diff --git a/browser/extensions/webcompat/about-compat/aboutCompat.css b/browser/extensions/webcompat/about-compat/aboutCompat.css
index 5cd844bdd8eb..8a81d622076c 100644
--- a/browser/extensions/webcompat/about-compat/aboutCompat.css
+++ b/browser/extensions/webcompat/about-compat/aboutCompat.css
@@ -11,10 +11,6 @@
     padding-bottom: 2em;
   }
 
-  .float-right {
-    float: inline-end;
-  }
-
   .hidden {
     display: none;
   }
diff --git a/mobile/android/extensions/webcompat/about-compat/aboutCompat.css b/mobile/android/extensions/webcompat/about-compat/aboutCompat.css
index ac352baaca69..8a81d622076c 100644
--- a/mobile/android/extensions/webcompat/about-compat/aboutCompat.css
+++ b/mobile/android/extensions/webcompat/about-compat/aboutCompat.css
@@ -11,10 +11,6 @@
     padding-bottom: 2em;
   }
 
-  .float-right {
-    float: right;
-  }
-
   .hidden {
     display: none;
   }