diff --git a/packages/backend/src/server/api/mastodon/endpoints/meta.ts b/packages/backend/src/server/api/mastodon/endpoints/meta.ts
index 809a9aa117..0a4ead16f3 100644
--- a/packages/backend/src/server/api/mastodon/endpoints/meta.ts
+++ b/packages/backend/src/server/api/mastodon/endpoints/meta.ts
@@ -89,7 +89,6 @@ export async function getInstance(response: Entity.Instance) {
 			discoverable: false,
 			group: false,
 			created_at: new Date().toISOString(),
-			createdAt: new Date().toISOString(),
 			note: "Please refer to the original instance for the actual admin contact.",
 			url: "/",
 			avatar: "/static-assets/badges/info.png",