diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatMember/abstracts/ChatMember.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatMember/abstracts/ChatMember.kt
index eba29e056f..b0d0a88171 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatMember/abstracts/ChatMember.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatMember/abstracts/ChatMember.kt
@@ -23,5 +23,4 @@ internal object ChatMemberDeserializationStrategy : DeserializationStrategy<Chat
     override val descriptor: SerialDescriptor = RawChatMember.serializer().descriptor
 
     override fun deserialize(decoder: Decoder): ChatMember = RawChatMember.serializer().deserialize(decoder).asChatMember
-    override fun patch(decoder: Decoder, old: ChatMember): ChatMember = error("ChatMember can't be patched")
 }
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/Message.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/Message.kt
index 43e1ac623d..2d45b0dba1 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/Message.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/Message.kt
@@ -26,8 +26,6 @@ internal class TelegramBotAPIMessageDeserializationStrategyClass<T> : Deserializ
     @InternalSerializationApi
     override val descriptor: SerialDescriptor = buildSerialDescriptor("TelegramBotAPIMessageSerializer", PolymorphicKind.OPEN)
 
-    override fun patch(decoder: Decoder, old: T): T = error("TelegramBotAPIMessageSerializer")
-
     @Suppress("UNCHECKED_CAST")
     override fun deserialize(decoder: Decoder): T {
         return RawMessage.serializer().deserialize(decoder).asMessage as T
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/abstracts/Update.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/abstracts/Update.kt
index 06853ce529..0ea6f4c49f 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/abstracts/Update.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/abstracts/Update.kt
@@ -47,6 +47,4 @@ object UpdateDeserializationStrategy : DeserializationStrategy<Update> {
             asJson
         )
     }
-
-    override fun patch(decoder: Decoder, old: Update): Update = error("Unsupported operation")
 }