diff --git a/apps/sn/src/features/dredging/ui/dredging-detail-popup-page.tsx b/apps/sn/src/features/dredging/ui/dredging-detail-popup-page.tsx
index 73558eab8..fac29f542 100644
--- a/apps/sn/src/features/dredging/ui/dredging-detail-popup-page.tsx
+++ b/apps/sn/src/features/dredging/ui/dredging-detail-popup-page.tsx
@@ -529,9 +529,11 @@ const DredgingDetailPopupPage = ({
           <section className="card card-border !m-0 shrink-0 overflow-hidden !p-0">
             <div className="card-header !m-0">
               <h2 className="text-2xl font-medium text-label">{DREDGING_EXTERNAL_MODE ? "준설 정보" : "관로 정보"}</h2>
-              <span className="truncate text-base text-muted-foreground">
-                {DREDGING_EXTERNAL_MODE ? `준설대상 ${record.targetSn ?? ""}` : `관로번호 ${matchedPipe?.fcltMngNo || "관로 미지정"}`}
-              </span>
+              {!DREDGING_EXTERNAL_MODE && (
+                <span className="truncate text-base text-muted-foreground">
+                  {`관로번호 ${matchedPipe?.fcltMngNo || "관로 미지정"}`}
+                </span>
+              )}
             </div>
             <div className="p-3">
               <Table variant="secondary">