diff --git a/src/vs/workbench/contrib/terminal/browser/xterm-private.d.ts b/src/vs/workbench/contrib/terminal/browser/xterm-private.d.ts
index 3edf8d4e81b..def513b7343 100644
--- a/src/vs/workbench/contrib/terminal/browser/xterm-private.d.ts
+++ b/src/vs/workbench/contrib/terminal/browser/xterm-private.d.ts
@@ -34,7 +34,3 @@ export interface IXtermCore {
 		_handleIntersectionChange: any;
 	};
 }
-
-export interface IEventEmitter<T> {
-	fire(e: T): void;
-}