diff --git a/src/ddo/interfaces/File.ts b/src/ddo/interfaces/File.ts
index 6830cc83..e8193b51 100644
--- a/src/ddo/interfaces/File.ts
+++ b/src/ddo/interfaces/File.ts
@@ -11,12 +11,6 @@ export interface File {
    */
   url?: string
 
-  /**
-   * Is URL accessible.
-   * @type {boolean}
-   */
-  valid?: boolean
-
   /**
    * File index.
    * @type {number}