diff --git a/Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/YooAsset.EditorExtension.asmdef b/Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/YooAsset.EditorExtension.asmdef
deleted file mode 100644
index 9bb9ef0..0000000
--- a/Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/YooAsset.EditorExtension.asmdef	
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-    "name": "YooAsset.EditorExtension",
-    "rootNamespace": "",
-    "references": [
-        "YooAsset",
-        "YooAsset.Editor"
-    ],
-    "includePlatforms": [
-        "Editor"
-    ],
-    "excludePlatforms": [],
-    "allowUnsafeCode": false,
-    "overrideReferences": false,
-    "precompiledReferences": [],
-    "autoReferenced": true,
-    "defineConstraints": [],
-    "versionDefines": [],
-    "noEngineReferences": false
-}
\ No newline at end of file
diff --git a/Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/YooAsset.EditorExtension.asmdef.meta b/Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/YooAsset.EditorExtension.asmdef.meta
deleted file mode 100644
index 1a047d4..0000000
--- a/Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/YooAsset.EditorExtension.asmdef.meta	
+++ /dev/null
@@ -1,7 +0,0 @@
-fileFormatVersion: 2
-guid: b58fede96e820534dabca12032b68135
-AssemblyDefinitionImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: