diff --git a/src/core/components/layout-utils.jsx b/src/core/components/layout-utils.jsx
index e6a13fcc..25115d3b 100644
--- a/src/core/components/layout-utils.jsx
+++ b/src/core/components/layout-utils.jsx
@@ -56,7 +56,7 @@ export class Col extends React.Component {
     let classesAr = []
 
     for (let device in DEVICES) {
-      if (!DEVICES.hasOwnProperty(device)) {
+      if (!Object.prototype.hasOwnProperty.call(DEVICES, device)) {
         continue
       }
       let deviceClass = DEVICES[device]
diff --git a/src/core/index.js b/src/core/index.js
index 32493a92..930305ea 100644
--- a/src/core/index.js
+++ b/src/core/index.js
@@ -141,7 +141,7 @@ export default function SwaggerUI(opts) {
     // known usage: Swagger-Editor validate plugin tests
     for (var key in constructorConfig.initialState) {
       if(
-        constructorConfig.initialState.hasOwnProperty(key)
+        Object.prototype.hasOwnProperty.call(constructorConfig.initialState, key)
         && constructorConfig.initialState[key] === undefined
       ) {
         delete storeConfigs.state[key]
diff --git a/src/core/plugins/download-url.js b/src/core/plugins/download-url.js
index 495cfd2d..527cc03b 100644
--- a/src/core/plugins/download-url.js
+++ b/src/core/plugins/download-url.js
@@ -1,5 +1,3 @@
-/* global Promise */
-
 import { createSelector } from "reselect"
 import { Map } from "immutable"
 import win from "../window"
diff --git a/src/core/plugins/samples/fn.js b/src/core/plugins/samples/fn.js
index 24a37953..3a313b95 100644
--- a/src/core/plugins/samples/fn.js
+++ b/src/core/plugins/samples/fn.js
@@ -76,7 +76,7 @@ const liftSampleHelper = (oldSchema, target, config = {}) => {
     }
     let props = objectify(oldSchema.properties)
     for (let propName in props) {
-      if (!props.hasOwnProperty(propName)) {
+      if (!Object.prototype.hasOwnProperty.call(props, propName)) {
         continue
       }
       if ( props[propName] && props[propName].deprecated ) {
@@ -133,7 +133,7 @@ export const sampleFromSchemaGeneric = (schema, config={}, exampleOverride = und
       }
       let props = objectify(schemaToAdd.properties)
       for (let propName in props) {
-        if (!props.hasOwnProperty(propName)) {
+        if (!Object.prototype.hasOwnProperty.call(props, propName)) {
           continue
         }
         if ( props[propName] && props[propName].deprecated ) {
@@ -386,7 +386,7 @@ export const sampleFromSchemaGeneric = (schema, config={}, exampleOverride = und
         return sample
       }
       for (let propName in sample) {
-        if (!sample.hasOwnProperty(propName)) {
+        if (!Object.prototype.hasOwnProperty.call(sample, propName)) {
           continue
         }
         if (schema && props[propName] && props[propName].readOnly && !includeReadOnly) {
@@ -416,7 +416,7 @@ export const sampleFromSchemaGeneric = (schema, config={}, exampleOverride = und
 
   if(type === "object") {
     for (let propName in props) {
-      if (!props.hasOwnProperty(propName)) {
+      if (!Object.prototype.hasOwnProperty.call(props, propName)) {
         continue
       }
       if ( props[propName] && props[propName].deprecated ) {
diff --git a/src/core/utils.js b/src/core/utils.js
index 853bf682..fce58316 100644
--- a/src/core/utils.js
+++ b/src/core/utils.js
@@ -688,7 +688,7 @@ export const parseSearch = () => {
     let params = search.substr(1).split("&")
 
     for (let i in params) {
-      if (!params.hasOwnProperty(i)) {
+      if (!Object.prototype.hasOwnProperty.call(params, i)) {
         continue
       }
       i = params[i].split("=")