diff --git a/src/vs/code/electron-main/app.ts b/src/vs/code/electron-main/app.ts
index fa278c08276..5b64a6cbb1d 100644
--- a/src/vs/code/electron-main/app.ts
+++ b/src/vs/code/electron-main/app.ts
@@ -1288,8 +1288,8 @@ export class CodeApplication extends Disposable {
 		const context = isLaunchedFromCli(process.env) ? OpenContext.CLI : OpenContext.DESKTOP;
 		const args = this.environmentMainService.args;
 
-		// Open sessions window if requested
-		if ((process as INodeProcess).isEmbeddedApp || args['sessions']) {
+		// Embedded app launches directly into the sessions window
+		if ((process as INodeProcess).isEmbeddedApp) {
 			return windowsMainService.openSessionsWindow({ context, contextWindowId: undefined });
 		}
 
diff --git a/src/vs/code/node/cli.ts b/src/vs/code/node/cli.ts
index e2aa3084c3f..8e29f492476 100644
--- a/src/vs/code/node/cli.ts
+++ b/src/vs/code/node/cli.ts
@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { ChildProcess, spawn, SpawnOptions, StdioOptions } from 'child_process';
-import { chmodSync, existsSync, readFileSync, readdirSync, statSync, truncateSync, unlinkSync } from 'fs';
+import { chmodSync, existsSync, readFileSync, statSync, truncateSync, unlinkSync } from 'fs';
 import { homedir, tmpdir } from 'os';
 import type { ProfilingSession, Target } from 'v8-inspect-profiler';
 import { Event } from '../../base/common/event.js';
@@ -500,23 +500,7 @@ export async function main(argv: string[]): Promise<void> {
 			//    focusing issues when the new instance only sends data to a previous instance and then closes.
 			const spawnArgs = ['-n', '-g'];
 			// -a opens the given application.
-			let appToLaunch = process.execPath;
-			if (args['sessions']) {
-				// process.execPath is e.g. /Applications/Code.app/Contents/MacOS/Electron
-				// Embedded app is at /Applications/Code.app/Contents/Applications/<EmbeddedApp>.app
-				const contentsPath = dirname(dirname(process.execPath));
-				const applicationsPath = join(contentsPath, 'Applications');
-				const embeddedApp = existsSync(applicationsPath) && readdirSync(applicationsPath).find(f => f.endsWith('.app'));
-				if (embeddedApp) {
-					appToLaunch = join(applicationsPath, embeddedApp);
-					argv = argv.filter(arg => arg !== '--sessions');
-				} else {
-					console.error(`No embedded app found in: ${applicationsPath}`);
-					console.error('The --sessions flag requires an embedded app to be installed.');
-					return;
-				}
-			}
-			spawnArgs.push('-a', appToLaunch);
+			spawnArgs.push('-a', process.execPath); // -a: opens a specific application
 
 			if (args.verbose || args.status) {
 				spawnArgs.push('--wait-apps'); // `open --wait-apps`: blocks until the launched app is closed (even if they were already running)
diff --git a/src/vs/platform/environment/common/argv.ts b/src/vs/platform/environment/common/argv.ts
index 45cb23ba6f3..a10f4c9b3bb 100644
--- a/src/vs/platform/environment/common/argv.ts
+++ b/src/vs/platform/environment/common/argv.ts
@@ -53,7 +53,6 @@ export interface NativeParsedArgs {
 	goto?: boolean;
 	'new-window'?: boolean;
 	'reuse-window'?: boolean;
-	'sessions'?: boolean;
 	locale?: string;
 	'user-data-dir'?: string;
 	'prof-startup'?: boolean;
diff --git a/src/vs/platform/environment/node/argv.ts b/src/vs/platform/environment/node/argv.ts
index 6d00ad0ae09..35a833d5f90 100644
--- a/src/vs/platform/environment/node/argv.ts
+++ b/src/vs/platform/environment/node/argv.ts
@@ -99,7 +99,6 @@ export const OPTIONS: OptionDescriptions<Required<NativeParsedArgs>> = {
 	'goto': { type: 'boolean', cat: 'o', alias: 'g', args: 'file:line[:character]', description: localize('goto', "Open a file at the path on the specified line and character position.") },
 	'new-window': { type: 'boolean', cat: 'o', alias: 'n', description: localize('newWindow', "Force to open a new window.") },
 	'reuse-window': { type: 'boolean', cat: 'o', alias: 'r', description: localize('reuseWindow', "Force to open a file or folder in an already opened window.") },
-	'sessions': { type: 'boolean', cat: 'o', description: localize('sessions', "Opens the sessions window.") },
 	'wait': { type: 'boolean', cat: 'o', alias: 'w', description: localize('wait', "Wait for the files to be closed before returning.") },
 	'waitMarkerFilePath': { type: 'string' },
 	'locale': { type: 'string', cat: 'o', args: 'locale', description: localize('locale', "The locale to use (e.g. en-US or zh-TW).") },