system = [ setuptools ];
 
-  nativeBuildInputs = [ pythonRelaxDepsHook ];
-
   dependencies = [
     pyjwt
     python-dateutil