diff --git a/app/code/Magento/Catalog/view/base/web/js/price-utils.js b/app/code/Magento/Catalog/view/base/web/js/price-utils.js
index 7c4280e64930f..e2ea42f7d5fe3 100644
--- a/app/code/Magento/Catalog/view/base/web/js/price-utils.js
+++ b/app/code/Magento/Catalog/view/base/web/js/price-utils.js
@@ -79,7 +79,7 @@ define([
         am = Number(Math.round(Math.abs(amount - i) + 'e+' + precision) + ('e-' + precision));
         r = (j ? i.substr(0, j) + groupSymbol : '') +
             i.substr(j).replace(re, '$1' + groupSymbol) +
-            (precision ? decimalSymbol + am.toFixed(2).replace(/-/, 0).slice(2) : '');
+            (precision ? decimalSymbol + am.toFixed(precision).replace(/-/, 0).slice(2) : '');
 
         return pattern.replace('%s', r).replace(/^\s\s*/, '').replace(/\s\s*$/, '');
     }
diff --git a/app/code/Magento/InstantPurchase/CustomerData/InstantPurchase.php b/app/code/Magento/InstantPurchase/CustomerData/InstantPurchase.php
index 3d9c06e76ea08..7ded5373dc735 100644
--- a/app/code/Magento/InstantPurchase/CustomerData/InstantPurchase.php
+++ b/app/code/Magento/InstantPurchase/CustomerData/InstantPurchase.php
@@ -30,7 +30,7 @@ class InstantPurchase implements SectionSourceInterface
     private $customerSession;
 
     /**
-     * @var StoreManagerInterface\
+     * @var StoreManagerInterface
      */
     private $storeManager;
 
diff --git a/dev/travis/before_install.sh b/dev/travis/before_install.sh
index 63e1059f18abf..c9302f3b6672c 100755
--- a/dev/travis/before_install.sh
+++ b/dev/travis/before_install.sh
@@ -21,7 +21,7 @@ phpenv rehash;
 test -n "$GITHUB_TOKEN" && composer config github-oauth.github.com "$GITHUB_TOKEN" || true
 
 # Node.js setup via NVM
-if [ test $TEST_SUITE == "js" ]; then
+if [ $TEST_SUITE == "js" ]; then
     curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.1/install.sh | bash
     export NVM_DIR="$HOME/.nvm"
     [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh" # This loads nvm
diff --git a/setup/pub/magento/setup/main.js b/setup/pub/magento/setup/main.js
index f92011f39522a..d9d8b5145665a 100644
--- a/setup/pub/magento/setup/main.js
+++ b/setup/pub/magento/setup/main.js
@@ -93,10 +93,6 @@ main.controller('navigationController',
             return str.indexOf(suffix, str.length - suffix.length) !== -1;
         };
 
-        $scope.goToStart = function() {
-            $scope.goToAction($state.current.type);
-        };
-
         $scope.goToBackup = function() {
             $state.go('root.create-backup-uninstall');
         };
diff --git a/setup/view/magento/setup/readiness-check.phtml b/setup/view/magento/setup/readiness-check.phtml
index 6c6c2fbc39fc7..71044ab371888 100644
--- a/setup/view/magento/setup/readiness-check.phtml
+++ b/setup/view/magento/setup/readiness-check.phtml
@@ -18,7 +18,7 @@
             <button
                 type="button"
                 class="btn"
-                ng-click="goToStart()"
+                disabled="disabled"
                 >Back</button>
         </div>
         <div class="btn-wrap btn-wrap-try-again"