diff --git a/src/app/debugger/remix-debugger/src/ui/StackPanel.js b/src/app/debugger/remix-debugger/src/ui/StackPanel.js
index c07aa01094..de768dc616 100644
--- a/src/app/debugger/remix-debugger/src/ui/StackPanel.js
+++ b/src/app/debugger/remix-debugger/src/ui/StackPanel.js
@@ -1,7 +1,5 @@
 'use strict'
 var DropdownPanel = require('./DropdownPanel')
-var remixLib = require('remix-lib')
-var ui = remixLib.helpers.ui
 var yo = require('yo-yo')
 
 function StackPanel (_parent, _traceManager) {
@@ -26,19 +24,10 @@ StackPanel.prototype.init = function () {
         self.basicPanel.update({})
         console.log(error)
       } else if (self.parent.currentStepIndex === index) {
-        self.basicPanel.update(self.format(stack))
+        self.basicPanel.update(stack)
       }
     })
   })
 }
 
-StackPanel.prototype.format = function (stack) {
-  var ret = []
-  stack.map(function (item, i) {
-    var hex = ui.normalizeHex(item)
-    ret.push(hex)
-  })
-  return ret
-}
-
 module.exports = StackPanel
diff --git a/test-browser-debugger/test/vmdebugger.js b/test-browser-debugger/test/vmdebugger.js
index f84555a0f3..76cb2c0212 100644
--- a/test-browser-debugger/test/vmdebugger.js
+++ b/test-browser-debugger/test/vmdebugger.js
@@ -74,7 +74,7 @@ function panels (browser) {
     .setValue('#txinput', '0x20ef65b8b186ca942fcccd634f37074dde49b541c27994fc7596740ef44cfd51')
     .click('#load')
     .multipleClick('#intoforward', 63)
-    .assertStack(['0:0x', '1:0x60', '2:0x65', '3:0x38', '4:0x55', '5:0x60fe47b1'])
+    .assertStack(['0:0x00', '1:0x60', '2:0x65', '3:0x38', '4:0x55', '5:0x60fe47b1'])
     .assertStorageChanges(['0x290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563:Objectkey:0x00value:0x38'])
     .assertCallData(['0:0x60fe47b10000000000000000000000000000000000000000000000000000000000000038'])
     .assertCallStack(['0:0x0d3a18d64dfe4f927832ab58d6451cecc4e517c5'])