diff --git a/website/common/script/content/constants/animalSetAchievements.js b/website/common/script/content/constants/animalSetAchievements.js
index f9591aceea..55e89301c4 100644
--- a/website/common/script/content/constants/animalSetAchievements.js
+++ b/website/common/script/content/constants/animalSetAchievements.js
@@ -41,21 +41,6 @@ const ANIMAL_SET_ACHIEVEMENTS = {
     achievementKey: 'domesticated',
     notificationType: 'ACHIEVEMENT_DOMESTICATED',
   },
-  birdsOfAFeather: {
-    type: 'pet',
-    species: [
-      'FlyingPig',
-      'Owl',
-      'Parrot',
-      'Pterodactyl',
-      'Gryphon',
-      'Falcon',
-      'Rooster',
-      'Peacock',
-    ],
-    achievementKey: 'birdsOfAFeather',
-    notificationType: 'ACHIEVEMENT_BIRDS_OF_A_FEATHER',
-  },
   zodiacZookeeper: {
     type: 'pet',
     species: [