diff --git a/src/main/java/com/hideyoshi/backendportfolio/base/config/CorsConfig.java b/src/main/java/com/hideyoshi/backendportfolio/base/config/CorsConfig.java
index ea11399..8a1ccff 100644
--- a/src/main/java/com/hideyoshi/backendportfolio/base/config/CorsConfig.java
+++ b/src/main/java/com/hideyoshi/backendportfolio/base/config/CorsConfig.java
@@ -18,9 +18,6 @@ public class CorsConfig {
     @Value("${com.hideyoshi.frontendPath}")
     private String FRONTEND_PATH;
 
-    @Value("${com.hideyoshi.frontendConnectionType}")
-    private String CONNECTION_TYPE;
-
     @Bean
     public CorsConfigurationSource corsConfigurationSource() {
 
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 918a382..ffe8e02 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -1,7 +1,6 @@
 com:
   hideyoshi:
     frontendPath: ${FRONTEND_PATH}
-    frontendConnectionType: ${FRONTEND_CONNECTION_TYPE}
     tokenSecret: ${TOKEN_SECRET}
     accessTokenDuration: ${ACCESS_TOKEN_DURATION}
     refreshTokenDuration: ${REFRESH_TOKEN_DURATION}