diff --git a/src/components/shared/WorkflowDefinitionModal.tsx b/src/components/shared/WorkflowDefinitionModal.tsx
index 5eaf509..464b6d5 100644
--- a/src/components/shared/WorkflowDefinitionModal.tsx
+++ b/src/components/shared/WorkflowDefinitionModal.tsx
@@ -359,7 +359,7 @@ export const WorkflowDefinitionModal = ({
             step_type: s.step_type,
             assignee_type: s.assignee.type,
             assignee_role_ids: s.assignee.role_ids ?? undefined,
-            assignee_user_ids: s.assignee.user_ids ?? s.assignee.ids ?? undefined,
+            assignee_user_ids: s.assignee.user_ids ?? undefined,
             available_actions: s.available_actions || [],
             requires_signature: s.requires_signature || false,
             requires_comment: s.requires_comment || false,
diff --git a/src/types/workflow.ts b/src/types/workflow.ts
index 47d7f98..c843bda 100644
--- a/src/types/workflow.ts
+++ b/src/types/workflow.ts
@@ -7,10 +7,7 @@ export interface WorkflowStep {
   step_type: 'initial' | 'task' | 'approval' | 'terminal';
   assignee: {
     type: 'role' | 'user' | 'originator';
-    id?: string | null;
-    ids?: string[] | null;
     user_ids?: string[] | null;
-    role?: string[] | string | null;
     role_ids?: string[] | null;
   };
   available_actions: string[];