diff --git a/packages/nuxt/src/app/composables/asyncData.ts b/packages/nuxt/src/app/composables/asyncData.ts
index bbce72906a..241352df6d 100644
--- a/packages/nuxt/src/app/composables/asyncData.ts
+++ b/packages/nuxt/src/app/composables/asyncData.ts
@@ -375,7 +375,9 @@ export function useAsyncData<
     const hasScope = getCurrentScope()
     if (options.watch) {
       const unsub = watch(options.watch, () => asyncData.refresh())
-      if (hasScope) {
+      if (instance) {
+        onUnmounted(unsub)
+      } else if (hasScope) {
         onScopeDispose(unsub)
       }
     }
@@ -384,7 +386,9 @@ export function useAsyncData<
         await asyncData.refresh()
       }
     })
-    if (hasScope) {
+    if (instance) {
+      onUnmounted(off)
+    } else if (hasScope) {
       onScopeDispose(off)
     }
   }