diff --git a/src/client/Client.ts b/src/client/Client.ts
index 5a6e8eb..e55ae32 100644
--- a/src/client/Client.ts
+++ b/src/client/Client.ts
@@ -19,7 +19,7 @@ import { ChannelCredentials } from '@grpc/grpc-js';
 import { RuntimeClient } from '../../proto/runtime/v1/runtime_grpc_pb';
 import { ObjectStorageServiceClient } from '../../proto/extension/v1/s3/oss_grpc_pb';
 import { CryptionServiceClient } from '../../proto/extension/v1/cryption/cryption_grpc_pb';
-import { State, StateOptions } from './State';
+import { State } from './State';
 import { Hello } from './Hello';
 import { Invoker } from './Invoker';
 import { Lock } from './Lock';
@@ -112,7 +112,7 @@ export class Client {
 
   get state() {
     if (!this._state) {
-      this._state = new State(this._runtime, {}, this.initAPIOptions);
+      this._state = new State(this._runtime, this.initAPIOptions);
     }
     return this._state;
   }
@@ -184,13 +184,6 @@ export class Client {
     return new Oss(ossClient, options, this.initAPIOptions);
   }
 
-  /**
-   * Create new state client instance
-   */
-  createStateClient(options?: StateOptions) {
-    return new State(this._runtime, options, this.initAPIOptions);
-  }
-
   get cryption() {
     if (!this._cryption) {
       if (!this._cryptionClient) {
diff --git a/src/client/State.ts b/src/client/State.ts
index f3d7794..91e6c67 100644
--- a/src/client/State.ts
+++ b/src/client/State.ts
@@ -38,27 +38,8 @@ import {
   StateItem,
 } from '../types/State';
 import { isEmptyPBMessage, convertMapToKVString } from '../utils';
-import { RuntimeClient } from '../../proto/runtime/v1/runtime_grpc_pb';
-import { APIOptions } from './API';
-import { RequestWithMeta } from '../types/common';
-
-export interface StateOptions {
-  // set default metadata on every request
-  defaultRequestMeta?: Record<string, string>;
-}
 
 export class State extends RuntimeAPI {
-  #defaultRequestMeta?: Record<string, string>;
-
-  constructor(runtime: RuntimeClient, options?: StateOptions, apiOptions?: APIOptions) {
-    super(runtime, apiOptions);
-    this.#defaultRequestMeta = options?.defaultRequestMeta;
-  }
-
-  createMetadata(request: RequestWithMeta<{}>) {
-    return super.createMetadata(request, this.#defaultRequestMeta);
-  }
-
   // Saves an array of state objects
   async save(request: SaveStateRequest): Promise<void> {
     let states = request.states;
diff --git a/test/unit/client/State.test.ts b/test/unit/client/State.test.ts
index b1863d2..5e673eb 100644
--- a/test/unit/client/State.test.ts
+++ b/test/unit/client/State.test.ts
@@ -198,32 +198,4 @@ describe('client/State.test.ts', () => {
       // assert.equal(states.length, 20);
     });
   });
-
-  describe('createStateClient()', () => {
-    it('should create a new state client success', async () => {
-      const key = 'js-sdk-unit-' + Date.now();
-      const stateClient = client.createStateClient({
-        defaultRequestMeta: {
-          foo: 'bar',
-        },
-      });
-      const value = `hello js-sdk, with 中文, 😄, at ${Date()}`;
-      await stateClient.save({
-        storeName,
-        states: { key, value },
-        requestMeta: { traceid: `mock-traceid-unittest-${Date.now()}` },
-      });
-      const state = await stateClient.get({ storeName, key });
-      assert(state);
-      assert.equal(Buffer.from(state.value).toString(), value);
-
-      await stateClient.save({
-        storeName,
-        states: { key, value },
-      });
-      const state2 = await stateClient.get({ storeName, key });
-      assert(state2);
-      assert.equal(Buffer.from(state2.value).toString(), value);
-    });
-  });
 });