diff --git a/src/vs/workbench/api/node/extHost.protocol.ts b/src/vs/workbench/api/node/extHost.protocol.ts
index 4e89be37fedfb19e9b5e09e77eeb8caf03c88fcd..e2027c4815f75bd7e9e2b1621d21ff8e59f55094 100644
--- a/src/vs/workbench/api/node/extHost.protocol.ts
+++ b/src/vs/workbench/api/node/extHost.protocol.ts
@@ -56,7 +56,6 @@ export interface IEnvironment {
 	appRoot: string;
 	appSettingsHome: string;
 	disableExtensions: boolean;
-	userExtensionsHome: string;
 	extensionDevelopmentPath: string;
 	extensionTestsPath: string;
 }
diff --git a/src/vs/workbench/services/extensions/electron-browser/extensionHost.ts b/src/vs/workbench/services/extensions/electron-browser/extensionHost.ts
index 045e78f0c5281d65df9929441dc962ffe646e580..f6caeb161b46994251fd9a17214a28f3b132d4e4 100644
--- a/src/vs/workbench/services/extensions/electron-browser/extensionHost.ts
+++ b/src/vs/workbench/services/extensions/electron-browser/extensionHost.ts
@@ -369,7 +369,6 @@ export class ExtensionHostProcessWorker {
 					appRoot: this._environmentService.appRoot,
 					appSettingsHome: this._environmentService.appSettingsHome,
 					disableExtensions: this._environmentService.disableExtensions,
-					userExtensionsHome: this._environmentService.extensionsPath,
 					extensionDevelopmentPath: this._environmentService.extensionDevelopmentPath,
 					extensionTestsPath: this._environmentService.extensionTestsPath,
 					// globally disable proposed api when built and not insiders developing extensions