diff --git a/src/hooks/roofcover/useRoofAllocationSetting.js b/src/hooks/roofcover/useRoofAllocationSetting.js
index 79510bc1..fee893a6 100644
--- a/src/hooks/roofcover/useRoofAllocationSetting.js
+++ b/src/hooks/roofcover/useRoofAllocationSetting.js
@@ -383,6 +383,7 @@ export function useRoofAllocationSetting(id) {
         }
       } catch (e) {
         console.log(e)
+        canvas.discardActiveObject()
         return
       }
 
diff --git a/src/hooks/usePolygon.js b/src/hooks/usePolygon.js
index 7e2e28ee..577274ad 100644
--- a/src/hooks/usePolygon.js
+++ b/src/hooks/usePolygon.js
@@ -1168,6 +1168,15 @@ export const usePolygon = () => {
       canvas.remove(polygon)
       canvas.renderAll()
     })
+
+    //지붕 완료 후 보조선을 전부 제거한다.
+    const auxiliaryLines = canvas.getObjects().filter((obj) => obj.name === 'auxiliaryLine')
+
+    auxiliaryLines.forEach((line) => {
+      canvas.remove(line)
+    })
+    canvas.renderAll()
+    canvas.discardActiveObject()
   }
 
   const getSplitRoofsPoints = (allLines) => {
diff --git a/src/util/canvas-util.js b/src/util/canvas-util.js
index 1d067ad8..c7a1fc17 100644
--- a/src/util/canvas-util.js
+++ b/src/util/canvas-util.js
@@ -549,8 +549,6 @@ export function isPointOnLine({ x1, y1, x2, y2 }, { x, y }, epsilon = 2) {
     withinYRange = withinYRange && 2 <= Math.max(y1, y2) - y
   }
 
-  console.log(Math.min(x1, x2) - x, Math.max(x1, x2) - x)
-
   return withinXRange && withinYRange
 }
 /**