diff --git a/.changeset/mean-beers-refuse.md b/.changeset/mean-beers-refuse.md
new file mode 100644
index 00000000000..9ac1dcae50b
--- /dev/null
+++ b/.changeset/mean-beers-refuse.md
@@ -0,0 +1,6 @@
+---
+"app-builder-lib": major
+"electron-builder": major
+---
+
+delete all old node module collector and legacy nativeRebuilder
diff --git a/packages/app-builder-lib/scheme.json b/packages/app-builder-lib/scheme.json
index 29f6a5da32c..02d01265c90 100644
--- a/packages/app-builder-lib/scheme.json
+++ b/packages/app-builder-lib/scheme.json
@@ -7328,7 +7328,6 @@
       "anyOf": [
         {
           "enum": [
-            "legacy",
             "parallel",
             "sequential"
           ],
@@ -7339,7 +7338,7 @@
         }
       ],
       "default": "sequential",
-      "description": "Use `legacy` app-builder binary for installing native dependencies, or `@electron/rebuild` in `sequential` or `parallel` compilation modes."
+      "description": "Use `@electron/rebuild` in `sequential` or `parallel` compilation modes."
     },
     "nodeGypRebuild": {
       "default": false,
diff --git a/packages/app-builder-lib/src/configuration.ts b/packages/app-builder-lib/src/configuration.ts
index 215fa231a20..0787145c52b 100644
--- a/packages/app-builder-lib/src/configuration.ts
+++ b/packages/app-builder-lib/src/configuration.ts
@@ -129,10 +129,10 @@ export interface CommonConfiguration {
    */
   readonly npmRebuild?: boolean
   /**
-   * Use `legacy` app-builder binary for installing native dependencies, or `@electron/rebuild` in `sequential` or `parallel` compilation modes.
+   * Use `@electron/rebuild` in `sequential` or `parallel` compilation modes.
    * @default sequential
    */
-  readonly nativeRebuilder?: "legacy" | "sequential" | "parallel" | null
+  readonly nativeRebuilder?: "sequential" | "parallel" | null
 
   /**
    * The build number. Maps to the `--iteration` flag for builds using FPM on Linux.
diff --git a/packages/app-builder-lib/src/node-module-collector/index.ts b/packages/app-builder-lib/src/node-module-collector/index.ts
index 2e760b0567e..55366888cf3 100644
--- a/packages/app-builder-lib/src/node-module-collector/index.ts
+++ b/packages/app-builder-lib/src/node-module-collector/index.ts
@@ -34,4 +34,4 @@ export async function getNodeModules(rootDir: string): Promise<NodeModuleInfo[]>
   return collector.getNodeModules()
 }
 
-export { detect, getPackageManagerVersion, PM }
+export { detect, getPackageManagerVersion, PM, NodeModuleInfo }
diff --git a/packages/app-builder-lib/src/packager.ts b/packages/app-builder-lib/src/packager.ts
index c437a973d23..112dbc9c3aa 100644
--- a/packages/app-builder-lib/src/packager.ts
+++ b/packages/app-builder-lib/src/packager.ts
@@ -34,7 +34,6 @@ import { ProtonFramework } from "./ProtonFramework"
 import { computeArchToTargetNamesMap, createTargets, NoOpTarget } from "./targets/targetFactory"
 import { computeDefaultAppDirectory, getConfig, validateConfiguration } from "./util/config/config"
 import { expandMacro } from "./util/macroExpander"
-import { createLazyProductionDeps, NodeModuleDirInfo, NodeModuleInfo } from "./util/packageDependencies"
 import { checkMetadata, readPackageJson } from "./util/packageMetadata"
 import { getRepositoryInfo } from "./util/repositoryInfo"
 import { resolveFunction } from "./util/resolve"
@@ -142,26 +141,6 @@ export class Packager {
     return this._repositoryInfo.value
   }
 
-  private nodeDependencyInfo = new Map<string, Lazy<Array<any>>>()
-
-  getNodeDependencyInfo(platform: Platform | null, flatten: boolean = true): Lazy<Array<NodeModuleInfo | NodeModuleDirInfo>> {
-    let key = "" + flatten.toString()
-    let excludedDependencies: Array<string> | null = null
-    if (platform != null && this.framework.getExcludedDependencies != null) {
-      excludedDependencies = this.framework.getExcludedDependencies(platform)
-      if (excludedDependencies != null) {
-        key += `-${platform.name}`
-      }
-    }
-
-    let result = this.nodeDependencyInfo.get(key)
-    if (result == null) {
-      result = createLazyProductionDeps(this.appDir, excludedDependencies, flatten)
-      this.nodeDependencyInfo.set(key, result)
-    }
-    return result
-  }
-
   stageDirPathCustomizer: (target: Target, packager: PlatformPackager<any>, arch: Arch) => string = (target, packager, arch) => {
     return path.join(target.outDir, `__${target.name}-${getArtifactArchName(arch, target.name)}`)
   }
@@ -575,7 +554,6 @@ export class Packager {
         frameworkInfo,
         platform: platform.nodeName,
         arch: Arch[arch],
-        productionDeps: this.getNodeDependencyInfo(null, false) as Lazy<Array<NodeModuleDirInfo>>,
       })
     }
   }
diff --git a/packages/app-builder-lib/src/util/NodeModuleCopyHelper.ts b/packages/app-builder-lib/src/util/NodeModuleCopyHelper.ts
index 2d1b8333a5b..7dc25daeffb 100644
--- a/packages/app-builder-lib/src/util/NodeModuleCopyHelper.ts
+++ b/packages/app-builder-lib/src/util/NodeModuleCopyHelper.ts
@@ -6,7 +6,7 @@ import asyncPool from "tiny-async-pool"
 import { excludedNames, FileMatcher } from "../fileMatcher"
 import { Packager } from "../packager"
 import { FileCopyHelper } from "./AppFileWalker"
-import { NodeModuleInfo } from "./packageDependencies"
+import { NodeModuleInfo } from "../node-module-collector"
 import { resolveFunction } from "./resolve"
 
 const excludedFiles = new Set(
diff --git a/packages/app-builder-lib/src/util/appBuilder.ts b/packages/app-builder-lib/src/util/appBuilder.ts
index 7665b3d0872..093c13d1f2e 100644
--- a/packages/app-builder-lib/src/util/appBuilder.ts
+++ b/packages/app-builder-lib/src/util/appBuilder.ts
@@ -1,5 +1,4 @@
 import { executeAppBuilder } from "builder-util"
-import { SpawnOptions } from "child_process"
 
 export function executeAppBuilderAsJson<T>(args: Array<string>): Promise<T> {
   return executeAppBuilder(args).then(rawResult => {
@@ -15,19 +14,6 @@ export function executeAppBuilderAsJson<T>(args: Array<string>): Promise<T> {
   })
 }
 
-export function executeAppBuilderAndWriteJson(args: Array<string>, data: any, extraOptions: SpawnOptions = {}): Promise<string> {
-  return executeAppBuilder(
-    args,
-    childProcess => {
-      childProcess.stdin!.end(JSON.stringify(data))
-    },
-    {
-      ...extraOptions,
-      stdio: ["pipe", "pipe", process.stdout],
-    }
-  )
-}
-
 export function objectToArgs(to: Array<string>, argNameToValue: Record<string, string | null>): void {
   for (const name of Object.keys(argNameToValue)) {
     const value = argNameToValue[name]
diff --git a/packages/app-builder-lib/src/util/appFileCopier.ts b/packages/app-builder-lib/src/util/appFileCopier.ts
index d1b2c20e97c..0c67ab16714 100644
--- a/packages/app-builder-lib/src/util/appFileCopier.ts
+++ b/packages/app-builder-lib/src/util/appFileCopier.ts
@@ -12,8 +12,7 @@ import { Packager } from "../packager"
 import { PlatformPackager } from "../platformPackager"
 import { AppFileWalker } from "./AppFileWalker"
 import { NodeModuleCopyHelper } from "./NodeModuleCopyHelper"
-import { NodeModuleInfo } from "./packageDependencies"
-import { getNodeModules } from "../node-module-collector"
+import { getNodeModules, NodeModuleInfo } from "../node-module-collector"
 
 const BOWER_COMPONENTS_PATTERN = `${path.sep}bower_components${path.sep}`
 /** @internal */
diff --git a/packages/app-builder-lib/src/util/packageDependencies.ts b/packages/app-builder-lib/src/util/packageDependencies.ts
deleted file mode 100644
index 86e11442a57..00000000000
--- a/packages/app-builder-lib/src/util/packageDependencies.ts
+++ /dev/null
@@ -1,27 +0,0 @@
-import { Lazy } from "lazy-val"
-import { executeAppBuilderAsJson } from "./appBuilder"
-
-export function createLazyProductionDeps<T extends boolean>(projectDir: string, excludedDependencies: Array<string> | null, flatten: T) {
-  return new Lazy(async () => {
-    const args = ["node-dep-tree", "--dir", projectDir]
-    if (flatten) args.push("--flatten")
-    if (excludedDependencies != null) {
-      for (const name of excludedDependencies) {
-        args.push("--exclude-dep", name)
-      }
-    }
-    return executeAppBuilderAsJson<Array<T extends true ? NodeModuleInfo : NodeModuleDirInfo>>(args)
-  })
-}
-
-export interface NodeModuleDirInfo {
-  readonly dir: string
-  readonly deps: Array<NodeModuleInfo>
-}
-
-export interface NodeModuleInfo {
-  readonly name: string
-  readonly version: string
-  readonly dir: string
-  readonly dependencies?: Array<NodeModuleInfo>
-}
diff --git a/packages/app-builder-lib/src/util/yarn.ts b/packages/app-builder-lib/src/util/yarn.ts
index 810177e22c7..b8ef7e50a18 100644
--- a/packages/app-builder-lib/src/util/yarn.ts
+++ b/packages/app-builder-lib/src/util/yarn.ts
@@ -3,13 +3,10 @@ import { getProjectRootPath } from "@electron/rebuild/lib/search-module"
 import { RebuildMode } from "@electron/rebuild/lib/types"
 import { asArray, log, spawn } from "builder-util"
 import { pathExists } from "fs-extra"
-import { Lazy } from "lazy-val"
 import { homedir } from "os"
 import * as path from "path"
 import { Configuration } from "../configuration"
-import { executeAppBuilderAndWriteJson } from "./appBuilder"
 import { PM, detect, getPackageManagerVersion } from "../node-module-collector"
-import { NodeModuleDirInfo } from "./packageDependencies"
 import { rebuild as remoteRebuild } from "./rebuild/rebuild"
 
 export async function installOrRebuild(config: Configuration, appDir: string, options: RebuildOptions, forceInstall = false) {
@@ -160,8 +157,6 @@ function isRunningYarn(pm: PM) {
 
 export interface RebuildOptions {
   frameworkInfo: DesktopFrameworkInfo
-  productionDeps: Lazy<Array<NodeModuleDirInfo>>
-
   platform?: NodeJS.Platform
   arch?: string
 
@@ -173,7 +168,6 @@ export interface RebuildOptions {
 /** @internal */
 export async function rebuild(config: Configuration, appDir: string, options: RebuildOptions) {
   const configuration = {
-    dependencies: await options.productionDeps.value,
     nodeExecPath: process.execPath,
     platform: options.platform || process.platform,
     arch: options.arch || process.arch,
@@ -183,11 +177,6 @@ export async function rebuild(config: Configuration, appDir: string, options: Re
   }
   const { arch, buildFromSource, platform } = configuration
 
-  if (config.nativeRebuilder === "legacy") {
-    const env = getGypEnv(options.frameworkInfo, platform, arch, buildFromSource)
-    return executeAppBuilderAndWriteJson(["rebuild-node-modules"], configuration, { env, cwd: appDir })
-  }
-
   const {
     frameworkInfo: { version: electronVersion },
   } = options
diff --git a/packages/electron-builder/src/cli/install-app-deps.ts b/packages/electron-builder/src/cli/install-app-deps.ts
index 2ad3e4ca670..80291f5ea06 100644
--- a/packages/electron-builder/src/cli/install-app-deps.ts
+++ b/packages/electron-builder/src/cli/install-app-deps.ts
@@ -3,7 +3,6 @@
 import { getElectronVersion } from "app-builder-lib/out/electron/electronVersion"
 import { computeDefaultAppDirectory, getConfig } from "app-builder-lib/out/util/config/config"
 import { orNullIfFileNotExist } from "app-builder-lib/out/util/config/load"
-import { createLazyProductionDeps } from "app-builder-lib/out/util/packageDependencies"
 import { installOrRebuild } from "app-builder-lib/out/util/yarn"
 import { PACKAGE_VERSION } from "app-builder-lib/out/version"
 import { getArchCliNames, log, printErrorAndExit, use } from "builder-util"
@@ -62,7 +61,6 @@ export async function installAppDeps(args: any) {
       frameworkInfo: { version, useCustomDist: true },
       platform: args.platform,
       arch: args.arch,
-      productionDeps: createLazyProductionDeps(appDir, null, false),
     },
     appDir !== projectDir
   )