diff --git a/src/shims-fs.d.ts b/src/shims-fs.d.ts
index d128aae..c7ae721 100644
--- a/src/shims-fs.d.ts
+++ b/src/shims-fs.d.ts
@@ -6,6 +6,10 @@ interface FileSystemCreateWritableOptions {
     keepExistingData?: boolean
 }
 
+interface FileSystemRemoveOptions {
+    recursive?: boolean
+}
+
 interface FileSystemFileHandle {
     getFile(): Promise<File>;
 
@@ -37,13 +41,16 @@ interface FileSystemWritableFileStream extends WritableStream {
     close(): Promise<undefined> // should be implemented in WritableStream
 }
 
+
 export declare interface FileSystemDirectoryHandle {
     getFileHandle(name: string, options?: FileSystemGetFileOptions): Promise<FileSystemFileHandle>
+
+    removeEntry(name: string, options?: FileSystemRemoveOptions): Promise<undefined>
+
 }
 
 declare global {
     interface Window {
-        FileSystemDirectoryHandle
 
         showDirectoryPicker?(): Promise<FileSystemDirectoryHandle>
     }
diff --git a/src/view/Home.vue b/src/view/Home.vue
index 6f4e2b8..a337c59 100644
--- a/src/view/Home.vue
+++ b/src/view/Home.vue
@@ -144,9 +144,9 @@ export default {
             }
             try {
                 this.dir = await window.showDirectoryPicker()
-                window.dir = this.dir
-                window.f = await this.dir.getFileHandle("write-test.txt", {create: true})
-
+                const test_filename = "__unlock_music_write_test.txt"
+                await this.dir.getFileHandle(test_filename, {create: true})
+                await this.dir.removeEntry(test_filename)
             } catch (e) {
                 console.error(e)
             }