diff --git a/module/execution/control.php b/module/execution/control.php
index c298a9f8e6..6e6f344931 100644
--- a/module/execution/control.php
+++ b/module/execution/control.php
@@ -981,7 +981,6 @@ class execution extends control
         $this->view->gobackLink          = (isset($output['from']) and $output['from'] == 'global') ? $this->createLink('execution', 'all') : '';
         $this->view->allProducts         = array_filter($this->executionZen->getAllProductsForCreate($project));
         $this->view->allProjects         = $this->project->getPairsByModel('all', 'noclosed,multiple');
-        $this->view->multiBranchProducts = $this->loadModel('product')->getMultiBranchPairs();
         $this->view->products            = $products;
         $this->view->teams               = $this->execution->getCanCopyObjects($projectID);
         $this->view->users               = $this->loadModel('user')->getPairs('nodeleted|noclosed');
@@ -1127,7 +1126,6 @@ class execution extends control
         $this->view->users                = $this->loadModel('user')->getPairs('nodeleted|noclosed');
         $this->view->groups               = $this->loadModel('group')->getPairs();
         $this->view->branches             = $branches;
-        $this->view->multiBranchProducts  = $this->product->getMultiBranchPairs();
         $this->view->allProducts          = $linkedObjects->allProducts;
         $this->view->linkedProducts       = $linkedObjects->linkedProducts;
         $this->view->linkedBranches       = $linkedObjects->linkedBranches;
diff --git a/module/execution/js/common.ui.js b/module/execution/js/common.ui.js
index a414ef59ca..4640e32bae 100644
--- a/module/execution/js/common.ui.js
+++ b/module/execution/js/common.ui.js
@@ -147,7 +147,7 @@ function loadBranches(e)
     {
         let productID = $(this).val();
         if(productID > 0 && chosenProducts.indexOf(productID) == -1) chosenProducts.push(productID);
-        if($product.val() != 0 && $product.val() == $(this).val() && $product.attr('id') != $(this).attr('id') && !multiBranchProducts[$product.val()])
+        if($product.val() != 0 && $product.val() == $(this).val() && $product.attr('id') != $(this).attr('id'))
         {
             zui.Modal.alert(errorSameProducts);
             $product.zui('picker').$.setValue(0);
diff --git a/module/execution/js/create.ui.js b/module/execution/js/create.ui.js
index dad61062b5..6e8f39f3db 100644
--- a/module/execution/js/create.ui.js
+++ b/module/execution/js/create.ui.js
@@ -16,38 +16,6 @@ $(function()
     if(copyExecutionID != 0 || projectID != 0) loadMembers();
 
     setWhite();
-
-    $(document).on('click', 'button[type=submit]', function()
-    {
-        let products      = new Array();
-        let existedBranch = false;
-
-        /* Determine whether the products of the same branch are linked. */
-        $(".productsBox select[name^='products']").each(function()
-        {
-            let productID = $(this).val();
-            if(typeof(products[productID]) == 'undefined') products[productID] = new Array();
-            if(multiBranchProducts[productID])
-            {
-                let branchID = $(this).closest('.form-row').find("select[name^=branch]").val();
-                if(products[productID][branchID])
-                {
-                    existedBranch = true;
-                }
-                else
-                {
-                    products[productID][branchID] = branchID;
-                }
-                if(existedBranch) return false;
-            }
-        });
-
-        if(existedBranch)
-        {
-            zui.Modal.alert(errorSameBranches);
-            return false;
-        }
-    });
 });
 
 /**
diff --git a/module/execution/js/edit.ui.js b/module/execution/js/edit.ui.js
index 1c5dbdaabc..94e281e96f 100644
--- a/module/execution/js/edit.ui.js
+++ b/module/execution/js/edit.ui.js
@@ -2,38 +2,6 @@ $(function()
 {
     if($('#typeHover').length) new zui.Tooltip('#typeHover', {title: typeTip, trigger: 'hover', placement: 'right', type: 'white', 'className': 'text-gray border border-light'});
 
-    $(document).on('click', 'button[type=submit]', function()
-    {
-        let products      = new Array();
-        let existedBranch = false;
-
-        /* Determine whether the products of the same branch are linked. */
-        $(".productsBox select[name^='products']").each(function()
-        {
-            let productID = $(this).val();
-            if(typeof(products[productID]) == 'undefined') products[productID] = new Array();
-            if(multiBranchProducts[productID])
-            {
-                let branchID = $(this).closest('.form-row').find("select[name^=branch]").val();
-                if(products[productID][branchID])
-                {
-                    existedBranch = true;
-                }
-                else
-                {
-                    products[productID][branchID] = branchID;
-                }
-                if(existedBranch) return false;
-            }
-        });
-
-        if(existedBranch)
-        {
-            zui.Modal.alert(errorSameBranches);
-            return false;
-        }
-    });
-
     if(isWaterfall) hidePlanBox(executionAttr);
 });
 
diff --git a/module/execution/ui/create.html.php b/module/execution/ui/create.html.php
index d908cf9e1c..5e5a1d433e 100644
--- a/module/execution/ui/create.html.php
+++ b/module/execution/ui/create.html.php
@@ -15,10 +15,8 @@ jsVar('+projectID', $projectID);
 jsVar('copyProjectID', $copyProjectID);
 jsVar('weekend', $config->execution->weekend);
 jsVar('errorSameProducts', $lang->execution->errorSameProducts);
-jsVar('errorSameBranches', $lang->execution->errorSameBranches);
 jsVar('isStage', $isStage);
 jsVar('copyExecutionID', $copyExecutionID);
-jsVar('multiBranchProducts', $multiBranchProducts);
 jsVar('executionID', isset($executionID) ? $executionID : 0);
 
 $methodBox         = null;
diff --git a/module/execution/ui/edit.html.php b/module/execution/ui/edit.html.php
index d90e5955a2..713381f98a 100644
--- a/module/execution/ui/edit.html.php
+++ b/module/execution/ui/edit.html.php
@@ -12,10 +12,8 @@ namespace zin;
 
 jsVar('weekend', $config->execution->weekend);
 jsVar('errorSameProducts', $lang->execution->errorSameProducts);
-jsVar('errorSameBranches', $lang->execution->errorSameBranches);
 jsVar('unmodifiableProducts',$unmodifiableProducts);
 jsVar('unmodifiableBranches', $unmodifiableBranches);
-jsVar('multiBranchProducts', $multiBranchProducts);
 jsVar('linkedStoryIDList', $linkedStoryIDList);
 jsVar('confirmSync', $lang->execution->confirmSync);
 jsVar('unLinkProductTip', $lang->project->unLinkProductTip);