diff --git a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/data/proto/Common.kt b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/data/proto/Common.kt
deleted file mode 100644
index ec8fa0e6c..000000000
--- a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/data/proto/Common.kt
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Copyright 2020 Mamoe Technologies and contributors.
- *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
- *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
- */
-
-import kotlinx.serialization.SerialId
-import kotlinx.serialization.Serializable
-import net.mamoe.mirai.qqandroid.io.ProtoBuf
-
-@Serializable
-class Common : ProtoBuf {
-    @Serializable
-    class BindInfo(
-        @SerialId(1) val friUin: Long = 0L,
-        @SerialId(2) val friNick: String = "",
-        @SerialId(3) val time: Long = 0L,
-        @SerialId(4) val bindStatus: Int = 0
-    ) : ProtoBuf
-
-    @Serializable
-    class MedalInfo(
-        @SerialId(1) val id: Int = 0,
-        @SerialId(2) val type: Int = 0,
-        @SerialId(4) val seq: Long = 0,
-        @SerialId(5) val name: String = "",
-        @SerialId(6) val newflag: Int = 0,
-        @SerialId(7) val time: Long = 0L,
-        @SerialId(8) val msgBindFri: Common.BindInfo? = null,
-        @SerialId(11) val desc: String = "",
-        @SerialId(31) val level: Int = 0,
-        @SerialId(36) val taskinfos: List<Common.MedalTaskInfo>? = null,
-        @SerialId(40) val point: Int = 0,
-        @SerialId(41) val pointLevel2: Int = 0,
-        @SerialId(42) val pointLevel3: Int = 0,
-        @SerialId(43) val seqLevel2: Long = 0,
-        @SerialId(44) val seqLevel3: Long = 0,
-        @SerialId(45) val timeLevel2: Long = 0L,
-        @SerialId(46) val timeLevel3: Long = 0L,
-        @SerialId(47) val descLevel2: String = "",
-        @SerialId(48) val descLevel3: String = "",
-        @SerialId(49) val endtime: Int = 0,
-        @SerialId(50) val detailUrl: String = "",
-        @SerialId(51) val detailUrl2: String = "",
-        @SerialId(52) val detailUrl3: String = "",
-        @SerialId(53) val taskDesc: String = "",
-        @SerialId(54) val taskDesc2: String = "",
-        @SerialId(55) val taskDesc3: String = "",
-        @SerialId(56) val levelCount: Int = 0,
-        @SerialId(57) val noProgress: Int = 0,
-        @SerialId(58) val resource: String = "",
-        @SerialId(59) val fromuinLevel: Int = 0,
-        @SerialId(60) val unread: Int = 0,
-        @SerialId(61) val unread2: Int = 0,
-        @SerialId(62) val unread3: Int = 0
-    ) : ProtoBuf
-
-    @Serializable
-    class MedalTaskInfo(
-        @SerialId(1) val taskid: Int = 0,
-        @SerialId(32) val int32TaskValue: Int = 0,
-        @SerialId(33) val tarValue: Int = 0,
-        @SerialId(34) val tarValueLevel2: Int = 0,
-        @SerialId(35) val tarValueLevel3: Int = 0
-    ) : ProtoBuf
-}