diff --git a/app/src/main/java/io/legado/app/help/JsExtensions.kt b/app/src/main/java/io/legado/app/help/JsExtensions.kt
index 7a02036c5..bef4d0e4a 100644
--- a/app/src/main/java/io/legado/app/help/JsExtensions.kt
+++ b/app/src/main/java/io/legado/app/help/JsExtensions.kt
@@ -18,7 +18,6 @@ import rxhttp.wrapper.param.RxHttp
 import rxhttp.wrapper.param.toByteArray
 import java.io.File
 import java.net.URLEncoder
-import java.text.DateFormat
 import java.util.*
 
 @Keep
@@ -114,13 +113,6 @@ interface JsExtensions {
         return contents.toString()
     }
 
-    /**
-     * js实现文件夹/文件的删除
-     */
-    fun deleteFolder(path: String) {
-        FileUtils.deleteFile(path)
-    }
-
     /**
      * js实现重定向拦截,网络访问get
      */
@@ -209,15 +201,6 @@ interface JsExtensions {
         return dateFormat.format(Date(time))
     }
 
-    fun timeFormat(time: String): String {
-        val date = DateFormat.getDateTimeInstance().parse(time)
-        return if (date == null) {
-            ""
-        } else {
-            dateFormat.format(date)
-        }
-    }
-
     /**
      * utf8编码转gbk编码
      */