diff --git a/Assets/Script/Gameplay/Connect/ConnectionLineManager.cs b/Assets/Script/Gameplay/Connect/ConnectionLineManager.cs
index a56bc8c..3788223 100644
--- a/Assets/Script/Gameplay/Connect/ConnectionLineManager.cs
+++ b/Assets/Script/Gameplay/Connect/ConnectionLineManager.cs
@@ -39,9 +39,9 @@ namespace Script.Gameplay.Connect
         public void CutTargetConnectionLines(IConnectable target)
         {
             List<ConnectionLine> linesToRemove = new List<ConnectionLine>();
-            foreach (var line in connectionLines)
+            foreach (var line in target.ConnectionLines)
             {
-                if (line != null && (line.Equals(target)))
+                if (line != null)
                 {
                     linesToRemove.Add(line);
                 }