diff --git a/packages/core/src/migrations.ts b/packages/core/src/migrations.ts
index eeea7378a..099a5a135 100644
--- a/packages/core/src/migrations.ts
+++ b/packages/core/src/migrations.ts
@@ -402,7 +402,10 @@ const migrations: Migration[] = [
         delete item.resolved;
         return true;
       },
-      all: () => true
+      all: (item) => {
+        delete item.deleteReason;
+        return true;
+      }
     },
     async vaultKey(db, key) {
       await db.vaults.add({ title: "Default", key });
diff --git a/packages/core/src/types.ts b/packages/core/src/types.ts
index e41704c38..395dd18d0 100644
--- a/packages/core/src/types.ts
+++ b/packages/core/src/types.ts
@@ -150,6 +150,11 @@ export interface BaseItem<TType extends ItemType> {
   remote?: boolean;
   synced?: boolean;
   deleted?: boolean;
+
+  /**
+   * @deprecated only kept here for migration purposes
+   */
+  deleteReason?: never;
 }
 
 export type NotebookReference = {