diff --git a/lib/galaxy/model/__init__.py b/lib/galaxy/model/__init__.py
index 77480d6ffa75..38aac43223e2 100644
--- a/lib/galaxy/model/__init__.py
+++ b/lib/galaxy/model/__init__.py
@@ -7895,7 +7895,7 @@ def top_level_stored_workflow(self):
         """
         return self.top_level_workflow.stored_workflow
 
-    def copy(self, user=None):
+    def copy(self, user: User):
         """Copy a workflow for a new StoredWorkflow object.
 
         Pass user if user-specific information needed.
@@ -8206,7 +8206,7 @@ def workflow_output_for(self, output_name):
                 break
         return target_output
 
-    def copy_to(self, copied_step, step_mapping, user=None):
+    def copy_to(self, copied_step: "WorkflowStep", step_mapping: Dict[int, "WorkflowStep"], user: User):
         copied_step.order_index = self.order_index
         copied_step.type = self.type
         copied_step.tool_id = self.tool_id