diff --git a/frontend/components/dataflow/ConnectionSetupModal.tsx b/frontend/components/dataflow/ConnectionSetupModal.tsx
index 4147b87e..1ece10f5 100644
--- a/frontend/components/dataflow/ConnectionSetupModal.tsx
+++ b/frontend/components/dataflow/ConnectionSetupModal.tsx
@@ -677,25 +677,6 @@ export const ConnectionSetupModal: React.FC<ConnectionSetupModalProps> = ({
                 className="text-sm"
               />
             </div>
-            <div>
-              <Label htmlFor="relationshipType">연결 방식</Label>
-              <Select
-                value={config.relationshipType}
-                onValueChange={(value: "one-to-one" | "one-to-many" | "many-to-one" | "many-to-many") =>
-                  setConfig({ ...config, relationshipType: value })
-                }
-              >
-                <SelectTrigger className="text-sm">
-                  <SelectValue />
-                </SelectTrigger>
-                <SelectContent>
-                  <SelectItem value="one-to-one">1:1 (One to One)</SelectItem>
-                  <SelectItem value="one-to-many">1:N (One to Many)</SelectItem>
-                  <SelectItem value="many-to-one">N:1 (Many to One)</SelectItem>
-                  <SelectItem value="many-to-many">N:N (Many to Many)</SelectItem>
-                </SelectContent>
-              </Select>
-            </div>
           </div>
 
           {/* 연결 종류 선택 */}
diff --git a/frontend/components/dataflow/DataFlowDesigner.tsx b/frontend/components/dataflow/DataFlowDesigner.tsx
index f0951f6b..a9e52128 100644
--- a/frontend/components/dataflow/DataFlowDesigner.tsx
+++ b/frontend/components/dataflow/DataFlowDesigner.tsx
@@ -1175,7 +1175,6 @@ export const DataFlowDesigner: React.FC<DataFlowDesignerProps> = ({
                         const columns = selectedColumns[tableName];
                         const node = nodes.find((n) => n.data.table.tableName === tableName);
                         const displayName = node?.data.table.displayName || tableName;
-
                         return (
                           <div key={`selected-${tableName}-${index}`}>
                             {/* 테이블 정보 */}