diff --git a/src/chrome/content/error.js b/src/chrome/content/error.js
index 17b41c9..1c5c66e 100644
--- a/src/chrome/content/error.js
+++ b/src/chrome/content/error.js
@@ -11,24 +11,3 @@ class UnsupportedItemTypeError extends Error {
         this.name = "UnsupportedItemTypeError";
     }
 }
-
-class TimeoutError extends Error {
-    constructor(message) {
-        super(message);
-        this.name = "TimeoutError";
-    }
-}
-
-class TimeoutError extends Error {
-    constructor(message) {
-        super(message);
-        this.name = "TimeoutError";
-    }
-}
-
-class TimeoutError extends Error {
-    constructor(message) {
-        super(message);
-        this.name = "TimeoutError";
-    }
-}