diff --git a/packages/inmemory/src/inMemoryStorage/instance.ts b/packages/inmemory/src/inMemoryStorage/instance.ts
index 15704a14..674d87f8 100644
--- a/packages/inmemory/src/inMemoryStorage/instance.ts
+++ b/packages/inmemory/src/inMemoryStorage/instance.ts
@@ -8,16 +8,16 @@ import { fixTxPipe } from '@pluto-encrypted/shared'
 import { type QueryMatcher } from 'rxdb/dist/types/types'
 
 export class RxStorageIntanceInMemory<RxDocType> implements RxStorageInstance<
-RxDocType,
-InMemoryStorageInternals<RxDocType>,
-InMemorySettings,
-RxStorageDefaultCheckpoint> {
+  RxDocType,
+  InMemoryStorageInternals<RxDocType>,
+  InMemorySettings,
+  RxStorageDefaultCheckpoint> {
   public readonly primaryPath: StringKeys<RxDocumentData<RxDocType>>
   public conflictResultionTasks$ = new Subject<RxConflictResultionTask<RxDocType>>()
   public changes$ = new Subject<EventBulk<RxStorageChangeEvent<RxDocumentData<RxDocType>>, RxStorageDefaultCheckpoint>>()
   public closed: boolean = false
 
-  constructor (
+  constructor(
     public readonly storage: RxStorageInMemoryType<RxDocType>,
     public readonly databaseName: string,
     public readonly collectionName: string,
@@ -28,7 +28,7 @@ RxStorageDefaultCheckpoint> {
     this.primaryPath = getPrimaryFieldOfPrimaryKey(this.schema.primaryKey)
   }
 
-  async bulkWrite (
+  async bulkWrite(
     documentWrites: Array<BulkWriteRow<RxDocType>>,
     context: string): Promise<RxStorageBulkWriteResponse<RxDocType>> {
     const primaryPath = this.primaryPath
@@ -42,8 +42,17 @@ RxStorageDefaultCheckpoint> {
       const currentId = currentWriteDoc.document[this.primaryPath] as any
       const previousDocument = currentWriteDoc.previous ?? this.internals.documents.get(currentId)
       if (context === 'data-migrator-delete') {
-        if (previousDocument && previousDocument._rev === currentWriteDoc.document._rev) {
-          fixedDocs.push(currentWriteDoc)
+        if (previousDocument) {
+          fixedDocs.push({
+            document: {
+              ...previousDocument,
+              _deleted: true
+            },
+            previous: {
+              ...previousDocument,
+              _deleted: false
+            }
+          });
         }
       } else {
         if (previousDocument && previousDocument._rev !== currentWriteDoc.document._rev) {
@@ -100,11 +109,11 @@ RxStorageDefaultCheckpoint> {
     return await Promise.resolve(ret)
   }
 
-  async findDocumentsById (ids: string[], withDeleted: boolean): Promise<RxDocumentDataById<RxDocType>> {
+  async findDocumentsById(ids: string[], withDeleted: boolean): Promise<RxDocumentDataById<RxDocType>> {
     return this.internals.bulkGet(ids, withDeleted)
   }
 
-  async query (preparedQuery: InMemoryPreparedQuery<RxDocType>): Promise<RxStorageQueryResult<RxDocType>> {
+  async query(preparedQuery: InMemoryPreparedQuery<RxDocType>): Promise<RxStorageQueryResult<RxDocType>> {
     const { queryPlan, query } = preparedQuery
     const selector = query.selector
     const selectorKeys = Object.keys(selector)
@@ -175,7 +184,7 @@ RxStorageDefaultCheckpoint> {
     }
   }
 
-  async count (preparedQuery: any): Promise<RxStorageCountResult> {
+  async count(preparedQuery: any): Promise<RxStorageCountResult> {
     const result = await this.query(preparedQuery)
     return {
       count: result.documents.length,
@@ -184,28 +193,28 @@ RxStorageDefaultCheckpoint> {
   }
 
   /* istanbul ignore next */
-  async getAttachmentData (): Promise<string> {
+  async getAttachmentData(): Promise<string> {
     throw new Error('Method not implemented.')
   }
 
   /* istanbul ignore next */
-  async getChangedDocumentsSince (): Promise<{ documents: Array<RxDocumentData<RxDocType>>, checkpoint: RxStorageDefaultCheckpoint }> {
+  async getChangedDocumentsSince(): Promise<{ documents: Array<RxDocumentData<RxDocType>>, checkpoint: RxStorageDefaultCheckpoint }> {
     throw new Error('Method not implemented.')
   }
 
   /* istanbul ignore next */
-  changeStream (): Observable<EventBulk<RxStorageChangeEvent<RxDocType>, RxStorageDefaultCheckpoint>> {
+  changeStream(): Observable<EventBulk<RxStorageChangeEvent<RxDocType>, RxStorageDefaultCheckpoint>> {
     return this.changes$.asObservable()
   }
 
-  async cleanup (): Promise<boolean> {
+  async cleanup(): Promise<boolean> {
     this.internals.clear()
 
     return true
   }
 
   /* istanbul ignore next */
-  async close (): Promise<void> {
+  async close(): Promise<void> {
     if (this.closed) {
       await Promise.reject(new Error('already closed')); return
     }
@@ -215,16 +224,16 @@ RxStorageDefaultCheckpoint> {
   }
 
   /* istanbul ignore next */
-  async remove (): Promise<void> {
+  async remove(): Promise<void> {
     await Promise.resolve()
   }
 
-  conflictResultionTasks (): Observable<RxConflictResultionTask<RxDocType>> {
+  conflictResultionTasks(): Observable<RxConflictResultionTask<RxDocType>> {
     return this.conflictResultionTasks$.asObservable()
   }
 
   /* istanbul ignore next */
-  async resolveConflictResultionTask (): Promise<void> {
+  async resolveConflictResultionTask(): Promise<void> {
     await Promise.resolve()
   }
 }