diff --git a/src/models/FtTransferEvent.ts b/src/models/FtTransferEvent.ts
index 6eba408..9c418db 100644
--- a/src/models/FtTransferEvent.ts
+++ b/src/models/FtTransferEvent.ts
@@ -1,8 +1,6 @@
 import { getModelForClass, index, modelOptions, prop } from '@typegoose/typegoose'
 import { dbconn } from 'decorators/dbconn'
 import { BaseModule } from './Base'
-import { FtHolder } from './FtHodler'
-import { ZERO_ADDRESS } from 'common/Constants'
 
 @dbconn()
 @index({ address: 1, chain: 1 }, { unique: false })
diff --git a/src/models/NftTransferEvent.ts b/src/models/NftTransferEvent.ts
index 7841c56..f90d76e 100644
--- a/src/models/NftTransferEvent.ts
+++ b/src/models/NftTransferEvent.ts
@@ -2,7 +2,6 @@ import { getModelForClass, index, modelOptions, prop } from '@typegoose/typegoos
 import { dbconn } from 'decorators/dbconn'
 import { BaseModule } from './Base'
 import { NftHolder } from './NftHolder'
-import { ZERO_ADDRESS } from 'common/Constants'
 
 @dbconn()
 @index({ address: 1, chain: 1 }, { unique: false })
diff --git a/src/models/RequestTask.ts b/src/models/RequestTask.ts
index a459d46..da04610 100644
--- a/src/models/RequestTask.ts
+++ b/src/models/RequestTask.ts
@@ -1,4 +1,4 @@
-import { getModelForClass, DocumentType, modelOptions, mongoose, prop, Severity, index } from '@typegoose/typegoose'
+import { getModelForClass, DocumentType, modelOptions, mongoose, prop, Severity } from '@typegoose/typegoose'
 import { BlockChain } from 'chain/BlockChain'
 import { dbconn } from 'decorators/dbconn'
 import logger from 'logger/logger'