diff --git a/package.json b/package.json
index ac935c4ead6a..4f136df9262b 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,6 @@
     "@types/pacote": "^11.1.3",
     "@types/picomatch": "^4.0.0",
     "@types/progress": "^2.0.3",
-    "@types/resolve": "^1.17.1",
     "@types/semver": "^7.3.12",
     "@types/watchpack": "^2.4.4",
     "@types/yargs": "^17.0.20",
diff --git a/packages/angular/cli/BUILD.bazel b/packages/angular/cli/BUILD.bazel
index abed616cd810..6d33838ae2e7 100644
--- a/packages/angular/cli/BUILD.bazel
+++ b/packages/angular/cli/BUILD.bazel
@@ -72,7 +72,6 @@ ts_project(
         ":node_modules/npm-package-arg",
         ":node_modules/pacote",
         ":node_modules/parse5-html-rewriting-stream",
-        ":node_modules/resolve",
         ":node_modules/yargs",
         ":node_modules/zod",
         "//:node_modules/@angular/core",
@@ -80,7 +79,6 @@ ts_project(
         "//:node_modules/@types/node",
         "//:node_modules/@types/npm-package-arg",
         "//:node_modules/@types/pacote",
-        "//:node_modules/@types/resolve",
         "//:node_modules/@types/semver",
         "//:node_modules/@types/yargs",
         "//:node_modules/@types/yarnpkg__lockfile",
diff --git a/packages/angular/cli/package.json b/packages/angular/cli/package.json
index 8872ceeee5b0..452594492313 100644
--- a/packages/angular/cli/package.json
+++ b/packages/angular/cli/package.json
@@ -37,7 +37,6 @@
     "npm-package-arg": "13.0.2",
     "pacote": "21.0.4",
     "parse5-html-rewriting-stream": "8.0.0",
-    "resolve": "1.22.11",
     "semver": "7.7.3",
     "yargs": "18.0.0",
     "zod": "4.3.5"
diff --git a/packages/angular/cli/src/commands/update/cli.ts b/packages/angular/cli/src/commands/update/cli.ts
index b5f0be73539e..8703eb017f24 100644
--- a/packages/angular/cli/src/commands/update/cli.ts
+++ b/packages/angular/cli/src/commands/update/cli.ts
@@ -29,7 +29,6 @@ import {
 import { colors } from '../../utilities/color';
 import { disableVersionCheck } from '../../utilities/environment-options';
 import { assertIsError } from '../../utilities/error';
-import { findPackageJson } from '../../utilities/package-tree';
 import {
   checkCLIVersion,
   coerceVersionNumber,
@@ -697,3 +696,14 @@ async function readPackageManifest(manifestPath: string): Promise<PackageManifes
     return undefined;
   }
 }
+
+function findPackageJson(workspaceDir: string, packageName: string): string | undefined {
+  try {
+    const projectRequire = createRequire(path.join(workspaceDir, 'package.json'));
+    const packageJsonPath = projectRequire.resolve(`${packageName}/package.json`);
+
+    return packageJsonPath;
+  } catch {
+    return undefined;
+  }
+}
diff --git a/packages/angular/cli/src/utilities/package-tree.ts b/packages/angular/cli/src/utilities/package-tree.ts
deleted file mode 100644
index 14e8a9edd689..000000000000
--- a/packages/angular/cli/src/utilities/package-tree.ts
+++ /dev/null
@@ -1,86 +0,0 @@
-/**
- * @license
- * Copyright Google LLC All Rights Reserved.
- *
- * Use of this source code is governed by an MIT-style license that can be
- * found in the LICENSE file at https://angular.dev/license
- */
-
-import * as fs from 'node:fs';
-import { dirname, join } from 'node:path';
-import * as resolve from 'resolve';
-import { NgAddSaveDependency } from './package-metadata';
-
-interface PackageJson {
-  name: string;
-  version: string;
-  dependencies?: Record<string, string>;
-  devDependencies?: Record<string, string>;
-  peerDependencies?: Record<string, string>;
-  optionalDependencies?: Record<string, string>;
-  'ng-update'?: {
-    migrations?: string;
-  };
-  'ng-add'?: {
-    save?: NgAddSaveDependency;
-  };
-}
-
-function getAllDependencies(pkg: PackageJson): Set<[string, string]> {
-  return new Set([
-    ...Object.entries(pkg.dependencies || []),
-    ...Object.entries(pkg.devDependencies || []),
-    ...Object.entries(pkg.peerDependencies || []),
-    ...Object.entries(pkg.optionalDependencies || []),
-  ]);
-}
-
-export interface PackageTreeNode {
-  name: string;
-  version: string;
-  path: string;
-  package: PackageJson | undefined;
-}
-
-export async function readPackageJson(packageJsonPath: string): Promise<PackageJson | undefined> {
-  try {
-    return JSON.parse((await fs.promises.readFile(packageJsonPath)).toString()) as PackageJson;
-  } catch {
-    return undefined;
-  }
-}
-
-export function findPackageJson(workspaceDir: string, packageName: string): string | undefined {
-  try {
-    // avoid require.resolve here, see: https://github.com/angular/angular-cli/pull/18610#issuecomment-681980185
-    const packageJsonPath = resolve.sync(`${packageName}/package.json`, { basedir: workspaceDir });
-
-    return packageJsonPath;
-  } catch {
-    return undefined;
-  }
-}
-
-export async function getProjectDependencies(dir: string): Promise<Map<string, PackageTreeNode>> {
-  const pkg = await readPackageJson(join(dir, 'package.json'));
-  if (!pkg) {
-    throw new Error('Could not find package.json');
-  }
-
-  const results = new Map<string, PackageTreeNode>();
-  for (const [name, version] of getAllDependencies(pkg)) {
-    const packageJsonPath = findPackageJson(dir, name);
-    if (!packageJsonPath) {
-      continue;
-    }
-
-    results.set(name, {
-      name,
-      version,
-      path: dirname(packageJsonPath),
-      package: await readPackageJson(packageJsonPath),
-    });
-  }
-
-  return results;
-}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 1d26335523ed..f9ca5563c6c9 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -145,9 +145,6 @@ importers:
       '@types/progress':
         specifier: ^2.0.3
         version: 2.0.7
-      '@types/resolve':
-        specifier: ^1.17.1
-        version: 1.20.6
       '@types/semver':
         specifier: ^7.3.12
         version: 7.7.1
@@ -492,9 +489,6 @@ importers:
       parse5-html-rewriting-stream:
         specifier: 8.0.0
         version: 8.0.0
-      resolve:
-        specifier: 1.22.11
-        version: 1.22.11
       semver:
         specifier: 7.7.3
         version: 7.7.3
@@ -3624,9 +3618,6 @@ packages:
   '@types/resolve@1.20.2':
     resolution: {integrity: sha512-60BCwRFOZCQhDncwQdxxeOEEkbc5dIMccYLwbxsS4TUNeVECQ/pBJ0j09mrHOl/JJvpRPGwO9SvE4nR2Nb/a4Q==}
 
-  '@types/resolve@1.20.6':
-    resolution: {integrity: sha512-A4STmOXPhMUtHH+S6ymgE2GiBSMqf4oTvcQZMcHzokuTLVYzXTB8ttjcgxOVaAp2lGwEdzZ0J+cRbbeevQj1UQ==}
-
   '@types/responselike@1.0.0':
     resolution: {integrity: sha512-85Y2BjiufFzaMIlvJDvTTB8Fxl2xfLo4HgmHzVBz08w4wDePCTjYw66PdrolO0kzli3yam/YCgRufyo1DdQVTA==}
 
@@ -12187,8 +12178,6 @@ snapshots:
 
   '@types/resolve@1.20.2': {}
 
-  '@types/resolve@1.20.6': {}
-
   '@types/responselike@1.0.0':
     dependencies:
       '@types/node': 22.19.3