diff --git a/README.md b/README.md
index 998dccf..7012d50 100644
--- a/README.md
+++ b/README.md
@@ -423,7 +423,6 @@ config.entryPoints
 config.output : ChainedMap
 
 config.output
-  .auxiliaryComment(auxiliaryComment)
   .chunkFilename(chunkFilename)
   .chunkLoadTimeout(chunkLoadTimeout)
   .chunkLoadingGlobal(chunkLoadingGlobal)
@@ -446,8 +445,6 @@ config.output
   .hotUpdateFunction(hotUpdateFunction)
   .hotUpdateMainFilename(hotUpdateMainFilename)
   .library(library)
-  .libraryExport(libraryExport)
-  .libraryTarget(libraryTarget)
   .importFunctionName(importFunctionName)
   .path(path)
   .pathinfo(pathinfo)
@@ -456,7 +453,6 @@ config.output
   .sourceMapFilename(sourceMapFilename)
   .strictModuleErrorHandling(strictModuleErrorHandling)
   .strictModuleExceptionHandling(strictModuleExceptionHandling)
-  .umdNamedDefine(umdNamedDefine)
   .workerChunkLoading(workerChunkLoading)
   .enabledLibraryTypes(enabledLibraryTypes)
   .environment(environment)
diff --git a/src/Output.js b/src/Output.js
index e3e4291..74a922d 100644
--- a/src/Output.js
+++ b/src/Output.js
@@ -4,7 +4,6 @@ export default class extends ChainedMap {
   constructor(parent) {
     super(parent);
     this.extend([
-      'auxiliaryComment',
       'assetModuleFilename',
       'bundlerInfo',
       'chunkFilename',
@@ -28,8 +27,6 @@ export default class extends ChainedMap {
       'hotUpdateGlobal',
       'hotUpdateMainFilename',
       'library',
-      'libraryExport',
-      'libraryTarget',
       'importFunctionName',
       'path',
       'pathinfo',
@@ -38,7 +35,6 @@ export default class extends ChainedMap {
       'sourceMapFilename',
       'strictModuleErrorHandling',
       'strictModuleExceptionHandling',
-      'umdNamedDefine',
       'workerChunkLoading',
       'enabledLibraryTypes',
       'environment',
diff --git a/types/index.d.ts b/types/index.d.ts
index aba9139..a621201 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -186,7 +186,6 @@ declare namespace Config {
   type RspackOutput = Required<NonNullable<Configuration['output']>>;
 
   class Output extends ChainedMap<Config> {
-    auxiliaryComment(value: RspackOutput['auxiliaryComment']): this;
     assetModuleFilename(value: RspackOutput['assetModuleFilename']): this;
     bundlerInfo(value: RspackOutput['bundlerInfo']): this;
     chunkFilename(value: RspackOutput['chunkFilename']): this;
@@ -216,8 +215,6 @@ declare namespace Config {
     hotUpdateGlobal(value: RspackOutput['hotUpdateGlobal']): this;
     hotUpdateMainFilename(value: RspackOutput['hotUpdateMainFilename']): this;
     library(value: RspackOutput['library']): this;
-    libraryExport(value: RspackOutput['libraryExport']): this;
-    libraryTarget(value: RspackOutput['libraryTarget']): this;
     importFunctionName(value: RspackOutput['importFunctionName']): this;
     path(value: RspackOutput['path']): this;
     pathinfo(value: RspackOutput['pathinfo']): this;
@@ -230,7 +227,6 @@ declare namespace Config {
     strictModuleExceptionHandling(
       value: RspackOutput['strictModuleExceptionHandling'],
     ): this;
-    umdNamedDefine(value: RspackOutput['umdNamedDefine']): this;
     workerChunkLoading(value: RspackOutput['workerChunkLoading']): this;
     enabledLibraryTypes(value: RspackOutput['enabledLibraryTypes']): this;
     environment(value: RspackOutput['environment']): this;
diff --git a/types/test/rspack-chain-tests.ts b/types/test/rspack-chain-tests.ts
index 49df7be..b408551 100644
--- a/types/test/rspack-chain-tests.ts
+++ b/types/test/rspack-chain-tests.ts
@@ -34,13 +34,7 @@ config
   .entryPoints.delete('main')
   .end()
   // output
-  .output.auxiliaryComment('Test Comment')
-  .auxiliaryComment({
-    root: 'Root Comment',
-    commonjs: 'CommonJS Comment',
-    commonjs2: 'CommonJS2 Comment',
-    amd: 'AMD Comment',
-  })
+  .output
   .bundlerInfo({
     force: false,
   })
@@ -60,15 +54,12 @@ config
   .hotUpdateChunkFilename('update')
   .hotUpdateMainFilename('main')
   .library('var')
-  .libraryExport(['MyModule', 'MySubModule'])
-  .libraryTarget('var')
   .path('/')
   .pathinfo(true)
   .publicPath('/')
   .sourceMapFilename('index.js.map')
   .strictModuleExceptionHandling(true)
   .iife(true)
-  .umdNamedDefine(true)
   .webassemblyModuleFilename('[id].[hash].wasm')
   .clean({
     keep: 'foo',