diff --git a/src/core/operations/FromFirefoxBrowserTimeStamp.mjs b/src/core/operations/FromFirefoxBrowserTimeStamp.mjs
index 25807418..aabf2807 100644
--- a/src/core/operations/FromFirefoxBrowserTimeStamp.mjs
+++ b/src/core/operations/FromFirefoxBrowserTimeStamp.mjs
@@ -18,7 +18,6 @@ class FromFirefoxBrowserTimestamp extends Operation {
      */
     constructor() {
         super();
-
         this.name = "From Firefox Browser Timestamp";
         this.module = "Default";
         this.description = "Converts Firefox Browser Timestamp to datetime string<br><br>e.g. <code>1341575244735000</code> \
@@ -36,11 +35,8 @@ class FromFirefoxBrowserTimestamp extends Operation {
      * @throws {OperationError} if invalid unit
      */
     run(input, args) {
-
         const d = moment.unix((input /1000000));
         return d.tz("UTC").format("ddd D MMMM YYYY HH:mm:ss") + " UTC";
-
-        throw new OperationError();
     }
 }