diff --git a/app/assets/javascripts/discourse/app/pre-initializers/sniff-capabilities.js b/app/assets/javascripts/discourse/app/pre-initializers/sniff-capabilities.js
index a3a3f76153d..45d97e47380 100644
--- a/app/assets/javascripts/discourse/app/pre-initializers/sniff-capabilities.js
+++ b/app/assets/javascripts/discourse/app/pre-initializers/sniff-capabilities.js
@@ -46,7 +46,7 @@ export default {
       caps.hasContactPicker =
         "contacts" in navigator && "ContactsManager" in window;
 
-      caps.canVibrate = "vibrate" in navigator;
+      caps.canVibrate = "vibrate" in navigator && !caps.isFirefox; // Remove Firefox condition when https://arewefenixyet.com/ lands
     }
 
     // We consider high res a device with 1280 horizontal pixels. High DPI tablets like