diff --git a/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/base/MultipartRequestCallFactory.kt b/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/base/MultipartRequestCallFactory.kt
index b4b992ab7f..de448f73dc 100644
--- a/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/base/MultipartRequestCallFactory.kt
+++ b/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/base/MultipartRequestCallFactory.kt
@@ -14,7 +14,6 @@ import io.ktor.http.*
 import kotlinx.serialization.ImplicitReflectionSerializer
 
 class MultipartRequestCallFactory : KtorCallFactory {
-    @ImplicitReflectionSerializer
     override suspend fun <T: Any> prepareCall(
         client: HttpClient,
         baseUrl: String,
diff --git a/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/base/SimpleRequestCallFactory.kt b/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/base/SimpleRequestCallFactory.kt
index 48b4d7e21a..93affbdd92 100644
--- a/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/base/SimpleRequestCallFactory.kt
+++ b/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/base/SimpleRequestCallFactory.kt
@@ -14,7 +14,6 @@ import io.ktor.http.content.TextContent
 import kotlinx.serialization.ImplicitReflectionSerializer
 
 class SimpleRequestCallFactory : KtorCallFactory {
-    @ImplicitReflectionSerializer
     override suspend fun <T: Any> prepareCall(
         client: HttpClient,
         baseUrl: String,