diff --git a/src/zen/common/styles/zen-panel-ui.css b/src/zen/common/styles/zen-panel-ui.css
index dcb790190..bcefa1ea9 100644
--- a/src/zen/common/styles/zen-panel-ui.css
+++ b/src/zen/common/styles/zen-panel-ui.css
@@ -20,20 +20,12 @@ panel[type='arrow'][animate='open'] {
       }
     }
   }
-  @media (-moz-platform: windows) and (not (-moz-windows-mica-popups)) {
+  @media (-moz-platform: linux) or ((-moz-platform: windows) and (not (-moz-windows-mica-popups))) {
     /* Mica popups have a weird background while the animation is running */
     &::part(content) {
       animation: zen-jello-animation 0.35s ease;
     }
   }
-
-  @media (-moz-platform: linux) {
-    /* Check https://github.com/zen-browser/desktop/issues/7633 as in
-     * to why we dont animate addons */
-    &:not(#customizationui-widget-panel)::part(content) {
-      animation: zen-jello-animation 0.35s ease;
-    }
-  }
 }
 
 panel[type='arrow'][animate]:not([animate='open']) {