diff --git a/src/components/Main/MainView/MessagesScroller/composables/useMessagesFetcher.ts b/src/components/Main/MainView/MessagesScroller/composables/useMessagesFetcher.ts
index e5aa41904..0a3ee9a5f 100644
--- a/src/components/Main/MainView/MessagesScroller/composables/useMessagesFetcher.ts
+++ b/src/components/Main/MainView/MessagesScroller/composables/useMessagesFetcher.ts
@@ -75,19 +75,6 @@ const useMessageFetcher = (
     lastLoadingDirection.value = 'latest'
   }
 
-  const sortMessages = async (messageIdsParam: ref<MessageId[]>) => {
-    Promise.all(messageIdsParam.value.map((id) => fetchMessage(id))).then(
-      (messages) => messages.map((m: Message) => {return { id:m.id, createdAt: new Date(m.createdAt)} })
-    ).then((messages) => {
-      messages.sort((a, b) => {
-        if (a.createdAt < b.createdAt) { return -1; }
-        if (a.createdAt > b.createdAt) { return 1; }
-        return 0;
-      })
-      return messages.map((m) => m.id)
-    })
-  }
-
   const onLoadFormerMessagesRequest = async () => {
     if (isReachedEnd.value) {
       return
@@ -198,7 +185,6 @@ const useMessageFetcher = (
     // https://github.com/traPtitech/traQ_S-UI/issues/1748
     if (messageIds.value.includes(messageId)) return
     messageIds.value.push(messageId)
-    messageIds.value = await sortMessages(messageIds.value)
   }
 
   const init = () => {