diff --git a/pkgs/development/python-modules/pymoo/default.nix b/pkgs/development/python-modules/pymoo/default.nix
index 87d5c6ba0fd1..b49d92bd2119 100644
--- a/pkgs/development/python-modules/pymoo/default.nix
+++ b/pkgs/development/python-modules/pymoo/default.nix
@@ -63,7 +63,6 @@ buildPythonPackage rec {
         "file://${pymoo_data}/"
   '';
 
-  pythonRelaxDeps = [ "cma" ];
   pythonRemoveDeps = [ "alive-progress" ];
 
   build-system = [