diff --git a/lib/utils.ts b/lib/utils.ts
index 1345b2035..893f0c3ea 100644
--- a/lib/utils.ts
+++ b/lib/utils.ts
@@ -4,15 +4,13 @@ import path, { dirname } from 'node:path';
 import { fileURLToPath } from 'node:url';
 import { log } from './logger';
 import _ from 'lodash';
-import { WDA_RUNNER_BUNDLE_ID, PLATFORM_NAME_TVOS } from './constants';
+import { PLATFORM_NAME_TVOS } from './constants';
 import B from 'bluebird';
 import _fs from 'node:fs';
 import { waitForCondition } from 'asyncbox';
 import { arch } from 'node:os';
 import type { DeviceInfo } from './types';
 
-const PROJECT_FILE = 'project.pbxproj';
-
 // Get current filename - works in both CommonJS and ESM
 const currentFilename =
   typeof __filename !== 'undefined'
@@ -94,47 +92,6 @@ export function isTvOS (platformName: string): boolean {
   return _.toLower(platformName) === _.toLower(PLATFORM_NAME_TVOS);
 }
 
-/**
- * Update WebDriverAgentRunner project bundle ID with newBundleId.
- * This method assumes project file is in the correct state.
- * @param agentPath - Path to the .xcodeproj directory.
- * @param newBundleId the new bundle ID used to update.
- */
-export async function updateProjectFile (agentPath: string, newBundleId: string): Promise<void> {
-  const projectFilePath = path.resolve(agentPath, PROJECT_FILE);
-  try {
-    // Assuming projectFilePath is in the correct state, create .old from projectFilePath
-    await fs.copyFile(projectFilePath, `${projectFilePath}.old`);
-    await replaceInFile(projectFilePath, new RegExp(_.escapeRegExp(WDA_RUNNER_BUNDLE_ID), 'g'), newBundleId);
-    log.debug(`Successfully updated '${projectFilePath}' with bundle id '${newBundleId}'`);
-  } catch (err: any) {
-    log.debug(`Error updating project file: ${err.message}`);
-    log.warn(`Unable to update project file '${projectFilePath}' with ` +
-      `bundle id '${newBundleId}'. WebDriverAgent may not start`);
-  }
-}
-
-/**
- * Reset WebDriverAgentRunner project bundle ID to correct state.
- * @param agentPath - Path to the .xcodeproj directory.
- */
-export async function resetProjectFile (agentPath: string): Promise<void> {
-  const projectFilePath = path.join(agentPath, PROJECT_FILE);
-  try {
-    // restore projectFilePath from .old file
-    if (!await fs.exists(`${projectFilePath}.old`)) {
-      return; // no need to reset
-    }
-    await fs.mv(`${projectFilePath}.old`, projectFilePath);
-    log.debug(`Successfully reset '${projectFilePath}' with bundle id '${WDA_RUNNER_BUNDLE_ID}'`);
-  } catch (err: any) {
-    log.debug(`Error resetting project file: ${err.message}`);
-    log.warn(`Unable to reset project file '${projectFilePath}' with ` +
-      `bundle id '${WDA_RUNNER_BUNDLE_ID}'. WebDriverAgent has been ` +
-      `modified and not returned to the original state.`);
-  }
-}
-
 export async function setRealDeviceSecurity (keychainPath: string, keychainPassword: string): Promise<void> {
   log.debug('Setting security for iOS device');
   await exec('security', ['-v', 'list-keychains', '-s', keychainPath]);
@@ -382,12 +339,4 @@ async function getPIDsUsingPattern (pattern: string): Promise<string[]> {
   }
 }
 
-async function replaceInFile (file: string, find: string | RegExp, replace: string): Promise<void> {
-  const contents = await fs.readFile(file, 'utf8');
-
-  const newContents = contents.replace(find, replace);
-  if (newContents !== contents) {
-    await fs.writeFile(file, newContents, 'utf8');
-  }
-}
 
diff --git a/lib/webdriveragent.ts b/lib/webdriveragent.ts
index ba8dcf36c..e2061392a 100644
--- a/lib/webdriveragent.ts
+++ b/lib/webdriveragent.ts
@@ -355,7 +355,6 @@ export class WebDriverAgent {
       this.log.info('Shutting down sub-processes');
       if (this._xcodebuild) {
         await this.xcodebuild.quit();
-        await this.xcodebuild.reset();
       }
     } else {
       this.log.debug('Do not stop xcodebuild nor XCTest session ' +
diff --git a/lib/xcodebuild.ts b/lib/xcodebuild.ts
index fde24528a..3d5a4600d 100644
--- a/lib/xcodebuild.ts
+++ b/lib/xcodebuild.ts
@@ -6,8 +6,7 @@ import { log as defaultLogger } from './logger';
 import B from 'bluebird';
 import {
   setRealDeviceSecurity, setXctestrunFile,
-  updateProjectFile, resetProjectFile, killProcess,
-  getWDAUpgradeTimestamp, isTvOS
+  killProcess, getWDAUpgradeTimestamp, isTvOS
 } from './utils';
 import _ from 'lodash';
 import path from 'path';
@@ -135,7 +134,7 @@ export class XcodeBuild {
 
   /**
    * Initializes the XcodeBuild instance with a no-session proxy.
-   * Sets up xctestrun file if needed, or updates project bundle ID for real devices.
+   * Sets up xctestrun file if needed.
    * @param noSessionProxy - The proxy instance for WDA communication
    */
   async init (noSessionProxy: NoSessionProxy): Promise<void> {
@@ -157,19 +156,6 @@ export class XcodeBuild {
         });
       return;
     }
-
-    // if necessary, update the bundleId to user's specification
-    if (this.realDevice) {
-      // In case the project still has the user specific bundle ID, reset the project file first.
-      // - We do this reset even if updatedWDABundleId is not specified,
-      //   since the previous updatedWDABundleId test has generated the user specific bundle ID project file.
-      // - We don't call resetProjectFile for simulator,
-      //   since simulator test run will work with any user specific bundle ID.
-      await resetProjectFile(this.agentPath);
-      if (this.updatedWDABundleId) {
-        await updateProjectFile(this.agentPath, this.updatedWDABundleId);
-      }
-    }
   }
 
   /**
@@ -211,17 +197,6 @@ export class XcodeBuild {
     return await this._derivedDataPathPromise;
   }
 
-  /**
-   * Resets the project file to its original state.
-   * Restores the bundle ID to the original value for real devices if it was modified.
-   */
-  async reset (): Promise<void> {
-    // if necessary, reset the bundleId to original value
-    if (this.realDevice && this.updatedWDABundleId) {
-      await resetProjectFile(this.agentPath);
-    }
-  }
-
   /**
    * Pre-builds WebDriverAgent before launching tests.
    * Performs a build-only operation and sets usePrebuiltWDA flag.
@@ -360,7 +335,7 @@ export class XcodeBuild {
     }
     args.push('-destination', `id=${this.device.udid}`);
 
-    let versionMatch;
+    let versionMatch: RegExpMatchArray | null = null;
     if (this.platformVersion && (versionMatch = new RegExp(/^(\d+)\.(\d+)/).exec(this.platformVersion))) {
       args.push(
         `${isTvOS(this.platformName || '') ? 'TV' : 'IPHONE'}OS_DEPLOYMENT_TARGET=${versionMatch[1]}.${versionMatch[2]}`
@@ -383,6 +358,9 @@ export class XcodeBuild {
           `CODE_SIGN_IDENTITY=${this.xcodeSigningId}`,
         );
       }
+      if (this.updatedWDABundleId) {
+        args.push(`PRODUCT_BUNDLE_IDENTIFIER=${this.updatedWDABundleId}`);
+      }
     }
 
     if (!process.env.APPIUM_XCUITEST_TREAT_WARNINGS_AS_ERRORS) {