diff --git a/unity/Assets/enemy/SpawnPointGenerator.cs b/unity/Assets/enemy/SpawnPointGenerator.cs
index b739274..7d89208 100644
--- a/unity/Assets/enemy/SpawnPointGenerator.cs
+++ b/unity/Assets/enemy/SpawnPointGenerator.cs
@@ -1,6 +1,8 @@
 using System.Collections.Generic;
 using UnityEngine;
+#if UNITY_EDITOR
 using UnityEditor;
+#endif
 using IndianOceanAssets.Engine2_5D;
 
 namespace IndianOceanAssets.EditorTools
@@ -127,6 +129,7 @@ namespace IndianOceanAssets.EditorTools
         }
     }
 
+#if UNITY_EDITOR
     [CustomEditor(typeof(SpawnPointGenerator))]
     public class SpawnPointGeneratorEditor : UnityEditor.Editor
     {
@@ -348,4 +351,5 @@ namespace IndianOceanAssets.EditorTools
             return Vector3.Distance(new Vector3(p.x, 0, p.z), new Vector3(proj.x, 0, proj.z));
         }
     }
+#endif
 }