diff --git a/src/index.ts b/src/index.ts
index 85a24a5..d32ff6e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -2,7 +2,7 @@ import base, {Base, Fancy, Next, Plugin} from './base'
 import _catch, {CatchOptions} from './catch'
 import env, {EnvOptions} from './env'
 import mock from './mock'
-import nock, {NockHosts, NockScope} from './nock'
+import nock, {NockScope} from './nock'
 import {stderr, StdmockOptions, stdout} from './stdmock'
 
 export const fancy = base
@@ -20,7 +20,6 @@ export {
   Next,
   CatchOptions,
   EnvOptions,
-  NockHosts,
   NockScope,
   StdmockOptions,
 }
diff --git a/src/nock.ts b/src/nock.ts
index ce07c24..e29b5b5 100644
--- a/src/nock.ts
+++ b/src/nock.ts
@@ -2,17 +2,19 @@ import * as Nock from 'nock'
 
 import {Next} from './base'
 
-export interface NockHosts {[host: string]: Nock.Scope}
-
 export type NockCallback = (nock: Nock.Scope) => any
 
-export default async (next: Next<{nock: NockHosts}>, ctx: any, host: string, cb: NockCallback) => {
-  const hosts: NockHosts = ctx.nock || {}
+export default async (next: Next<{nock: number}>, ctx: any, host: string, cb: NockCallback) => {
+  const count = (ctx.nock as number || 0) + 1
   const nock: typeof Nock = require('nock')
-  const api = hosts[host] || nock(host)
-  await cb(api)
-  await next({nock: hosts})
-  api.done()
+  const intercepter = nock(host)
+  await cb(intercepter)
+  try {
+    await next({nock: count})
+    intercepter.done()
+  } finally {
+    if (count === 1) nock.cleanAll()
+  }
 }
 
 export {Scope as NockScope} from 'nock'