diff --git a/src/browser/Terminal.ts b/src/browser/Terminal.ts
index a092e1bc..131774f1 100644
--- a/src/browser/Terminal.ts
+++ b/src/browser/Terminal.ts
@@ -729,10 +729,8 @@ export class Terminal extends CoreTerminal implements ITerminal {
 
       if (!(events & CoreMouseEventType.UP)) {
         this._document!.removeEventListener('mouseup', requestedEvents.mouseup!);
-        el.removeEventListener('mouseup', requestedEvents.mouseup!);
         requestedEvents.mouseup = null;
       } else if (!requestedEvents.mouseup) {
-        el.addEventListener('mouseup', eventListeners.mouseup);
         requestedEvents.mouseup = eventListeners.mouseup;
       }