diff --git a/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/JSON.kt b/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/JSON.kt
index 45bc692189..b2bcc701e5 100644
--- a/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/JSON.kt
+++ b/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/JSON.kt
@@ -3,6 +3,7 @@ package com.github.insanusmokrassar.TelegramBotAPI.utils
 import kotlinx.serialization.*
 import kotlinx.serialization.json.*
 
+@Deprecated("This method can throw exceptions")
 @ImplicitReflectionSerializer
 inline fun <reified T: Any> T.toJsonWithoutNulls(): JsonObject = Json.nonstrict.toJson(
     this