diff --git a/axhub-common/src/main/java/io/shinhanlife/axhub/common/integration/mci/config/ShinhanIntegrationProperties.java b/axhub-common/src/main/java/io/shinhanlife/axhub/common/integration/mci/config/ShinhanIntegrationProperties.java
index 990be1e..f4366da 100644
--- a/axhub-common/src/main/java/io/shinhanlife/axhub/common/integration/mci/config/ShinhanIntegrationProperties.java
+++ b/axhub-common/src/main/java/io/shinhanlife/axhub/common/integration/mci/config/ShinhanIntegrationProperties.java
@@ -32,8 +32,6 @@ public class ShinhanIntegrationProperties {
 
     private ServerInfo eai = new ServerInfo();
     private ServerInfo internalMci = new ServerInfo();
-    private ServerInfo externalMci = new ServerInfo();
-    private ServerInfo bancaMci = new ServerInfo();
 
     @Getter
     @Setter
diff --git a/axhub-common/src/main/java/io/shinhanlife/axhub/common/integration/mci/dto/ShinhanCommonHeaderDto.java b/axhub-common/src/main/java/io/shinhanlife/axhub/common/integration/mci/dto/ShinhanCommonHeaderDto.java
index 81b21c6..2ee92a8 100644
--- a/axhub-common/src/main/java/io/shinhanlife/axhub/common/integration/mci/dto/ShinhanCommonHeaderDto.java
+++ b/axhub-common/src/main/java/io/shinhanlife/axhub/common/integration/mci/dto/ShinhanCommonHeaderDto.java
@@ -25,6 +25,7 @@ import lombok.NoArgsConstructor;
 @AllArgsConstructor
 public class ShinhanCommonHeaderDto {
 
+    private String envrTypeCd;          // 환경유형코드 (D, T, R)
     private String glbId;               // 전사공통키 (37 Byte)
     private String pgrsSriaNo;          // 진행일련번호
     private String trgmVrsnInfoValu;    // 전문버전정보값
@@ -36,10 +37,4 @@ public class ShinhanCommonHeaderDto {
     private String inqrTraTypeCd;       // 조회거래유형코드
     private String reqTgrmTnsmDtptDt;   // 요청전문전송일시
     private String itrIfId;             // 인터페이스ID
-
-    // 대외 연계 정보 (선택)
-    private String frbuCd;              // 대외기관코드
-    private String cmouDutjCd;          // 대외업무코드
-    private String cmouCssfCd;          // 대외종별코드
-    private String cmouTraCd;           // 대외거래코드
 }