diff --git a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/ContactImpl.kt b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/ContactImpl.kt
index 0e6cf8f53..f402a8c89 100644
--- a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/ContactImpl.kt
+++ b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/ContactImpl.kt
@@ -38,7 +38,6 @@ import net.mamoe.mirai.utils.io.toUHexString
 import kotlin.contracts.ExperimentalContracts
 import kotlin.contracts.contract
 import kotlin.coroutines.CoroutineContext
-import kotlin.jvm.JvmName
 import kotlin.jvm.JvmSynthetic
 import net.mamoe.mirai.qqandroid.network.protocol.data.jce.FriendInfo as JceFriendInfo
 
@@ -81,12 +80,6 @@ internal class QQImpl(
         return MessageReceipt(source, this, null)
     }
 
-    @JvmSynthetic
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    override suspend fun sendMessage(message: MessageChain): MessageReceipt<out QQ> {
-        return this.sendMessage(message as Message)
-    }
-
     @JvmSynthetic
     @OptIn(MiraiInternalAPI::class)
     override suspend fun uploadImage(image: ExternalImage): OfflineFriendImage = try {
@@ -241,12 +234,6 @@ internal class MemberImpl(
         return MessageReceipt(source, this, null)
     }
 
-    @JvmSynthetic
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    override suspend fun sendMessage(message: MessageChain): MessageReceipt<out QQ> {
-        return this.sendMessage(message as Message)
-    }
-
     @JvmSynthetic
     override suspend fun uploadImage(image: ExternalImage): OfflineFriendImage = qq.uploadImage(image)
     // endregion
@@ -647,13 +634,6 @@ internal class GroupImpl(
         return MessageReceipt(source, this, botAsMember)
     }
 
-    @JvmSynthetic
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    override suspend fun sendMessage(message: MessageChain): MessageReceipt<Group> {
-        return this.sendMessage(message as Message)
-    }
-
-
     @JvmSynthetic
     override suspend fun uploadImage(image: ExternalImage): OfflineGroupImage = try {
         if (BeforeImageUploadEvent(this, image).broadcast().isCancelled) {
diff --git a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/QQAndroidBot.kt b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/QQAndroidBot.kt
index 91458cd05..f02aec3ab 100644
--- a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/QQAndroidBot.kt
+++ b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/QQAndroidBot.kt
@@ -69,13 +69,6 @@ internal abstract class QQAndroidBotBase constructor(
         val json = Json(JsonConfiguration(ignoreUnknownKeys = true, encodeDefaults = true))
     }
 
-    @Deprecated(
-        "use friends instead",
-        level = DeprecationLevel.ERROR,
-        replaceWith = ReplaceWith("this.friends")
-    )
-    override val qqs: ContactList<QQ>
-        get() = friends
     override val friends: ContactList<QQ> = ContactList(LockFreeLinkedList())
 
     override val selfQQ: QQ by lazy {
diff --git a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/Bot.kt b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/Bot.kt
index e768f02aa..8e1a41537 100644
--- a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/Bot.kt
+++ b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/Bot.kt
@@ -77,33 +77,11 @@ actual abstract class Bot actual constructor() : CoroutineScope, LowLevelBotAPIA
 
     actual abstract val selfQQ: QQ
 
-    /**
-     * 机器人的好友列表. 它将与服务器同步更新
-     */
-    @Deprecated(
-        "use friends instead",
-        level = DeprecationLevel.ERROR,
-        replaceWith = ReplaceWith("this.friends")
-    )
-    actual abstract val qqs: ContactList<QQ>
-
     /**
      * 机器人的好友列表. 它将与服务器同步更新
      */
     actual abstract val friends: ContactList<QQ>
 
-    /**
-     * 获取一个好友或一个群.
-     */
-    @Deprecated(
-        "use getFriend or getGroup instead",
-        level = DeprecationLevel.ERROR,
-        replaceWith = ReplaceWith("this.qqs.getOrNull(id) ?: this.groups.getOrNull(id) ?: throw NoSuchElementException(\"contact id \$id\")")
-    )
-    actual operator fun get(id: Long): Contact {
-        return this.friends.getOrNull(id) ?: this.groups.getOrNull(id) ?: throw NoSuchElementException("contact id $id")
-    }
-
     /**
      * 判断是否有这个 id 的好友或群.
      * 在一些情况下这可能会造成歧义. 请考虑后使用.
diff --git a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Contact.kt b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Contact.kt
index 3846d7c95..bfae361d2 100644
--- a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Contact.kt
+++ b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Contact.kt
@@ -19,7 +19,6 @@ import net.mamoe.mirai.event.events.MessageSendEvent.FriendMessageSendEvent
 import net.mamoe.mirai.event.events.MessageSendEvent.GroupMessageSendEvent
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Message
-import net.mamoe.mirai.message.data.MessageChain
 import net.mamoe.mirai.message.data.OfflineImage
 import net.mamoe.mirai.message.data.id
 import net.mamoe.mirai.utils.ExternalImage
@@ -66,10 +65,6 @@ actual abstract class Contact : CoroutineScope, ContactJavaHappyAPI() {
     @JvmSynthetic
     actual abstract suspend fun sendMessage(message: Message): MessageReceipt<out Contact>
 
-    @JvmSynthetic
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    actual abstract suspend fun sendMessage(message: MessageChain): MessageReceipt<out Contact>
-
     /**
      * 上传一个图片以备发送.
      *
diff --git a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Group.kt b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Group.kt
index fd19d53cd..bd976661d 100644
--- a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Group.kt
+++ b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Group.kt
@@ -17,7 +17,6 @@ import net.mamoe.mirai.event.events.MessageSendEvent.FriendMessageSendEvent
 import net.mamoe.mirai.event.events.MessageSendEvent.GroupMessageSendEvent
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Message
-import net.mamoe.mirai.message.data.MessageChain
 import net.mamoe.mirai.message.data.OfflineGroupImage
 import net.mamoe.mirai.utils.ExternalImage
 import net.mamoe.mirai.utils.MiraiExperimentalAPI
@@ -181,10 +180,6 @@ actual abstract class Group : Contact(), CoroutineScope {
     @JvmSynthetic
     actual abstract override suspend fun sendMessage(message: Message): MessageReceipt<Group>
 
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    @JvmSynthetic
-    actual abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<Group>
-
     /**
      * 上传一个图片以备发送.
      *
diff --git a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Member.kt b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Member.kt
index 244d60d8a..5c8ed9d37 100644
--- a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Member.kt
+++ b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Member.kt
@@ -18,7 +18,6 @@ import net.mamoe.mirai.event.events.MessageSendEvent.FriendMessageSendEvent
 import net.mamoe.mirai.event.events.MessageSendEvent.GroupMessageSendEvent
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Message
-import net.mamoe.mirai.message.data.MessageChain
 import net.mamoe.mirai.utils.MiraiInternalAPI
 import net.mamoe.mirai.utils.WeakRefProperty
 
@@ -33,12 +32,14 @@ actual abstract class Member : MemberJavaHappyAPI() {
      */
     @WeakRefProperty
     actual abstract val group: Group
+
     /**
      * 成员的权限, 动态更新.
      *
      * @see MemberPermissionChangeEvent 权限变更事件. 由群主或机器人的操作触发.
      */
     actual abstract val permission: MemberPermission
+
     /**
      * 群名片. 可能为空.
      *
@@ -52,6 +53,7 @@ actual abstract class Member : MemberJavaHappyAPI() {
      * @throws PermissionDeniedException 无权限修改时
      */
     actual abstract var nameCard: String
+
     /**
      * 群头衔.
      *
@@ -63,6 +65,7 @@ actual abstract class Member : MemberJavaHappyAPI() {
      * @throws PermissionDeniedException 无权限修改时
      */
     actual abstract var specialTitle: String
+
     /**
      * 被禁言剩余时长. 单位为秒.
      *
@@ -118,10 +121,6 @@ actual abstract class Member : MemberJavaHappyAPI() {
     @JvmSynthetic
     actual abstract override suspend fun sendMessage(message: Message): MessageReceipt<Member>
 
-    @JvmSynthetic
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    actual abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<out QQ>
-
     /**
      * 踢出该成员.
      *
diff --git a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/QQ.kt b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/QQ.kt
index 6579d9669..16c623883 100644
--- a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/QQ.kt
+++ b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/QQ.kt
@@ -14,7 +14,6 @@ import net.mamoe.mirai.event.events.MessageSendEvent.FriendMessageSendEvent
 import net.mamoe.mirai.event.events.MessageSendEvent.GroupMessageSendEvent
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Message
-import net.mamoe.mirai.message.data.MessageChain
 import net.mamoe.mirai.message.data.OfflineFriendImage
 import net.mamoe.mirai.utils.ExternalImage
 import net.mamoe.mirai.utils.MiraiExperimentalAPI
@@ -90,10 +89,6 @@ actual abstract class QQ : Contact(), CoroutineScope {
     @JvmSynthetic
     actual abstract override suspend fun sendMessage(message: Message): MessageReceipt<out QQ>
 
-    @JvmSynthetic
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    actual abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<out QQ>
-
     /**
      * 上传一个图片以备发送.
      *
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/Bot.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/Bot.kt
index a6b131f0b..100a169de 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/Bot.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/Bot.kt
@@ -98,32 +98,11 @@ expect abstract class Bot() : CoroutineScope, LowLevelBotAPIAccessor {
      */
     abstract val selfQQ: QQ
 
-    /**
-     * 机器人的好友列表. 它将与服务器同步更新
-     */
-    @Deprecated(
-        "use friends instead",
-        level = DeprecationLevel.ERROR,
-        replaceWith = ReplaceWith("this.friends")
-    )
-    abstract val qqs: ContactList<QQ>
-
     /**
      * 机器人的好友列表. 它将与服务器同步更新
      */
     abstract val friends: ContactList<QQ>
 
-    /**
-     * 获取一个好友或一个群.
-     * 在一些情况下这可能会造成歧义. 请考虑后使用.
-     */
-    @Deprecated(
-        "use getFriend or getGroup instead",
-        level = DeprecationLevel.ERROR,
-        replaceWith = ReplaceWith("this.qqs.getOrNull(id) ?: this.groups.getOrNull(id) ?: throw NoSuchElementException(\"contact id \$id\")")
-    )
-    operator fun get(id: Long): Contact
-
     /**
      * 判断是否有这个 id 的好友或群.
      */
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/BotImpl.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/BotImpl.kt
index b821cd54c..053b81be6 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/BotImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/BotImpl.kt
@@ -52,6 +52,7 @@ abstract class BotImpl<N : BotNetworkHandler> constructor(
     @OptIn(RawAccountIdUse::class)
     override val uin: Long
         get() = this.account.id
+
     final override val logger: MiraiLogger by lazy { configuration.botLoggerSupplier(this) }
 
     init {
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Contact.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Contact.kt
index 21b242a37..a2d2a1e52 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Contact.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Contact.kt
@@ -69,10 +69,6 @@ expect abstract class Contact() : CoroutineScope, ContactJavaHappyAPI {
     @JvmSynthetic
     abstract suspend fun sendMessage(message: Message): MessageReceipt<out Contact>
 
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    @JvmSynthetic
-    abstract suspend fun sendMessage(message: MessageChain): MessageReceipt<out Contact>
-
     /**
      * 上传一个图片以备发送.
      *
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/ContactList.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/ContactList.kt
index a1ad294b5..61f19826c 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/ContactList.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/ContactList.kt
@@ -33,8 +33,6 @@ class ContactList<C : Contact>(@MiraiInternalAPI val delegate: LockFreeLinkedLis
 
     operator fun get(id: Long): C = delegate[id]
     fun getOrNull(id: Long): C? = delegate.getOrNull(id)
-    @Deprecated("Use contains instead", ReplaceWith("contains(id)"))
-    fun containsId(id: Long): Boolean = contains(id)
 
     val size: Int get() = delegate.size
     operator fun contains(element: C): Boolean = delegate.contains(element)
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Group.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Group.kt
index 7eb8bcdb3..5cbc18928 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Group.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Group.kt
@@ -19,7 +19,6 @@ import net.mamoe.mirai.event.events.MessageSendEvent.FriendMessageSendEvent
 import net.mamoe.mirai.event.events.MessageSendEvent.GroupMessageSendEvent
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Message
-import net.mamoe.mirai.message.data.MessageChain
 import net.mamoe.mirai.message.data.OfflineGroupImage
 import net.mamoe.mirai.utils.ExternalImage
 import net.mamoe.mirai.utils.MiraiExperimentalAPI
@@ -181,10 +180,6 @@ expect abstract class Group() : Contact, CoroutineScope {
     @JvmSynthetic
     abstract override suspend fun sendMessage(message: Message): MessageReceipt<Group>
 
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    @JvmSynthetic
-    abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<Group>
-
     /**
      * 上传一个图片以备发送.
      *
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Member.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Member.kt
index 33f9473eb..54a5c574a 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Member.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Member.kt
@@ -16,7 +16,6 @@ import net.mamoe.mirai.JavaHappyAPI
 import net.mamoe.mirai.event.events.*
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Message
-import net.mamoe.mirai.message.data.MessageChain
 import net.mamoe.mirai.utils.MiraiInternalAPI
 import net.mamoe.mirai.utils.WeakRefProperty
 import kotlin.jvm.JvmSynthetic
@@ -143,11 +142,6 @@ expect abstract class Member() : MemberJavaHappyAPI {
      */
     @JvmSynthetic
     abstract override suspend fun sendMessage(message: Message): MessageReceipt<Member>
-
-    @JvmSynthetic
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<out QQ>
-
 }
 
 /**
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/QQ.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/QQ.kt
index 268906222..81956420e 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/QQ.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/QQ.kt
@@ -23,7 +23,6 @@ import net.mamoe.mirai.event.events.MessageSendEvent.FriendMessageSendEvent
 import net.mamoe.mirai.event.events.MessageSendEvent.GroupMessageSendEvent
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Message
-import net.mamoe.mirai.message.data.MessageChain
 import net.mamoe.mirai.message.data.OfflineFriendImage
 import net.mamoe.mirai.utils.ExternalImage
 import net.mamoe.mirai.utils.MiraiExperimentalAPI
@@ -99,10 +98,6 @@ expect abstract class QQ() : Contact, CoroutineScope {
     @JvmSynthetic
     abstract override suspend fun sendMessage(message: Message): MessageReceipt<out QQ>
 
-    @JvmSynthetic
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<out QQ>
-
     /**
      * 上传一个图片以备发送.
      *
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/internal/InternalEventListeners.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/internal/InternalEventListeners.kt
index cd406b5ed..bd1369c22 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/internal/InternalEventListeners.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/internal/InternalEventListeners.kt
@@ -35,14 +35,6 @@ fun <L : Listener<E>, E : Event> KClass<out E>.subscribeInternal(listener: L): L
     return listener
 }
 
-@PublishedApi
-@Suppress("FunctionName", "unused")
-@Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-internal fun <E : Event> CoroutineScope.Handler(
-    coroutineContext: CoroutineContext,
-    handler: suspend (E) -> ListeningStatus
-): Handler<E> = Handler(coroutineContext, concurrencyKind = Listener.ConcurrencyKind.LOCKED, handler = handler)
-
 @PublishedApi
 @Suppress("FunctionName")
 internal fun <E : Event> CoroutineScope.Handler(
@@ -68,15 +60,6 @@ internal class Handler<in E : Event>
 ) :
     Listener<E>, CompletableJob by Job(parentJob) {
 
-    @Suppress("unused")
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    @PublishedApi
-    internal constructor(
-        parentJob: Job?,
-        subscriberContext: CoroutineContext,
-        handler: suspend (E) -> ListeningStatus
-    ) : this(parentJob, subscriberContext, handler, Listener.ConcurrencyKind.LOCKED)
-
     @MiraiInternalAPI
     val lock: Mutex? = when (concurrencyKind) {
         Listener.ConcurrencyKind.CONCURRENT -> null
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/Image.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/Image.kt
index 7c5ef0aa1..f48eb3252 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/Image.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/Image.kt
@@ -115,7 +115,6 @@ suspend fun Image.queryUrl(): String {
  * 不能直接获取它在服务器上的链接. 需要通过 [Bot.queryImageUrl] 查询
  *
  * 一般由 [Contact.uploadImage] 得到
- * @see queryOriginUrl
  */
 interface OfflineImage : Image {
     companion object Key : Message.Key<OfflineImage>
@@ -130,9 +129,6 @@ suspend fun OfflineImage.queryUrl(): String {
     return BotImpl.instances.peekFirst().get()?.queryImageUrl(this) ?: error("No Bot available to query image url")
 }
 
-@Deprecated("use queryUrl() instead", ReplaceWith("queryUrl()"), level = DeprecationLevel.ERROR)
-@JvmSynthetic
-suspend inline fun OfflineImage.queryOriginUrl(): String = queryUrl()
 // endregion 离线图片
 
 // region 群图片
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/RichMessage.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/RichMessage.kt
index c5104b3d0..26e49d506 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/RichMessage.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/RichMessage.kt
@@ -182,13 +182,4 @@ class XmlMessageBuilder(
             this.builder.append("<picture cover='$coverUrl'/>")
         }
     }
-}
-
-@Deprecated(
-    "for source compatibility",
-    replaceWith = ReplaceWith("RichMessage.Templates", "net.mamoe.mirai.message.data.RichMessage"),
-    level = DeprecationLevel.ERROR
-)
-@Suppress("unused")
-// in bytecode it's public
-internal typealias XmlMessageHelper = RichMessage.Templates
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/Bot.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/Bot.kt
index 8024b87ac..7a266a180 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/Bot.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/Bot.kt
@@ -87,33 +87,11 @@ actual abstract class Bot actual constructor() : CoroutineScope, LowLevelBotAPIA
 
     actual abstract val selfQQ: QQ
 
-    /**
-     * 机器人的好友列表. 它将与服务器同步更新
-     */
-    @Deprecated(
-        "use friends instead",
-        level = DeprecationLevel.ERROR,
-        replaceWith = ReplaceWith("this.friends")
-    )
-    actual abstract val qqs: ContactList<QQ>
-
     /**
      * 机器人的好友列表. 它将与服务器同步更新
      */
     actual abstract val friends: ContactList<QQ>
 
-    /**
-     * 获取一个好友或一个群.
-     */
-    @Deprecated(
-        "use getFriend or getGroup instead",
-        level = DeprecationLevel.ERROR,
-        replaceWith = ReplaceWith("this.qqs.getOrNull(id) ?: this.groups.getOrNull(id) ?: throw NoSuchElementException(\"contact id \$id\")")
-    )
-    actual operator fun get(id: Long): Contact {
-        return this.friends.getOrNull(id) ?: this.groups.getOrNull(id) ?: throw NoSuchElementException("contact id $id")
-    }
-
     /**
      * 判断是否有这个 id 的好友或群.
      * 在一些情况下这可能会造成歧义. 请考虑后使用.
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Contact.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Contact.kt
index 76d0142be..c92d581c9 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Contact.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Contact.kt
@@ -19,7 +19,6 @@ import net.mamoe.mirai.event.events.MessageSendEvent.FriendMessageSendEvent
 import net.mamoe.mirai.event.events.MessageSendEvent.GroupMessageSendEvent
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Message
-import net.mamoe.mirai.message.data.MessageChain
 import net.mamoe.mirai.message.data.OfflineImage
 import net.mamoe.mirai.message.data.id
 import net.mamoe.mirai.utils.ExternalImage
@@ -62,13 +61,9 @@ actual abstract class Contact : CoroutineScope, ContactJavaHappyAPI() {
      *
      * @return 消息回执. 可 [引用回复][MessageReceipt.quote]（仅群聊）或 [撤回][MessageReceipt.recall] 这条消息.
      */
-    @JvmSynthetic
+    @JvmSynthetic //
     actual abstract suspend fun sendMessage(message: Message): MessageReceipt<out Contact>
 
-    @JvmSynthetic
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    actual abstract suspend fun sendMessage(message: MessageChain): MessageReceipt<out Contact>
-
     /**
      * 上传一个图片以备发送.
      *
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Group.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Group.kt
index 3db823e7b..9473443c2 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Group.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Group.kt
@@ -17,7 +17,6 @@ import net.mamoe.mirai.event.events.MessageSendEvent.FriendMessageSendEvent
 import net.mamoe.mirai.event.events.MessageSendEvent.GroupMessageSendEvent
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Message
-import net.mamoe.mirai.message.data.MessageChain
 import net.mamoe.mirai.message.data.OfflineGroupImage
 import net.mamoe.mirai.utils.ExternalImage
 import net.mamoe.mirai.utils.MiraiExperimentalAPI
@@ -182,10 +181,6 @@ actual abstract class Group : Contact(), CoroutineScope {
     @JvmSynthetic
     actual abstract override suspend fun sendMessage(message: Message): MessageReceipt<Group>
 
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    @JvmSynthetic
-    actual abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<Group>
-
     /**
      * 上传一个图片以备发送.
      *
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Member.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Member.kt
index 969fb151f..830174c39 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Member.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Member.kt
@@ -18,7 +18,6 @@ import net.mamoe.mirai.event.events.MessageSendEvent.FriendMessageSendEvent
 import net.mamoe.mirai.event.events.MessageSendEvent.GroupMessageSendEvent
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Message
-import net.mamoe.mirai.message.data.MessageChain
 import net.mamoe.mirai.utils.MiraiInternalAPI
 import net.mamoe.mirai.utils.WeakRefProperty
 
@@ -129,10 +128,6 @@ actual abstract class Member : MemberJavaHappyAPI() {
     @JvmSynthetic
     actual abstract override suspend fun sendMessage(message: Message): MessageReceipt<Member>
 
-    @JvmSynthetic
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    actual abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<out QQ>
-
     /**
      * 当且仅当 `[other] is [Member] && [other].id == this.id && [other].group == this.group` 时为 true
      */
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/QQ.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/QQ.kt
index 6579d9669..16c623883 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/QQ.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/QQ.kt
@@ -14,7 +14,6 @@ import net.mamoe.mirai.event.events.MessageSendEvent.FriendMessageSendEvent
 import net.mamoe.mirai.event.events.MessageSendEvent.GroupMessageSendEvent
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Message
-import net.mamoe.mirai.message.data.MessageChain
 import net.mamoe.mirai.message.data.OfflineFriendImage
 import net.mamoe.mirai.utils.ExternalImage
 import net.mamoe.mirai.utils.MiraiExperimentalAPI
@@ -90,10 +89,6 @@ actual abstract class QQ : Contact(), CoroutineScope {
     @JvmSynthetic
     actual abstract override suspend fun sendMessage(message: Message): MessageReceipt<out QQ>
 
-    @JvmSynthetic
-    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    actual abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<out QQ>
-
     /**
      * 上传一个图片以备发送.
      *