diff --git a/src/vs/workbench/api/node/extHost.contribution.ts b/src/vs/workbench/api/node/extHost.contribution.ts
index 1399802772f..639227e8ee1 100644
--- a/src/vs/workbench/api/node/extHost.contribution.ts
+++ b/src/vs/workbench/api/node/extHost.contribution.ts
@@ -83,7 +83,6 @@ export class ExtHostContribution implements IWorkbenchContribution {
 
 		// Other interested parties
 		create(MainProcessTextMateSyntax);
-		create(MainThreadConfiguration);
 		create(MainProcessTextMateSnippet);
 		create(JSONValidationExtensionPoint);
 		create(LanguageConfigurationFileHandler);