diff --git a/src/core/components/auth/authorize-btn.jsx b/src/core/components/auth/authorize-btn.jsx
index e1190096..315312d4 100644
--- a/src/core/components/auth/authorize-btn.jsx
+++ b/src/core/components/auth/authorize-btn.jsx
@@ -6,7 +6,7 @@ export default class AuthorizeBtn extends React.Component {
   }
 
   onClick =() => {
-    let { authActions, authSelectors, errActions} = this.props
+    let { authActions, authSelectors } = this.props
     let definitions = authSelectors.definitionsToAuthorize()
 
     authActions.showDefinitions(definitions)
diff --git a/src/core/components/auth/auths.jsx b/src/core/components/auth/auths.jsx
index 9b406c3d..9e9cf6f6 100644
--- a/src/core/components/auth/auths.jsx
+++ b/src/core/components/auth/auths.jsx
@@ -42,14 +42,12 @@ export default class Auths extends React.Component {
   }
 
   render() {
-    let { definitions, getComponent, authSelectors, errSelectors, specSelectors } = this.props
+    let { definitions, getComponent, authSelectors, errSelectors } = this.props
     const ApiKeyAuth = getComponent("apiKeyAuth")
     const BasicAuth = getComponent("basicAuth")
     const Oauth2 = getComponent("oauth2", true)
     const Button = getComponent("Button")
-    const JumpToPath = getComponent("JumpToPath", true)
 
-    let specStr = specSelectors.specStr()
     let authorized = authSelectors.authorized()
 
     let authorizedAuth = definitions.filter( (definition, key) => {
diff --git a/src/core/components/auth/oauth2.jsx b/src/core/components/auth/oauth2.jsx
index 31be8c15..052aec00 100644
--- a/src/core/components/auth/oauth2.jsx
+++ b/src/core/components/auth/oauth2.jsx
@@ -16,7 +16,8 @@ export default class Oauth2 extends React.Component {
     authSelectors: PropTypes.object.isRequired,
     authActions: PropTypes.object.isRequired,
     errSelectors: PropTypes.object.isRequired,
-    errActions: PropTypes.object.isRequired
+    errActions: PropTypes.object.isRequired,
+    getConfigs: PropTypes.function
   }
 
   constructor(props, context) {
diff --git a/src/core/components/errors.jsx b/src/core/components/errors.jsx
index 329a291f..7a975f35 100644
--- a/src/core/components/errors.jsx
+++ b/src/core/components/errors.jsx
@@ -1,7 +1,6 @@
 import React, { PropTypes } from "react"
-import Im, { List } from "immutable"
+import { List } from "immutable"
 import Collapse from "react-collapse"
-import sortBy from "lodash/sortBy"
 
 export default class Errors extends React.Component {
 
diff --git a/src/core/components/execute.jsx b/src/core/components/execute.jsx
index 9f8d602e..37425466 100644
--- a/src/core/components/execute.jsx
+++ b/src/core/components/execute.jsx
@@ -1,5 +1,4 @@
 import React, { Component, PropTypes } from "react"
-import { fromJS } from "immutable"
 
 export default class Execute extends Component {
 
@@ -29,9 +28,6 @@ export default class Execute extends Component {
   onChangeProducesWrapper = ( val ) => this.props.specActions.changeProducesValue([this.props.path, this.props.method], val)
 
   render(){
-    let { getComponent, operation, specActions, path, method } = this.props
-    const ContentType = getComponent( "contentType" )
-
     return (
         <button className="btn execute opblock-control__btn" onClick={ this.onClick }>
           Execute
diff --git a/src/core/components/layout-utils.jsx b/src/core/components/layout-utils.jsx
index 050fbfb4..2e91d6a5 100644
--- a/src/core/components/layout-utils.jsx
+++ b/src/core/components/layout-utils.jsx
@@ -2,8 +2,6 @@ import React, { PropTypes } from "react"
 import OriCollapse from "react-collapse"
 import _Markdown from "react-remarkable"
 
-const noop = () => {}
-
 function xclass(...args) {
   return args.filter(a => !!a).join(" ").trim()
 }
@@ -44,12 +42,14 @@ export class Col extends React.Component {
     const {
       hide,
       keepContents,
-
-      mobile, /* we don't want these in the final component, since React now complains. So we extract them */
+      /* we don't want these in the `rest` object that passes to the final component,
+         since React now complains. So we extract them */
+      /* eslint-disable no-unused-vars */
+      mobile,
       tablet,
       desktop,
       large,
-
+      /* eslint-enable no-unused-vars */
       ...rest
     } = this.props
 
diff --git a/src/core/components/model.jsx b/src/core/components/model.jsx
index 7fc78b88..ec7a2868 100644
--- a/src/core/components/model.jsx
+++ b/src/core/components/model.jsx
@@ -1,6 +1,5 @@
 import React, { Component, PropTypes } from "react"
 import ImPropTypes from "react-immutable-proptypes"
-import isObject from "lodash/isObject"
 import { List } from "immutable"
 const braceOpen = "{"
 const braceClose = "}"
@@ -128,7 +127,6 @@ class Primitive extends Component {
     let format = schema.get("format")
     let xml = schema.get("xml")
     let enumArray = schema.get("enum")
-    let description = schema.get("description")
     let properties = schema.filter( ( v, key) => ["enum", "type", "format", "$$ref"].indexOf(key) === -1 )
     let style = required ? { fontWeight: "bold" } : {}
     let propStyle = { color: "#999", fontStyle: "italic" }
@@ -251,9 +249,6 @@ export default class ModelComponent extends Component {
   }
 
   render(){
-    let { name, schema } = this.props
-    let title = schema.get("title") || name
-
     return <div className="model-box">
       <Model { ...this.props } depth={ 1 } expandDepth={ this.props.expandDepth || 0 }/>
     </div>
diff --git a/src/core/components/models.jsx b/src/core/components/models.jsx
index f3348262..95390924 100644
--- a/src/core/components/models.jsx
+++ b/src/core/components/models.jsx
@@ -4,7 +4,9 @@ import React, { Component, PropTypes } from "react"
 export default class Models extends Component {
   static propTypes = {
     getComponent: PropTypes.func,
-    specSelectors: PropTypes.object
+    specSelectors: PropTypes.object,
+    layoutSelectors: PropTypes.object,
+    layoutActions: PropTypes.object
   }
 
   render(){
diff --git a/src/core/components/online-validator-badge.jsx b/src/core/components/online-validator-badge.jsx
index 292e1a74..2feaed2d 100644
--- a/src/core/components/online-validator-badge.jsx
+++ b/src/core/components/online-validator-badge.jsx
@@ -1,6 +1,12 @@
-import React from "react"
+import React, { PropTypes } from "react"
 
 export default class OnlineValidatorBadge extends React.Component {
+    static propTypes = {
+      getComponent: PropTypes.func.isRequired,
+      getConfigs: PropTypes.func.isRequired,
+      specSelectors: PropTypes.object.isRequired
+    }
+
     constructor(props, context) {
         super(props, context)
         let { specSelectors, getConfigs } = props
diff --git a/src/core/components/operation.jsx b/src/core/components/operation.jsx
index 72af7af1..c5491c58 100644
--- a/src/core/components/operation.jsx
+++ b/src/core/components/operation.jsx
@@ -1,5 +1,4 @@
 import React, { PropTypes } from "react"
-import { Map, fromJS } from "immutable"
 import shallowCompare from "react-addons-shallow-compare"
 import { getList } from "core/utils"
 import * as CustomPropTypes from "core/proptypes"
@@ -112,9 +111,7 @@ export default class Operation extends React.Component {
       specActions,
       specSelectors,
       authActions,
-      authSelectors,
-      layoutSelectors,
-      layoutActions,
+      authSelectors
     } = this.props
 
     let summary = operation.get("summary")
diff --git a/src/core/components/operations.jsx b/src/core/components/operations.jsx
index b9d3bda7..20a9b460 100644
--- a/src/core/components/operations.jsx
+++ b/src/core/components/operations.jsx
@@ -1,5 +1,4 @@
 import React, { PropTypes } from "react"
-import {presets} from "react-motion"
 
 export default class Operations extends React.Component {
 
@@ -33,7 +32,6 @@ export default class Operations extends React.Component {
 
     const Operation = getComponent("operation")
     const Collapse = getComponent("Collapse")
-    const Schemes = getComponent("schemes")
 
     let showSummary = layoutSelectors.showSummary()
 
diff --git a/src/core/components/overview.jsx b/src/core/components/overview.jsx
index 791e31fc..327c0135 100644
--- a/src/core/components/overview.jsx
+++ b/src/core/components/overview.jsx
@@ -30,7 +30,6 @@ export default class Overview extends React.Component {
           {
             taggedOps.map( (tagObj, tag) => {
               let operations = tagObj.get("operations")
-              let tagDetails = tagObj.get("tagDetails")
 
               let showTagId = ["overview-tags", tag]
               let showTag = layoutSelectors.isShown(showTagId, true)
@@ -45,7 +44,7 @@ export default class Overview extends React.Component {
                   <Collapse isOpened={showTag} animated>
                     {
                       operations.map( op => {
-                        let { path, method, operation, id } = op.toObject() // toObject is shallow
+                        let { path, method, id } = op.toObject() // toObject is shallow
                         let showOpIdPrefix = "operations"
                         let showOpId = id
                         let shown = layoutSelectors.isShown([showOpIdPrefix, showOpId])
diff --git a/src/core/components/param-body.jsx b/src/core/components/param-body.jsx
index 8888b253..7ce06d4d 100644
--- a/src/core/components/param-body.jsx
+++ b/src/core/components/param-body.jsx
@@ -1,6 +1,6 @@
 import React, { Component, PropTypes } from "react"
 import shallowCompare from "react-addons-shallow-compare"
-import { Set, fromJS, List } from "immutable"
+import { fromJS, List } from "immutable"
 import { getSampleSchema } from "core/utils"
 
 const NOOP = Function.prototype
@@ -50,7 +50,7 @@ export default class ParamBody extends Component {
   }
 
   updateValues = (props) => {
-    let { specSelectors, pathMethod, param, isExecute, consumesValue="", onChangeConsumes } = props
+    let { specSelectors, pathMethod, param, isExecute, consumesValue="" } = props
     let parameter = specSelectors ? specSelectors.getParameter(pathMethod, param.get("name")) : {}
     let isXml = /xml/i.test(consumesValue)
     let paramValue = isXml ? parameter.get("value_xml") : parameter.get("value")
diff --git a/src/core/components/parameters.jsx b/src/core/components/parameters.jsx
index 7b562b6d..a1659849 100644
--- a/src/core/components/parameters.jsx
+++ b/src/core/components/parameters.jsx
@@ -1,6 +1,6 @@
 import React, { Component, PropTypes } from "react"
 import ImPropTypes from "react-immutable-proptypes"
-import Im, { fromJS } from "immutable"
+import Im from "immutable"
 
 // More readable, just iterate over maps, only
 const eachMap = (iterable, fn) => iterable.valueSeq().filter(Im.Map.isMap).map(fn)
@@ -87,7 +87,7 @@ export default class Parameters extends Component {
               </thead>
               <tbody>
                 {
-                  eachMap(parameters, (parameter, k) => (
+                  eachMap(parameters, (parameter) => (
                     <ParameterRow fn={ fn }
                       getComponent={ getComponent }
                       param={ parameter }
diff --git a/src/core/components/schemes.jsx b/src/core/components/schemes.jsx
index 4b10084f..6801c05f 100644
--- a/src/core/components/schemes.jsx
+++ b/src/core/components/schemes.jsx
@@ -17,8 +17,6 @@ export default class Schemes extends React.Component {
   }
 
   onChange =( e ) => {
-    let { path, method, specActions } = this.props
-
     this.setScheme( e.target.value )
   }
 
diff --git a/src/core/components/try-it-out-button.jsx b/src/core/components/try-it-out-button.jsx
index 30f98e1b..aa2b4da2 100644
--- a/src/core/components/try-it-out-button.jsx
+++ b/src/core/components/try-it-out-button.jsx
@@ -4,11 +4,13 @@ export default class TryItOutButton extends React.Component {
 
   static propTypes = {
     onTryoutClick: PropTypes.func,
+    onCancelClick: PropTypes.func,
     enabled: PropTypes.bool, // Try it out is enabled, ie: the user has access to the form
   };
 
   static defaultProps = {
     onTryoutClick: Function.prototype,
+    onCancelClick: Function.prototype,
     enabled: false,
   };
 
diff --git a/src/core/index.js b/src/core/index.js
index 322c65f2..423160b6 100644
--- a/src/core/index.js
+++ b/src/core/index.js
@@ -68,7 +68,7 @@ module.exports = function SwaggerUI(opts) {
   var system = store.getSystem()
   let queryConfig = parseSeach()
 
-  const downloadSpec = (configs) => {
+  const downloadSpec = () => {
     if(typeof constructorConfig !== "object") {
       return system
     }
@@ -96,7 +96,7 @@ module.exports = function SwaggerUI(opts) {
   }
 
   if (!system.specActions.getConfigByUrl || (system.specActions.getConfigByUrl && !system.specActions.getConfigByUrl(downloadSpec))) {
-    return downloadSpec(constructorConfig)
+    return downloadSpec()
   }
 
 }
diff --git a/src/core/json-schema-components.js b/src/core/json-schema-components.js
index 91600caa..a917beae 100644
--- a/src/core/json-schema-components.js
+++ b/src/core/json-schema-components.js
@@ -1,8 +1,6 @@
 import React, { PropTypes, Component } from "react"
-import { arrayify } from "core/utils"
 import shallowCompare from "react-addons-shallow-compare"
 import { List, fromJS } from "immutable"
-import assign from "object-assign"
 //import "less/json-schema-form"
 
 const noop = ()=> {}
@@ -53,7 +51,7 @@ export class JsonSchema_string extends Component {
   }
   onEnumChange = (val) => this.props.onChange(val)
   render() {
-    let { getComponent, value, schema, fn, required, description } = this.props
+    let { getComponent, value, schema, required, description } = this.props
     let enumValue = schema["enum"]
     let errors = schema.errors || []
 
@@ -119,13 +117,13 @@ export class JsonSchema_array extends Component {
   }
 
   onEnumChange = (value) => {
-    this.setState(state => ({
+    this.setState(() => ({
       value: value
     }), this.onChange)
   }
 
   render() {
-    let { getComponent, onChange, required, schema, fn } = this.props
+    let { getComponent, required, schema, fn } = this.props
 
     let itemSchema = fn.inferSchema(schema.items)
 
diff --git a/src/core/path-translator.js b/src/core/path-translator.js
index c44ecd66..4d1ed27b 100644
--- a/src/core/path-translator.js
+++ b/src/core/path-translator.js
@@ -26,7 +26,7 @@ export function transformPathToArray(property, jsSpec) {
       return a.concat(b)
     }, [])
     .concat([""]) // add an empty item into the array, so we don't get stuck with something in our buffer below
-    .reduce((buffer, curr, i, arr) => {
+    .reduce((buffer, curr) => {
       let obj = pathArr.length ? get(jsSpec, pathArr) : jsSpec
 
       if(get(obj, makeAccessArray(buffer, curr))) {
diff --git a/src/core/plugins/ast/ast.js b/src/core/plugins/ast/ast.js
index 196a66b6..d067e80f 100644
--- a/src/core/plugins/ast/ast.js
+++ b/src/core/plugins/ast/ast.js
@@ -277,8 +277,6 @@ export let getLineNumberForPathAsync = promisifySyncFn(getLineNumberForPath)
 
 function promisifySyncFn(fn) {
   return function(...args) {
-    return new Promise(function(resolve, reject) {
-      resolve(fn(...args))
-    })
+    return new Promise((resolve) => resolve(fn(...args)))
   }
 }
diff --git a/src/core/plugins/auth/reducers.js b/src/core/plugins/auth/reducers.js
index ded329ce..13aa90e7 100644
--- a/src/core/plugins/auth/reducers.js
+++ b/src/core/plugins/auth/reducers.js
@@ -4,7 +4,6 @@ import btoa from "btoa"
 import {
   SHOW_AUTH_POPUP,
   AUTHORIZE,
-  PRE_AUTHORIZE_OAUTH2,
   AUTHORIZE_OAUTH2,
   LOGOUT
 } from "./actions"
@@ -21,7 +20,6 @@ export default {
     // refactor withMutations
     securities.entrySeq().forEach( ([ key, security ]) => {
       let type = security.getIn(["schema", "type"])
-      let name = security.get("name")
 
       if ( type === "apiKey" ) {
         map = map.set(key, security)
diff --git a/src/core/plugins/auth/selectors.js b/src/core/plugins/auth/selectors.js
index 784b9209..f1068997 100644
--- a/src/core/plugins/auth/selectors.js
+++ b/src/core/plugins/auth/selectors.js
@@ -10,7 +10,7 @@ export const shownDefinitions = createSelector(
 
 export const definitionsToAuthorize = createSelector(
     state,
-    auth =>( { specSelectors } ) => {
+    () =>( { specSelectors } ) => {
       let definitions = specSelectors.securityDefinitions()
       let list = List()
 
@@ -66,7 +66,6 @@ export const authorized = createSelector(
 
 export const isAuthorized = ( state, securities ) =>( { authSelectors } ) => {
   let authorized = authSelectors.authorized()
-  let isAuth = false
 
   return !!securities.toJS().filter( ( security ) => {
       let isAuthorized = true
diff --git a/src/core/plugins/auth/spec-wrap-actions.js b/src/core/plugins/auth/spec-wrap-actions.js
index d0879e3c..fff0cb25 100644
--- a/src/core/plugins/auth/spec-wrap-actions.js
+++ b/src/core/plugins/auth/spec-wrap-actions.js
@@ -1,5 +1,3 @@
-import { Map } from "immutable"
-
 // Add security to the final `execute` call ( via `extras` )
 export const execute = ( oriAction, { authSelectors, specSelectors }) => ({ path, method, operation, extras }) => {
   let securities = {
@@ -10,4 +8,3 @@ export const execute = ( oriAction, { authSelectors, specSelectors }) => ({ path
 
   return oriAction({ path, method, operation, securities, ...extras })
 }
-
diff --git a/src/core/plugins/download-url.js b/src/core/plugins/download-url.js
index c1180583..77d5a879 100644
--- a/src/core/plugins/download-url.js
+++ b/src/core/plugins/download-url.js
@@ -4,7 +4,7 @@ import { createSelector } from "reselect"
 import { Map } from "immutable"
 
 export default function downloadUrlPlugin (toolbox) {
-  let { fn, Im } = toolbox
+  let { fn } = toolbox
 
   const actions = {
     download: (url)=> ({ errActions, specSelectors, specActions }) => {
diff --git a/src/core/plugins/err/actions.js b/src/core/plugins/err/actions.js
index 051bbea6..d7051b74 100644
--- a/src/core/plugins/err/actions.js
+++ b/src/core/plugins/err/actions.js
@@ -20,14 +20,14 @@ export function newThrownErrBatch(errors) {
   }
 }
 
-export function newSpecErr(err, action) {
+export function newSpecErr(err) {
   return {
       type: NEW_SPEC_ERR,
       payload: err
   }
 }
 
-export function newAuthErr(err, action) {
+export function newAuthErr(err) {
   return {
     type: NEW_AUTH_ERR,
     payload: err
diff --git a/src/core/plugins/err/error-transformers/hook.js b/src/core/plugins/err/error-transformers/hook.js
index 80faffbc..badec81d 100644
--- a/src/core/plugins/err/error-transformers/hook.js
+++ b/src/core/plugins/err/error-transformers/hook.js
@@ -1,4 +1,3 @@
-import concat from "lodash/concat"
 import reduce from "lodash/reduce"
 let request = require.context("./transformers/", true, /\.js$/)
 let errorTransformers = []
diff --git a/src/core/plugins/err/error-transformers/transformers/parameter-oneof.js b/src/core/plugins/err/error-transformers/transformers/parameter-oneof.js
index e95d6020..9e363cd0 100644
--- a/src/core/plugins/err/error-transformers/transformers/parameter-oneof.js
+++ b/src/core/plugins/err/error-transformers/transformers/parameter-oneof.js
@@ -1,6 +1,5 @@
 import get from "lodash/get"
-import last from "lodash/get"
-import { fromJS, List } from "immutable"
+import { fromJS } from "immutable"
 
 export function transform(errors, { jsSpec }) {
   // LOOK HERE THIS TRANSFORMER IS CURRENTLY DISABLED 😃
diff --git a/src/core/plugins/spec/actions.js b/src/core/plugins/spec/actions.js
index 714c2ec2..ed61f34a 100644
--- a/src/core/plugins/spec/actions.js
+++ b/src/core/plugins/spec/actions.js
@@ -184,7 +184,7 @@ export const logRequest = (req) => {
 
 // Actually fire the request via fn.execute
 // (For debugging) and ease of testing
-export const executeRequest = (req) => ({fn, specActions, errActions}) => {
+export const executeRequest = (req) => ({fn, specActions}) => {
   let { pathName, method } = req
   let parsedRequest = Object.assign({}, req)
   if ( pathName && method ) {
diff --git a/src/core/plugins/spec/reducers.js b/src/core/plugins/spec/reducers.js
index 757943cb..18ce101d 100644
--- a/src/core/plugins/spec/reducers.js
+++ b/src/core/plugins/spec/reducers.js
@@ -51,7 +51,6 @@ export default {
 
   [VALIDATE_PARAMS]: ( state, { payload:  { pathMethod } } ) => {
     let operation = state.getIn( [ "resolved", "paths", ...pathMethod ] )
-    let parameters = operation.get("parameters")
     let isXml = /xml/i.test(operation.get("consumes_value"))
 
     return state.updateIn( [ "resolved", "paths", ...pathMethod, "parameters" ], fromJS([]), parameters => {
@@ -64,9 +63,6 @@ export default {
     })
   },
   [ClEAR_VALIDATE_PARAMS]: ( state, { payload:  { pathMethod } } ) => {
-    let operation = state.getIn( [ "resolved", "paths", ...pathMethod ] )
-    let parameters = operation.get("parameters")
-
     return state.updateIn( [ "resolved", "paths", ...pathMethod, "parameters" ], fromJS([]), parameters => {
       return parameters.withMutations( parameters => {
         for ( let i = 0, len = parameters.count(); i < len; i++ ) {
diff --git a/src/core/plugins/spec/selectors.js b/src/core/plugins/spec/selectors.js
index 422c95ab..69286e5b 100644
--- a/src/core/plugins/spec/selectors.js
+++ b/src/core/plugins/spec/selectors.js
@@ -224,7 +224,7 @@ export const requestFor = (state, path, method) => {
   return requests(state).getIn([path, method], null)
 }
 
-export const allowTryItOutFor = (state, path, method ) => {
+export const allowTryItOutFor = () => {
   // This is just a hook for now.
   return true
 }
diff --git a/src/core/plugins/view/root-injects.js b/src/core/plugins/view/root-injects.js
index d3191260..2eaa0616 100644
--- a/src/core/plugins/view/root-injects.js
+++ b/src/core/plugins/view/root-injects.js
@@ -3,10 +3,6 @@ import ReactDOM from "react-dom"
 import { connect, Provider } from "react-redux"
 import omit from "lodash/omit"
 
-
-const NotFoundComponent = name => ()=> <span style={{color: "red"}}> "{name}" component not found </span>
-
-
 const SystemWrapper = (getSystem, ComponentToWrap ) => class extends Component {
   render() {
     return <ComponentToWrap {...getSystem() } {...this.props} {...this.context} />
@@ -75,10 +71,10 @@ const createClass = component => React.createClass({
   }
 })
 
-const Fallback = ({ error, name }) => <div style={{ // eslint-disable-line react/prop-types
+const Fallback = ({ name }) => <div style={{ // eslint-disable-line react/prop-types
     padding: "1em",
     "color": "#aaa"
-  }}>😱 <i>Could not render { name ? name : "this component" }, see console.</i></div>
+  }}>😱 <i>Could not render { name || name === "t" ? name : "this component" }, see the console.</i></div>
 
 const wrapRender = (component) => {
   const isStateless = component => !(component.prototype && component.prototype.isReactComponent)
diff --git a/src/core/system.js b/src/core/system.js
index 85695bd8..05c8fb3a 100644
--- a/src/core/system.js
+++ b/src/core/system.js
@@ -1,7 +1,6 @@
 import { createStore, applyMiddleware, bindActionCreators, compose } from "redux"
 import Im, { fromJS, Map } from "immutable"
 import deepExtend from "deep-extend"
-import createLogger from "redux-logger"
 import { combineReducers } from "redux-immutable"
 import assign from "object-assign"
 import serializeError from "serialize-error"
diff --git a/src/core/utils.js b/src/core/utils.js
index c787caf3..a594adf2 100644
--- a/src/core/utils.js
+++ b/src/core/utils.js
@@ -135,12 +135,11 @@ export function getList(iterable, keys) {
 // Adapted from http://stackoverflow.com/a/2893259/454004
 // Note: directly ported from CoffeeScript
 export function formatXml (xml) {
-  var contexp, fn, formatted, indent, l, lastType, len, lines, ln, pad, reg, transitions, wsexp
+  var contexp, fn, formatted, indent, l, lastType, len, lines, ln, reg, transitions, wsexp
   reg = /(>)(<)(\/*)/g
   wsexp = /[ ]*(.*)[ ]+\n/g
   contexp = /(<.+>)(.+\n)/g
   xml = xml.replace(/\r\n/g, "\n").replace(reg, "$1\n$2$3").replace(wsexp, "$1\n").replace(contexp, "$1\n$2")
-  pad = 0
   formatted = ""
   lines = xml.split("\n")
   indent = 0
@@ -164,7 +163,7 @@ export function formatXml (xml) {
     "other->other": 0
   }
   fn = function(ln) {
-    var fromTo, j, key, padding, type, types, value
+    var fromTo, key, padding, type, types, value
     types = {
       single: Boolean(ln.match(/<.+\/>/)),
       closing: Boolean(ln.match(/<\/.+>/)),
@@ -187,11 +186,13 @@ export function formatXml (xml) {
     padding = ""
     indent += transitions[fromTo]
     padding = ((function() {
-      var m, ref1, results
+      /* eslint-disable no-unused-vars */
+      var m, ref1, results, j
       results = []
       for (j = m = 0, ref1 = indent; 0 <= ref1 ? m < ref1 : m > ref1; j = 0 <= ref1 ? ++m : --m) {
         results.push("  ")
       }
+      /* eslint-enable no-unused-vars */
       return results
     })()).join("")
     if (fromTo === "opening->closing") {
@@ -215,19 +216,9 @@ export function formatXml (xml) {
 export function highlight (el) {
   const MAX_LENGTH = 5000
   var
-    _window = window,
     _document = document,
     appendChild = "appendChild",
-    test = "test",
-  // style and color templates
-    textShadow = ";text-shadow:",
-    opacity = "opacity:.",
-    _0px_0px = " 0px 0px ",
-    _3px_0px_5 = "3px 0px 5",
-    brace = ")",
-
-    i,
-    microlighted
+    test = "test"
 
   if (!el) return ""
   if (el.textContent.length > MAX_LENGTH) { return el.textContent }
@@ -260,14 +251,7 @@ export function highlight (el) {
       lastTokenType,
     // flag determining if token is multi-character
       multichar,
-      node,
-
-    // calculating the colors for the style templates
-      colorArr = /(\d*\, \d*\, \d*)(, ([.\d]*))?/g.exec(
-        _window.getComputedStyle(el).color
-      ),
-      pxColor = "px rgba("+colorArr[1]+",",
-      alpha = colorArr[3]||1
+      node
 
     // running through characters and highlighting
     while (prev2 = prev1,
@@ -468,6 +452,17 @@ export const propChecker = (props, nextProps, objectList=[], ignoreList=[]) => {
     || objectList.some( objectPropName => !eq(props[objectPropName], nextProps[objectPropName])))
 }
 
+const validateNumber = ( val ) => {
+  if ( !/^\d+(.?\d+)?$/.test(val)) {
+    return "Value must be a number"
+  }
+}
+
+const validateInteger = ( val ) => {
+  if ( !/^\d+$/.test(val)) {
+    return "Value must be integer"
+  }
+}
 
 // validation of parameters before execute
 export const validateParam = (param, isXml) => {
@@ -517,22 +512,9 @@ export const validateParam = (param, isXml) => {
   return errors
 }
 
-const validateNumber = ( val ) => {
-  if ( !/^\d+(.?\d+)?$/.test(val)) {
-    return "Value must be a number"
-  }
-}
-
-const validateInteger = ( val ) => {
-  if ( !/^\d+$/.test(val)) {
-    return "Value must be integer"
-  }
-}
-
 export const getSampleSchema = (schema, contentType="", config={}) => {
   if (/xml/.test(contentType)) {
     if (!schema.xml || !schema.xml.name) {
-      let name
       schema.xml = schema.xml || {}
 
       if (schema.$$ref) {
@@ -564,4 +546,4 @@ export const parseSeach = () => {
   }
 
   return map
-}
\ No newline at end of file
+}
diff --git a/src/plugins/configs/index.js b/src/plugins/configs/index.js
index bd2861b1..51317fc6 100644
--- a/src/plugins/configs/index.js
+++ b/src/plugins/configs/index.js
@@ -37,7 +37,7 @@ export default function configPlugin (toolbox) {
             function next(res) {
                 if (res instanceof Error || res.status >= 400) {
                     specActions.updateLoadingStatus("failedConfig")
-                    console.log(res.statusText + " " + configUrl)
+                    console.error(res.statusText + " " + configUrl)
                 } else {
                     callback(parseYamlConfig(res.text))
                 }
@@ -70,4 +70,4 @@ export function filterConfigs (configs) {
     }
 
     return filteredConfigs
-}
\ No newline at end of file
+}
diff --git a/src/standalone/layout.jsx b/src/standalone/layout.jsx
index bd6f3f3b..83e614d6 100644
--- a/src/standalone/layout.jsx
+++ b/src/standalone/layout.jsx
@@ -6,12 +6,14 @@ export default class StandaloneLayout extends React.Component {
     errSelectors: PropTypes.object.isRequired,
     errActions: PropTypes.object.isRequired,
     specActions: PropTypes.object.isRequired,
+    specSelectors: PropTypes.object.isRequired,
     layoutSelectors: PropTypes.object.isRequired,
-    layoutActions: PropTypes.object.isRequired
+    layoutActions: PropTypes.object.isRequired,
+    getComponent: PropTypes.func.isRequired
   }
 
   render() {
-    let { specSelectors, specActions, getComponent, errSelectors, errActions, spec, readOnly } = this.props
+    let { specSelectors, specActions, getComponent } = this.props
 
     let info = specSelectors.info()
     let url = specSelectors.url()
@@ -28,9 +30,7 @@ export default class StandaloneLayout extends React.Component {
     let Container = getComponent("Container")
     let Row = getComponent("Row")
     let Col = getComponent("Col")
-    let Button = getComponent("Button")
     let Errors = getComponent("errors", true)
-    const SplitPaneMode = getComponent("SplitPaneMode", true)
     const Schemes = getComponent("schemes")
 
     const Topbar = getComponent("Topbar", true)
diff --git a/test/components/operation.js b/test/components/operation.js
index 589fe4b9..46af6fed 100644
--- a/test/components/operation.js
+++ b/test/components/operation.js
@@ -3,7 +3,6 @@ import React from "react"
 import expect, { createSpy } from "expect"
 import { shallow } from "enzyme"
 import Operation from "components/operation"
-import Collapse from "react-collapse"
 
 describe("<Operation/>", function(){
   it.skip("blanket tests", function(){
diff --git a/test/core/path-translator.js b/test/core/path-translator.js
index 443883c5..7abc1d8e 100644
--- a/test/core/path-translator.js
+++ b/test/core/path-translator.js
@@ -1,5 +1,5 @@
 /* eslint-env mocha */
-import expect, { createSpy } from "expect"
+import expect from "expect"
 import { transformPathToArray } from "core/path-translator"
 
 describe("validation plugin - path translator", function(){
diff --git a/test/core/plugins/auth-spec-wrap-actions.js b/test/core/plugins/auth-spec-wrap-actions.js
index 3db627f2..d8a967ec 100644
--- a/test/core/plugins/auth-spec-wrap-actions.js
+++ b/test/core/plugins/auth-spec-wrap-actions.js
@@ -1,6 +1,5 @@
 /* eslint-env mocha */
 import expect, { createSpy } from "expect"
-import { fromJS } from "immutable"
 import { execute } from "corePlugins/auth/spec-wrap-actions"
 
 describe("spec plugin - actions", function(){
@@ -18,7 +17,7 @@ describe("spec plugin - actions", function(){
 
       // When
       let executeFn = execute(oriExecute, system)
-      let executePromise = executeFn({})
+      executeFn({})
 
       // Then
       expect(oriExecute.calls.length).toEqual(1)
diff --git a/test/core/plugins/err/transformers/not-of-type.js b/test/core/plugins/err/transformers/not-of-type.js
index 9a9da032..cd84eca3 100644
--- a/test/core/plugins/err/transformers/not-of-type.js
+++ b/test/core/plugins/err/transformers/not-of-type.js
@@ -1,4 +1,4 @@
-import expect, { createSpy } from "expect"
+import expect from "expect"
 import { Map, List } from "immutable"
 import { transform } from "corePlugins/err/error-transformers/transformers/not-of-type"
 
diff --git a/test/core/plugins/err/transformers/parameter-oneof.js b/test/core/plugins/err/transformers/parameter-oneof.js
index aa9f2b77..f44cd792 100644
--- a/test/core/plugins/err/transformers/parameter-oneof.js
+++ b/test/core/plugins/err/transformers/parameter-oneof.js
@@ -1,5 +1,5 @@
-import expect, { createSpy } from "expect"
-import { Map, List, fromJS } from "immutable"
+import expect from "expect"
+import { fromJS } from "immutable"
 import { transform } from "corePlugins/err/error-transformers/transformers/parameter-oneof"
 
 describe.skip("err plugin - tranformers - parameter oneof", () => {
diff --git a/test/core/plugins/spec-actions.js b/test/core/plugins/spec-actions.js
index dff3b8e4..3d254615 100644
--- a/test/core/plugins/spec-actions.js
+++ b/test/core/plugins/spec-actions.js
@@ -25,7 +25,7 @@ describe("spec plugin - actions", function(){
 
       // When
       let executeFn = execute({ path: "/one", method: "get"})
-      let executePromise = executeFn(system)
+      executeFn(system)
 
       // Then
       expect(system.specActions.executeRequest.calls[0].arguments[0]).toEqual({
@@ -60,7 +60,7 @@ describe("spec plugin - actions", function(){
 
       // When
       let executeFn = execute({ hi: "hello" })
-      let executePromise = executeFn(system)
+      executeFn(system)
 
       // Then
       expect(system.specActions.executeRequest.calls[0].arguments[0]).toInclude({hi: "hello"})
@@ -72,7 +72,6 @@ describe("spec plugin - actions", function(){
 
     xit("should call fn.execute with arg ", function(){
 
-      const response = {}
       const system = {
         fn: {
           execute: createSpy().andReturn(Promise.resolve())
diff --git a/test/core/plugins/spec-selectors.js b/test/core/plugins/spec-selectors.js
index 53ab12d0..f2535aad 100644
--- a/test/core/plugins/spec-selectors.js
+++ b/test/core/plugins/spec-selectors.js
@@ -1,5 +1,5 @@
 /* eslint-env mocha */
-import expect, { createSpy } from "expect"
+import expect from "expect"
 import { fromJS } from "immutable"
 import { parameterValues, contentTypeValues } from "corePlugins/spec/selectors"
 
diff --git a/test/core/system.js b/test/core/system.js
index d0ee1944..9f546ce0 100644
--- a/test/core/system.js
+++ b/test/core/system.js
@@ -240,6 +240,7 @@ describe("bound system", function(){
             statePlugins: {
               kyle: {
                 wrapActions: {
+                  // eslint-disable-next-line no-unused-vars
                   simple: (ori) => (arg) => (sys) => {
                     return { type: "called" }
                   }
@@ -256,7 +257,7 @@ describe("bound system", function(){
 
     })
 
-    
+
   })
 
   describe("selectors", function(){
diff --git a/test/core/utils.js b/test/core/utils.js
index cc18b7c0..636c5f00 100644
--- a/test/core/utils.js
+++ b/test/core/utils.js
@@ -1,5 +1,5 @@
 /* eslint-env mocha */
-import expect, { createSpy } from "expect"
+import expect from "expect"
 import { fromJS } from "immutable"
 import { mapToList } from "core/utils"