diff --git a/src/main/java/com/kospo/svcm/dto/req/ContUpdateRequest.java b/src/main/java/com/kospo/svcm/dto/req/ContUpdateRequest.java
index ad9d909..c581e80 100644
--- a/src/main/java/com/kospo/svcm/dto/req/ContUpdateRequest.java
+++ b/src/main/java/com/kospo/svcm/dto/req/ContUpdateRequest.java
@@ -51,8 +51,6 @@ public class ContUpdateRequest implements Serializable {
     @JsonIgnoreProperties(ignoreUnknown = true)
     @Schema(name = "ContAttUpdateRequest", description = "계약 문서")
     public static class ContAttUpdateRequest implements Serializable {
-        @Schema(name = "contNo", description = "계약번호")
-        String contNo;
         @Schema(name = "fileOrd", description = "파일순서")
         Integer fileOrd;
         @Schema(name = "logiFnm", description = "논리파일명")