diff --git a/extensions/typescript-language-features/src/languageProvider.ts b/extensions/typescript-language-features/src/languageProvider.ts
index 4a49de42c46..320566f695f 100644
--- a/extensions/typescript-language-features/src/languageProvider.ts
+++ b/extensions/typescript-language-features/src/languageProvider.ts
@@ -94,7 +94,7 @@ export default class LanguageProvider extends Disposable {
 	}
 
 	public handles(resource: vscode.Uri, doc: vscode.TextDocument): boolean {
-		if (doc && this.description.modeIds.indexOf(doc.languageId) >= 0) {
+		if (this.description.modeIds.indexOf(doc.languageId) >= 0) {
 			return true;
 		}