diff --git a/pkgs/development/python-modules/google-cloud-datastore/default.nix b/pkgs/development/python-modules/google-cloud-datastore/default.nix
index 8da81a155a30..72b9d4efb80e 100644
--- a/pkgs/development/python-modules/google-cloud-datastore/default.nix
+++ b/pkgs/development/python-modules/google-cloud-datastore/default.nix
@@ -38,12 +38,6 @@ buildPythonPackage rec {
     ];
   };
 
-  passthru.optional-dependencies = {
-    libcst = [
-      libcst
-    ];
-  };
-
   checkInputs = [
     google-cloud-testutils
     mock