diff --git a/app/code/Magento/Paypal/Model/Config/Rules/Converter.php b/app/code/Magento/Paypal/Model/Config/Rules/Converter.php
index b2dad4af6f4b669b1e2ea798a107f84d51a1013c..5528f79b385758a89b1c4c1fad3d2fa90e92b08e 100644
--- a/app/code/Magento/Paypal/Model/Config/Rules/Converter.php
+++ b/app/code/Magento/Paypal/Model/Config/Rules/Converter.php
@@ -58,7 +58,6 @@ class Converter implements ConverterInterface
     protected function createEvents(\DOMElement $node)
     {
         $result = [];
-        /** @var \DOMElement $child */
         foreach ($node->childNodes as $child) {
             /** @var \DOMElement $child */
             if ($this->hasNodeElement($child)) {
diff --git a/app/code/Magento/Paypal/view/adminhtml/web/js/rules/conflict.js b/app/code/Magento/Paypal/view/adminhtml/web/js/rules/conflict.js
index ab0ca8b9f608c356d024f09d0d4f041787ef1851..54b263be6421dcdd7534f811c7ef80a02be12e99 100644
--- a/app/code/Magento/Paypal/view/adminhtml/web/js/rules/conflict.js
+++ b/app/code/Magento/Paypal/view/adminhtml/web/js/rules/conflict.js
@@ -33,7 +33,7 @@
                 if (!isDisabled && !executed) {
                     executed = true;
                     alert({
-                        content: 'The following error(s) occurred:\n\r' +
+                        content: 'The following error(s) occurred:' +
                         newLine +
                         'Some PayPal solutions conflict.' +
                         newLine +
diff --git a/app/code/Magento/Paypal/view/adminhtml/web/js/rules/payflow/bml/enable-conditional.js b/app/code/Magento/Paypal/view/adminhtml/web/js/rules/payflow/bml/enable-conditional.js
index 77d3e28aa726cba72ea2560b8960d3361992aca8..9770d463f45fc676eeda339a9d7849368822f93f 100644
--- a/app/code/Magento/Paypal/view/adminhtml/web/js/rules/payflow/bml/enable-conditional.js
+++ b/app/code/Magento/Paypal/view/adminhtml/web/js/rules/payflow/bml/enable-conditional.js
@@ -10,7 +10,7 @@ define(['underscore'], function (_) {
 
         _.every(data.argument, function (name) {
             if (data.solutionsElements[name] &&
-                data.solutionsElements[name].find(data.enableButton).val() == 1
+                data.solutionsElements[name].find(data.enableButton).val() === '1'
             ) {
                 isDisabled = false;
 
diff --git a/app/code/Magento/Paypal/view/adminhtml/web/js/rules/paypal/express/unlock-configuration.js b/app/code/Magento/Paypal/view/adminhtml/web/js/rules/paypal/express/unlock-configuration.js
index a13142e359e1ddf987f63475a119f7abaca63c66..fda160c6d94f4babe5257180db769a37aa667537 100644
--- a/app/code/Magento/Paypal/view/adminhtml/web/js/rules/paypal/express/unlock-configuration.js
+++ b/app/code/Magento/Paypal/view/adminhtml/web/js/rules/paypal/express/unlock-configuration.js
@@ -10,7 +10,7 @@ define(['underscore'], function (_) {
 
         _.every(data.argument, function (name) {
             if (data.solutionsElements[name] &&
-                data.solutionsElements[name].find(data.enableButton).val() == 1
+                data.solutionsElements[name].find(data.enableButton).val() === '1'
             ) {
                 isUnlock = false;