diff --git a/src/preload/index.ts b/src/preload/index.ts
index b02d7802a..7d98eb932 100644
--- a/src/preload/index.ts
+++ b/src/preload/index.ts
@@ -81,7 +81,6 @@ const api = {
     download: (url: string, isUseContentType?: boolean) =>
       ipcRenderer.invoke(IpcChannel.File_Download, url, isUseContentType),
     copy: (fileId: string, destPath: string) => ipcRenderer.invoke(IpcChannel.File_Copy, fileId, destPath),
-    binaryImage: (fileId: string) => ipcRenderer.invoke(IpcChannel.File_BinaryImage, fileId),
     base64File: (fileId: string) => ipcRenderer.invoke(IpcChannel.File_Base64File, fileId),
     getPathForFile: (file: File) => webUtils.getPathForFile(file)
   },