diff --git a/ts/background.ts b/ts/background.ts
index 3fd96e3898..bd01fb746f 100644
--- a/ts/background.ts
+++ b/ts/background.ts
@@ -1301,15 +1301,6 @@ export async function startApp(): Promise<void> {
         }
       }
 
-      // Close window.Backbone-based confirmation dialog
-      if (window.Whisper.activeConfirmationView && key === 'Escape') {
-        window.Whisper.activeConfirmationView.remove();
-        window.Whisper.activeConfirmationView = null;
-        event.preventDefault();
-        event.stopPropagation();
-        return;
-      }
-
       // Send Escape to active conversation so it can close panels
       if (conversation && key === 'Escape') {
         conversation.trigger('escape-pressed');
diff --git a/ts/window.d.ts b/ts/window.d.ts
index 3e3b05de9c..a7c7bfc4bf 100644
--- a/ts/window.d.ts
+++ b/ts/window.d.ts
@@ -503,7 +503,6 @@ export type WhisperType = {
   deliveryReceiptQueue: PQueue;
   deliveryReceiptBatcher: BatcherType<Receipt>;
   events: Backbone.Events;
-  activeConfirmationView: WhatIsThis;
 
   // Backbone views