diff --git a/pom.xml b/pom.xml
index 407c5ec..8ba47b5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
     <groupId>com.loafle.overflow</groupId>
     <artifactId>commons-java</artifactId>
     <packaging>jar</packaging>
-    <version>1.0.80-SNAPSHOT</version>
+    <version>1.0.81-SNAPSHOT</version>
     <name>com.loafle.overflow.commons-java</name>
 
     <properties>
diff --git a/src/main/java/com/loafle/overflow/model/infra/InfraHostIP.java b/src/main/java/com/loafle/overflow/model/infra/InfraHostIP.java
index a4b45cc..48f90d0 100644
--- a/src/main/java/com/loafle/overflow/model/infra/InfraHostIP.java
+++ b/src/main/java/com/loafle/overflow/model/infra/InfraHostIP.java
@@ -4,8 +4,6 @@ import javax.persistence.*;
 
 import com.loafle.overflow.model.meta.MetaIPType;
 
-import org.codehaus.jackson.annotate.JsonBackReference;
-
 import java.util.Date;
 
 /**
@@ -15,7 +13,6 @@ import java.util.Date;
 @Table(name = "INFRA_HOST_IP", schema = "public")
 public class InfraHostIP {
   private Long id;
-  @JsonBackReference
   private InfraHost infraHost;
   private MetaIPType metaIPType;
   private String address;