diff --git a/CHANGELOG b/CHANGELOG
index 63f8347618ec937c5f2e0f104d5a696451709a26..bdc5685ed270dd57272458c14efefa735ff02bd6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -24,6 +24,7 @@ v 8.12.0 (unreleased)
   - Add `wiki_page_events` to project hook APIs (Ben Boeckel)
   - Remove Gitorious import
   - Fix inconsistent background color for filter input field (ClemMakesApps)
+  - Remove prefixes from transition CSS property (ClemMakesApps)
   - Add Sentry logging to API calls
   - Add BroadcastMessage API
   - Automatically expand hidden discussions when accessed by a permalink !5585 (Mike Greiling)
diff --git a/app/assets/stylesheets/framework/mixins.scss b/app/assets/stylesheets/framework/mixins.scss
index 396a37bab6e00896972a04e38d18dd0a64d85d8a..62dc2cb3fdc6923d3b314a7e9c3cdc50c91ae4d4 100644
--- a/app/assets/stylesheets/framework/mixins.scss
+++ b/app/assets/stylesheets/framework/mixins.scss
@@ -9,14 +9,6 @@
   border-radius: $radius;
 }
 
-@mixin transition($transition) {
-  -webkit-transition: $transition;
-  -moz-transition: $transition;
-  -ms-transition: $transition;
-  -o-transition: $transition;
-  transition: $transition;
-}
-
 /**
  * Prefilled mixins
  * Mixins with fixed values
diff --git a/app/assets/stylesheets/framework/selects.scss b/app/assets/stylesheets/framework/selects.scss
index b2e22b60440e4130185db46e4c141f7755d73f69..c75dacf95d9a80e856c4523a3d55950de1f1be9e 100644
--- a/app/assets/stylesheets/framework/selects.scss
+++ b/app/assets/stylesheets/framework/selects.scss
@@ -151,7 +151,7 @@
   background-position: right 0 bottom 6px;
   border: 1px solid $input-border;
   @include border-radius($border-radius-default);
-  @include transition(border-color ease-in-out .15s, box-shadow ease-in-out .15s);
+  transition: border-color ease-in-out 0.15s, box-shadow ease-in-out 0.15s;
 
   &:focus {
     border-color: $input-border-focus;
diff --git a/app/assets/stylesheets/pages/search.scss b/app/assets/stylesheets/pages/search.scss
index c9d436d72ba87cbb89f654b012413fd0c331b676..436fb00ba2e4322f33779d881c081f48812da172 100644
--- a/app/assets/stylesheets/pages/search.scss
+++ b/app/assets/stylesheets/pages/search.scss
@@ -80,7 +80,7 @@
 
     .search-icon {
       @extend .fa-search;
-      @include transition(color .15s);
+      transition: color 0.15s;
       -webkit-user-select: none;
       -moz-user-select: none;
       -ms-user-select: none;
@@ -125,7 +125,7 @@
     }
 
     .location-badge {
-      @include transition(all .15s);
+      transition: all 0.15s;
       background-color: $location-badge-active-bg;
       color: $white-light;
     }