diff --git a/src/controllers/resize.js b/src/controllers/resize.js
index 4f9b4b1..723811e 100644
--- a/src/controllers/resize.js
+++ b/src/controllers/resize.js
@@ -392,7 +392,7 @@ export function menuToolBarWidth() {
         if (JSON.stringify(showtoolbarConfig) !== '{}') {
             if(showtoolbarConfig.hasOwnProperty('undoRedo')){
                 config.undo = config.redo = showtoolbarConfig.undoRedo;
-                delete showtoolbarConfig.undoRedo;
+                // delete showtoolbarConfig.undoRedo;
             }
             Object.assign(config, showtoolbarConfig);
 
diff --git a/src/controllers/toolbar.js b/src/controllers/toolbar.js
index edbd095..13f4555 100644
--- a/src/controllers/toolbar.js
+++ b/src/controllers/toolbar.js
@@ -876,7 +876,7 @@ export function createToolbarHtml() {
     if (JSON.stringify(showtoolbarConfig) !== '{}') {
         if(showtoolbarConfig.hasOwnProperty('undoRedo')){
             config.undo = config.redo = showtoolbarConfig.undoRedo;
-            delete showtoolbarConfig.undoRedo;
+            // delete showtoolbarConfig.undoRedo;
         }
         Object.assign(config, showtoolbarConfig);
     }