diff --git a/src/main/java/roomescape/payment/web/support/PaymentCancelResponseDeserializer.kt b/src/main/java/roomescape/payment/web/support/PaymentCancelResponseDeserializer.kt
index 60993797..c1e7b904 100644
--- a/src/main/java/roomescape/payment/web/support/PaymentCancelResponseDeserializer.kt
+++ b/src/main/java/roomescape/payment/web/support/PaymentCancelResponseDeserializer.kt
@@ -1,38 +1,32 @@
-package roomescape.payment.web.support;
+package roomescape.payment.web.support
 
-import java.io.IOException;
-import java.time.OffsetDateTime;
-import java.time.format.DateTimeFormatter;
+import com.fasterxml.jackson.core.JsonParser
+import com.fasterxml.jackson.core.TreeNode
+import com.fasterxml.jackson.databind.DeserializationContext
+import com.fasterxml.jackson.databind.JsonNode
+import com.fasterxml.jackson.databind.deser.std.StdDeserializer
+import roomescape.payment.web.dto.response.PaymentCancelResponse
+import java.io.IOException
+import java.time.OffsetDateTime
 
-import com.fasterxml.jackson.core.JsonParser;
-import com.fasterxml.jackson.databind.DeserializationContext;
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
+class PaymentCancelResponseDeserializer(
+        vc: Class<PaymentCancelResponse?>? = null
+) : StdDeserializer<PaymentCancelResponse?>(vc) {
 
-import roomescape.payment.web.dto.response.PaymentCancelResponse;
+    @Throws(IOException::class)
+    override fun deserialize(
+            jsonParser: JsonParser,
+            deserializationContext: DeserializationContext?
+    ): PaymentCancelResponse {
+        val cancels: JsonNode = jsonParser.codec.readTree<TreeNode>(jsonParser)
+                .get("cancels")
+                .get(0) as JsonNode
 
-public class PaymentCancelResponseDeserializer extends StdDeserializer<PaymentCancelResponse> {
-
-	private static final DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern(
-		"yyyy-MM-dd'T'HH:mm:ssXXX");
-
-	public PaymentCancelResponseDeserializer() {
-		this(null);
-	}
-
-	public PaymentCancelResponseDeserializer(Class<?> vc) {
-		super(vc);
-	}
-
-	@Override
-	public PaymentCancelResponse deserialize(JsonParser jsonParser, DeserializationContext deserializationContext)
-		throws IOException {
-		JsonNode cancels = (JsonNode)jsonParser.getCodec().readTree(jsonParser).get("cancels").get(0);
-		return new PaymentCancelResponse(
-			cancels.get("cancelStatus").asText(),
-			cancels.get("cancelReason").asText(),
-			cancels.get("cancelAmount").asLong(),
-			OffsetDateTime.parse(cancels.get("canceledAt").asText())
-		);
-	}
+        return PaymentCancelResponse(
+                cancels.get("cancelStatus").asText(),
+                cancels.get("cancelReason").asText(),
+                cancels.get("cancelAmount").asLong(),
+                OffsetDateTime.parse(cancels.get("canceledAt").asText())
+        )
+    }
 }