diff --git a/src/vs/platform/configuration/common/configuration.ts b/src/vs/platform/configuration/common/configuration.ts
index 8d8472df4eb53..c12b9bac4a011 100644
--- a/src/vs/platform/configuration/common/configuration.ts
+++ b/src/vs/platform/configuration/common/configuration.ts
@@ -297,19 +297,6 @@ export function merge(base: any, add: any, overwrite: boolean): void {
 	});
 }
 
-export function getMigratedSettingValue<T>(configurationService: IConfigurationService, currentSettingName: string, legacySettingName: string): T {
-	const setting = configurationService.inspect<T>(currentSettingName);
-	const legacySetting = configurationService.inspect<T>(legacySettingName);
-
-	if (typeof setting.userValue !== 'undefined' || typeof setting.workspaceValue !== 'undefined' || typeof setting.workspaceFolderValue !== 'undefined') {
-		return setting.value!;
-	} else if (typeof legacySetting.userValue !== 'undefined' || typeof legacySetting.workspaceValue !== 'undefined' || typeof legacySetting.workspaceFolderValue !== 'undefined') {
-		return legacySetting.value!;
-	} else {
-		return setting.defaultValue!;
-	}
-}
-
 export function getLanguageTagSettingPlainKey(settingKey: string) {
 	return settingKey.replace(/[\[\]]/g, '');
 }
diff --git a/src/vs/platform/update/electron-main/abstractUpdateService.ts b/src/vs/platform/update/electron-main/abstractUpdateService.ts
index 0658b1981419a..63ef7d614c000 100644
--- a/src/vs/platform/update/electron-main/abstractUpdateService.ts
+++ b/src/vs/platform/update/electron-main/abstractUpdateService.ts
@@ -6,7 +6,7 @@
 import { timeout } from 'vs/base/common/async';
 import { CancellationToken } from 'vs/base/common/cancellation';
 import { Emitter, Event } from 'vs/base/common/event';
-import { getMigratedSettingValue, IConfigurationService } from 'vs/platform/configuration/common/configuration';
+import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
 import { IEnvironmentMainService } from 'vs/platform/environment/electron-main/environmentMainService';
 import { ILifecycleMainService } from 'vs/platform/lifecycle/electron-main/lifecycleMainService';
 import { ILogService } from 'vs/platform/log/common/log';
@@ -74,7 +74,7 @@ export abstract class AbstractUpdateService implements IUpdateService {
 			return;
 		}
 
-		const updateMode = this.getUpdateMode();
+		const updateMode = this.configurationService.getValue<'none' | 'manual' | 'start' | 'default'>('update.mode');
 		const quality = this.getProductQuality(updateMode);
 
 		if (!quality) {
@@ -106,10 +106,6 @@ export abstract class AbstractUpdateService implements IUpdateService {
 		}
 	}
 
-	protected getUpdateMode(): 'none' | 'manual' | 'start' | 'default' {
-		return getMigratedSettingValue<'none' | 'manual' | 'start' | 'default'>(this.configurationService, 'update.mode', 'update.channel');
-	}
-
 	private getProductQuality(updateMode: string): string | undefined {
 		return updateMode === 'none' ? undefined : this.productService.quality;
 	}
@@ -188,7 +184,7 @@ export abstract class AbstractUpdateService implements IUpdateService {
 			return undefined;
 		}
 
-		const mode = await this.getUpdateMode();
+		const mode = this.configurationService.getValue<'none' | 'manual' | 'start' | 'default'>('update.mode');
 
 		if (mode === 'none') {
 			return false;