diff --git a/app/assets/javascripts/discourse/app/instance-initializers/sniff-capabilities.js b/app/assets/javascripts/discourse/app/instance-initializers/sniff-capabilities.js
index 254ebc3d60a..a72b3edf935 100644
--- a/app/assets/javascripts/discourse/app/instance-initializers/sniff-capabilities.js
+++ b/app/assets/javascripts/discourse/app/instance-initializers/sniff-capabilities.js
@@ -16,9 +16,5 @@ export default {
     if (caps.isIOS) {
       html.classList.add("ios-device");
     }
-
-    if (caps.isTablet) {
-      html.classList.add("tablet-device");
-    }
   },
 };
diff --git a/app/assets/javascripts/discourse/app/services/capabilities.js b/app/assets/javascripts/discourse/app/services/capabilities.js
index 5564628b70c..109c2001e57 100644
--- a/app/assets/javascripts/discourse/app/services/capabilities.js
+++ b/app/assets/javascripts/discourse/app/services/capabilities.js
@@ -9,15 +9,6 @@ class Capabilities {
   isAndroid = ua.includes("Android");
   isWinphone = ua.includes("Windows Phone");
   isIpadOS = ua.includes("Mac OS") && !/iPhone|iPod/.test(ua) && this.touch;
-  isTabletScreen =
-    this.touch &&
-    ((window.innerWidth >= 600 && window.innerWidth <= 1280) ||
-      (window.innerHeight >= 600 && window.innerHeight <= 1280));
-  isTablet =
-    this.isTabletScreen ||
-    this.isIpadOS ||
-    /iPad|Android(?!.*Mobile)|Tablet/.test(ua);
-
   isIOS = (/iPhone|iPod/.test(ua) || this.isIpadOS) && !window.MSStream;
   isApple =
     APPLE_NAVIGATOR_PLATFORMS.test(navigator.platform) ||