diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeService.kt
index a4d7f67..31e9310 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeService.kt
@@ -2,7 +2,6 @@ package kr.co.vividnext.sodalive.can.charge
 
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.google.api.services.androidpublisher.AndroidPublisher
-import com.google.api.services.androidpublisher.model.ProductPurchasesAcknowledgeRequest
 import kr.co.bootpay.Bootpay
 import kr.co.vividnext.sodalive.can.CanRepository
 import kr.co.vividnext.sodalive.can.charge.event.ChargeSpringEvent
@@ -265,12 +264,6 @@ class ChargeService(
 
         while (attempt < retries) {
             try {
-                androidPublisher.purchases().products().acknowledge(
-                    "kr.co.vividnext.sodalive",
-                    productId,
-                    purchaseToken,
-                    ProductPurchasesAcknowledgeRequest()
-                )
                 androidPublisher.purchases().products().consume(
                     "kr.co.vividnext.sodalive",
                     productId,