diff --git a/utils.go b/utils.go
index 7087ef6..59e408e 100644
--- a/utils.go
+++ b/utils.go
@@ -1,11 +1,7 @@
 package main
 
 import (
-	"encoding/json"
-	"fmt"
 	"log"
-
-	"github.com/Arman92/go-tdlib"
 )
 
 func failOnError(err error, msg string) {
@@ -19,33 +15,3 @@ func logOnError(err error, msg string) {
 		log.Printf("%s: %s", msg, err)
 	}
 }
-
-func unmarshalCallbackQueryPayload(msg []byte) (tdlib.CallbackQueryPayload, error) {
-	var rawMsg *json.RawMessage
-
-	rawMsg = byte(msg)
-
-	if rawMsg == nil {
-		return nil, nil
-	}
-	var objMap map[string]interface{}
-	err := json.Unmarshal(*rawMsg, &objMap)
-	if err != nil {
-		return nil, err
-	}
-
-	switch tdlib.CallbackQueryPayloadEnum(objMap["@type"].(string)) {
-	case tdlib.CallbackQueryPayloadDataType:
-		var callbackQueryPayloadData tdlib.CallbackQueryPayloadData
-		err := json.Unmarshal(*rawMsg, &callbackQueryPayloadData)
-		return &callbackQueryPayloadData, err
-
-	case tdlib.CallbackQueryPayloadGameType:
-		var callbackQueryPayloadGame tdlib.CallbackQueryPayloadGame
-		err := json.Unmarshal(*rawMsg, &callbackQueryPayloadGame)
-		return &callbackQueryPayloadGame, err
-
-	default:
-		return nil, fmt.Errorf("Error unmarshaling, unknown type:" + objMap["@type"].(string))
-	}
-}