diff --git a/src/main/java/roomescape/common/exception/ErrorType.kt b/src/main/java/roomescape/common/exception/ErrorType.kt
index 8d19efe4..4cb5a16b 100644
--- a/src/main/java/roomescape/common/exception/ErrorType.kt
+++ b/src/main/java/roomescape/common/exception/ErrorType.kt
@@ -5,7 +5,7 @@ import com.fasterxml.jackson.annotation.JsonProperty
 import org.springframework.http.HttpStatus
 
 enum class ErrorType(
-        @JvmField val description: String
+        val description: String
 ) {
     // 400 Bad Request
     REQUEST_DATA_BLANK("요청 데이터에 유효하지 않은 값(null OR 공백)이 포함되어있습니다."),
diff --git a/src/main/java/roomescape/payment/infrastructure/client/PaymentProperties.kt b/src/main/java/roomescape/payment/infrastructure/client/PaymentProperties.kt
index 06758eb8..a421028e 100644
--- a/src/main/java/roomescape/payment/infrastructure/client/PaymentProperties.kt
+++ b/src/main/java/roomescape/payment/infrastructure/client/PaymentProperties.kt
@@ -4,8 +4,8 @@ import org.springframework.boot.context.properties.ConfigurationProperties
 
 @ConfigurationProperties(prefix = "payment")
 data class PaymentProperties(
-        @JvmField val apiBaseUrl: String,
-        @JvmField val confirmSecretKey: String,
-        @JvmField val readTimeout: Int,
-        @JvmField val connectTimeout: Int
+        val apiBaseUrl: String,
+        val confirmSecretKey: String,
+        val readTimeout: Int,
+        val connectTimeout: Int
 )
diff --git a/src/test/java/roomescape/payment/SampleTossPaymentConst.kt b/src/test/java/roomescape/payment/SampleTossPaymentConst.kt
index ba1db53e..c2188bae 100644
--- a/src/test/java/roomescape/payment/SampleTossPaymentConst.kt
+++ b/src/test/java/roomescape/payment/SampleTossPaymentConst.kt
@@ -6,22 +6,16 @@ import roomescape.payment.web.PaymentCancel
 import kotlin.math.roundToLong
 
 object SampleTossPaymentConst {
-    @JvmField
     val paymentKey: String = "5EnNZRJGvaBX7zk2yd8ydw26XvwXkLrx9POLqKQjmAw4b0e1"
 
-    @JvmField
     val orderId: String = "MC4wODU4ODQwMzg4NDk0"
 
-    @JvmField
     val amount: Long = 1000L
 
-    @JvmField
     val paymentType: String = "카드"
 
-    @JvmField
     val cancelReason: String = "테스트 결제 취소"
 
-    @JvmField
     val paymentRequest: PaymentApprove.Request = PaymentApprove.Request(
             paymentKey,
             orderId,
@@ -29,7 +23,6 @@ object SampleTossPaymentConst {
             paymentType
     )
 
-    @JvmField
     val paymentRequestJson: String = """
 		{
 		  "paymentKey": "$paymentKey",
@@ -39,21 +32,18 @@ object SampleTossPaymentConst {
 		}
 		""".trimIndent()
 
-    @JvmField
     val cancelRequest: PaymentCancel.Request = PaymentCancel.Request(
             paymentKey,
             amount,
             cancelReason
     )
 
-    @JvmField
     val cancelRequestJson: String = """
 		{
 		  "cancelReason": "$cancelReason"
 		}
 	""".trimIndent()
 
-    @JvmField
     val tossPaymentErrorJson: String = """
 		{
 		    "code": "ERROR_CODE",
@@ -61,7 +51,6 @@ object SampleTossPaymentConst {
 		}	
 	""".trimIndent()
 
-    @JvmField
     val confirmJson: String = """
 		{
 		  "mId": "tosspayments",
@@ -127,7 +116,6 @@ object SampleTossPaymentConst {
 		}
 		""".trimIndent()
 
-    @JvmField
     val cancelJson: String = """
 		{
 		  "mId": "tosspayments",