diff --git a/src/main/java/kr/co/uplus/ez/WebApplication.java b/src/main/java/kr/co/uplus/ez/WebApplication.java
index 4df1289..8a5dfd5 100644
--- a/src/main/java/kr/co/uplus/ez/WebApplication.java
+++ b/src/main/java/kr/co/uplus/ez/WebApplication.java
@@ -1,7 +1,5 @@
 package kr.co.uplus.ez;
 
-import java.security.Security;
-
 import javax.annotation.PostConstruct;
 import javax.annotation.PreDestroy;
 
@@ -28,8 +26,6 @@ public class WebApplication extends SpringBootServletInitializer {
 			System.setProperty(AbstractEnvironment.ACTIVE_PROFILES_PROPERTY_NAME, "local");
 		}
 
-		Security.setProperty("networkaddress.cache.ttl", "5");
-		
 		SpringApplication.run(WebApplication.class, args);
 	}