diff --git a/moto/awslambda/responses.py b/moto/awslambda/responses.py
index 6f4f76c0f..486f413fe 100644
--- a/moto/awslambda/responses.py
+++ b/moto/awslambda/responses.py
@@ -32,7 +32,7 @@ class LambdaResponse(BaseResponse):
         lambda_backend = self.get_lambda_backend(full_url)
         return 200, headers, json.dumps({
             "Functions": [fn.get_configuration() for fn in lambda_backend.list_functions()],
-            "NextMarker": str(uuid.uuid4()),
+            # "NextMarker": str(uuid.uuid4()),
         })
 
     def _create_function(self, request, full_url, headers):