diff --git a/src/main/java/entities/ModelType.java b/src/main/java/entities/ModelType.java
deleted file mode 100644
index 193b2e6..0000000
--- a/src/main/java/entities/ModelType.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package entities;
-
-//---------------------------------------------------------------
-// モデルのタイプ識別
-public class ModelType {
-
-    public static final int GROUND_MODEL = 0;
-    public static final int PLAYER_MODEL = 1;
-    public static final int GAME_MODEL = 2;
-
-    //---------------------------------------------------------------
-    //---------------------------------------------------------------
-    private ModelType() {
-
-    }
-    //---------------------------------------------------------------
-}