diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/network/protocol/tim/packet/PacketFactory.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/network/protocol/tim/packet/PacketFactory.kt
index c86a2fc79..d79ee4f22 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/network/protocol/tim/packet/PacketFactory.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/network/protocol/tim/packet/PacketFactory.kt
@@ -87,8 +87,5 @@ object UnknownPacketFactory : SessionPacketFactory<UnknownPacket>() {
 }
 
 object IgnoredPacketFactory : SessionPacketFactory<IgnoredPacket>() {
-    override suspend fun BotNetworkHandler<*>.handlePacket(packet: IgnoredPacket) {
-    }
-
     override suspend fun ByteReadPacket.decode(id: PacketId, sequenceId: UShort, handler: BotNetworkHandler<*>): IgnoredPacket = IgnoredPacket(id)
 }
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