diff --git a/src/vs/workbench/services/extensions/common/extensionHostManager.ts b/src/vs/workbench/services/extensions/common/extensionHostManager.ts
index 2a855c5ee83..88e8fd1d257 100644
--- a/src/vs/workbench/services/extensions/common/extensionHostManager.ts
+++ b/src/vs/workbench/services/extensions/common/extensionHostManager.ts
@@ -71,7 +71,6 @@ export class ExtensionHostManager extends Disposable implements IExtensionHostMa
 	private readonly _customers: IDisposable[];
 	private readonly _extensionHost: IExtensionHost;
 	private _proxy: Promise<IExtensionHostProxy | null> | null;
-	private _hasStarted = false;
 
 	public get pid(): number | null {
 		return this._extensionHost.pid;
@@ -116,7 +115,6 @@ export class ExtensionHostManager extends Disposable implements IExtensionHostMa
 
 		this._proxy = this._extensionHost.start().then(
 			(protocol) => {
-				this._hasStarted = true;
 
 				// Track healthy extension host startup
 				const successTelemetryEvent: ExtensionHostStartupEvent = {
@@ -321,10 +319,6 @@ export class ExtensionHostManager extends Disposable implements IExtensionHostMa
 	}
 
 	public activateByEvent(activationEvent: string, activationKind: ActivationKind): Promise<void> {
-		if (activationKind === ActivationKind.Immediate && !this._hasStarted) {
-			return Promise.resolve();
-		}
-
 		if (!this._cachedActivationEvents.has(activationEvent)) {
 			this._cachedActivationEvents.set(activationEvent, this._activateByEvent(activationEvent, activationKind));
 		}