diff --git a/src/components/toast/RerouteMigrationToast.vue b/src/components/toast/RerouteMigrationToast.vue
index cee726321..4264945ee 100644
--- a/src/components/toast/RerouteMigrationToast.vue
+++ b/src/components/toast/RerouteMigrationToast.vue
@@ -33,7 +33,7 @@ const toast = useToast()
 
 const workflowStore = useWorkflowStore()
 const migrateToLitegraphReroute = () => {
-  const workflowJSON = app.serializeGraph() as unknown as WorkflowJSON04
+  const workflowJSON = app.graph.serialize() as unknown as WorkflowJSON04
   const migratedWorkflowJSON = migrateLegacyRerouteNodes(workflowJSON)
   app.loadGraphData(
     migratedWorkflowJSON,
diff --git a/src/composables/useWorkflowPersistence.ts b/src/composables/useWorkflowPersistence.ts
index a2583a66f..e0178a139 100644
--- a/src/composables/useWorkflowPersistence.ts
+++ b/src/composables/useWorkflowPersistence.ts
@@ -18,7 +18,7 @@ export function useWorkflowPersistence() {
 
   const persistCurrentWorkflow = () => {
     if (!workflowPersistenceEnabled.value) return
-    const workflow = JSON.stringify(comfyApp.serializeGraph())
+    const workflow = JSON.stringify(comfyApp.graph.serialize())
     localStorage.setItem('workflow', workflow)
     if (api.clientId) {
       sessionStorage.setItem(`workflow:${api.clientId}`, workflow)
diff --git a/src/scripts/app.ts b/src/scripts/app.ts
index e7308d1a8..d6fd8131e 100644
--- a/src/scripts/app.ts
+++ b/src/scripts/app.ts
@@ -1147,24 +1147,13 @@ export class ComfyApp {
     )
     await useWorkflowService().afterLoadNewGraph(
       workflow,
-      // @ts-expect-error zod types issue. Will be fixed after we enable ts-strict
-      this.graph.serialize()
+      this.graph.serialize() as unknown as ComfyWorkflowJSON
     )
     requestAnimationFrame(() => {
       this.graph.setDirtyCanvas(true, true)
     })
   }
 
-  /**
-   * Serializes a graph using preferred user settings.
-   * @param graph The litegraph to serialize.
-   * @returns A serialized graph (aka workflow) with preferred user settings.
-   */
-  serializeGraph(graph: LGraph = this.graph) {
-    const sortNodes = useSettingStore().get('Comfy.Workflow.SortNodeIdOnSave')
-    return graph.serialize({ sortNodes })
-  }
-
   async graphToPrompt(graph = this.graph) {
     return graphToPrompt(graph, {
       sortNodes: useSettingStore().get('Comfy.Workflow.SortNodeIdOnSave')
@@ -1276,8 +1265,10 @@ export class ComfyApp {
         // by external callers, and `importA1111` has no access to `app`.
         useWorkflowService().beforeLoadNewGraph()
         importA1111(this.graph, pngInfo.parameters)
-        // @ts-expect-error zod type issue on ComfyWorkflowJSON. Should be resolved after enabling ts-strict globally.
-        useWorkflowService().afterLoadNewGraph(fileName, this.serializeGraph())
+        useWorkflowService().afterLoadNewGraph(
+          fileName,
+          this.graph.serialize() as unknown as ComfyWorkflowJSON
+        )
       } else {
         this.showErrorOnFileLoad(file)
       }
@@ -1479,9 +1470,10 @@ export class ComfyApp {
 
     app.graph.arrange()
 
-    // @ts-expect-error zod type issue on ComfyWorkflowJSON. ComfyWorkflowJSON
-    // is stricter than LiteGraph's serialisation schema.
-    useWorkflowService().afterLoadNewGraph(fileName, this.serializeGraph())
+    useWorkflowService().afterLoadNewGraph(
+      fileName,
+      this.graph.serialize() as unknown as ComfyWorkflowJSON
+    )
   }
 
   /**