diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/chat/room/service/ChatRoomService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/chat/room/service/ChatRoomService.kt
index 975310b..4a6ffad 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/chat/room/service/ChatRoomService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/chat/room/service/ChatRoomService.kt
@@ -458,7 +458,6 @@ class ChatRoomService(
 
                 val headers = HttpHeaders()
                 headers.set("x-api-key", apiKey)
-                headers.contentType = MediaType.APPLICATION_JSON
 
                 val httpEntity = HttpEntity(null, headers)