diff --git a/.eslintrc.yml b/.eslintrc.yml
index b6f153dd5..781c36628 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -2,9 +2,15 @@ root: true
 extends: '@cordova/eslint-config/browser'
 globals:
   cordova: true
+  LocalFileSystem: true
+  FileError: true
+  DirectoryEntry: true
+  FileWriter: true
+  Flags: true
+  Metadata: true
+  FileSystem: true
+  resolveLocalFileSystemURL: true
 
 overrides:
   - files: [tests/**/*.js]
     extends: '@cordova/eslint-config/node-tests'
-    globals:
-      cordova: true
diff --git a/tests/tests.js b/tests/tests.js
index b442cd942..c12216d45 100644
--- a/tests/tests.js
+++ b/tests/tests.js
@@ -29,7 +29,7 @@ exports.defineAutoTests = function () {
     var isIE = isBrowser && (window.msIndexedDB);
     var isIndexedDBShim = isBrowser && !isChrome; // Firefox and IE for example
 
-    var isWindows = (cordova.platformId === 'windows' || cordova.platformId === 'windows8');
+    var isWindows = cordova.platformId === 'windows';
     /* eslint-enable no-undef */
     var MEDIUM_TIMEOUT = 15000;
 
@@ -417,7 +417,7 @@ exports.defineAutoTests = function () {
                 });
 
                 it('file.spec.11 should error (NOT_FOUND_ERR) when resolving (non-existent) invalid file name', function (done) {
-                    var fileName = cordova.platformId === 'windowsphone' ? root.toURL() + '/' + 'this.is.not.a.valid.file.txt' : joinURL(root.toURL(), 'this.is.not.a.valid.file.txt'); // eslint-disable-line no-undef
+                    var fileName = joinURL(root.toURL(), 'this.is.not.a.valid.file.txt');
                     var fail = function (error) {
                         expect(error).toBeDefined();
                         if (isChrome) {
@@ -2453,7 +2453,7 @@ exports.defineAutoTests = function () {
         // FileReader
         describe('Read method', function () {
             it('file.spec.82 should error out on non-existent file', function (done) {
-                var fileName = cordova.platformId === 'windowsphone' ? root.toURL() + '/' + 'somefile.txt' : 'somefile.txt'; // eslint-disable-line no-undef
+                var fileName = 'somefile.txt';
                 var verifier = function (evt) {
                     expect(evt).toBeDefined();
                     if (isChrome) {
@@ -3440,8 +3440,6 @@ exports.defineAutoTests = function () {
             if (cordova.platformId === 'android') {
                 // Starting from Cordova-Android 10.x, the app content is served from the https scheme
                 pathExpect = 'https://';
-            } else if (cordova.platformId === 'windowsphone') {
-                pathExpect = '//nativ';
             } else if (isChrome) {
                 pathExpect = 'filesystem:http://';
             }
@@ -3788,14 +3786,12 @@ exports.defineAutoTests = function () {
             it('file.spec.129 cordova.file.*Directory are set', function () {
                 var expectedPaths = ['applicationDirectory', 'applicationStorageDirectory', 'dataDirectory', 'cacheDirectory'];
                 /* eslint-disable no-undef */
-                if (cordova.platformId === 'android' || cordova.platformId === 'amazon-fireos') {
+                if (cordova.platformId === 'android') {
                     if (cordova.file.externalApplicationStorageDirectory !== null) {
                         // https://issues.apache.org/jira/browse/CB-10411
                         // If external storage can't be mounted, the cordova.file.external* properties are null.
                         expectedPaths.push('externalApplicationStorageDirectory', 'externalRootDirectory', 'externalCacheDirectory', 'externalDataDirectory');
                     }
-                } else if (cordova.platformId === 'blackberry10') {
-                    expectedPaths.push('externalRootDirectory', 'sharedDirectory');
                 } else if (cordova.platformId === 'ios') {
                     expectedPaths.push('syncedDataDirectory', 'documentsDirectory', 'tempDirectory');
                 } else if (cordova.platformId === 'osx') {
@@ -3817,10 +3813,10 @@ exports.defineAutoTests = function () {
                 var cdvfileApplicationDirectoryFsRootNameURL;
                 if (cordova.platformId === 'android') {
                     cdvfileApplicationDirectoryFsRootName = 'assets';
-                    cdvfileApplicationDirectoryFsRootNameURL = 'https://localhost/__cdvfile_' + cdvfileApplicationDirectoryFsRootName + '__/'
+                    cdvfileApplicationDirectoryFsRootNameURL = 'https://localhost/__cdvfile_' + cdvfileApplicationDirectoryFsRootName + '__/';
                 } else if (cordova.platformId === 'ios') {
                     cdvfileApplicationDirectoryFsRootName = 'bundle';
-                    cdvfileApplicationDirectoryFsRootNameURL = 'cdvfile://localhost/' + cdvfileApplicationDirectoryFsRootName + '/'
+                    cdvfileApplicationDirectoryFsRootNameURL = 'cdvfile://localhost/' + cdvfileApplicationDirectoryFsRootName + '/';
                 } else {
                     pending();
                 }
@@ -4206,7 +4202,6 @@ exports.defineManualTests = function (contentEl, createActionButton) {
         ios: 'library,library-nosync,documents,documents-nosync,cache,bundle,root,private',
         osx: 'library,library-nosync,documents,documents-nosync,cache,bundle,root,private',
         android: 'files,files-external,documents,sdcard,cache,cache-external,assets,root',
-        'amazon-fireos': 'files,files-external,documents,sdcard,cache,cache-external,root',
         windows: 'temporary,persistent'
     };
 
diff --git a/www/Entry.js b/www/Entry.js
index a67be96fa..abe33d5df 100644
--- a/www/Entry.js
+++ b/www/Entry.js
@@ -117,7 +117,7 @@ Entry.prototype.moveTo = function (parent, newName, successCallback, errorCallba
             if (successCallback) {
                 // create appropriate Entry object
                 var newFSName = entry.filesystemName || (entry.filesystem && entry.filesystem.name);
-                var fs = newFSName ? new FileSystem(newFSName, { name: '', fullPath: '/' }) : new FileSystem(parent.filesystem.name, { name: '', fullPath: '/' }); // eslint-disable-line no-undef
+                var fs = newFSName ? new FileSystem(newFSName, { name: '', fullPath: '/' }) : new FileSystem(parent.filesystem.name, { name: '', fullPath: '/' });
                 var result = (entry.isDirectory) ? new (require('./DirectoryEntry'))(entry.name, entry.fullPath, fs, entry.nativeURL) : new (require('cordova-plugin-file.FileEntry'))(entry.name, entry.fullPath, fs, entry.nativeURL);
                 successCallback(result);
             }
@@ -159,7 +159,7 @@ Entry.prototype.copyTo = function (parent, newName, successCallback, errorCallba
             if (successCallback) {
                 // create appropriate Entry object
                 var newFSName = entry.filesystemName || (entry.filesystem && entry.filesystem.name);
-                var fs = newFSName ? new FileSystem(newFSName, { name: '', fullPath: '/' }) : new FileSystem(parent.filesystem.name, { name: '', fullPath: '/' }); // eslint-disable-line no-undef
+                var fs = newFSName ? new FileSystem(newFSName, { name: '', fullPath: '/' }) : new FileSystem(parent.filesystem.name, { name: '', fullPath: '/' });
                 var result = (entry.isDirectory) ? new (require('./DirectoryEntry'))(entry.name, entry.fullPath, fs, entry.nativeURL) : new (require('cordova-plugin-file.FileEntry'))(entry.name, entry.fullPath, fs, entry.nativeURL);
                 successCallback(result);
             }
diff --git a/www/FileReader.js b/www/FileReader.js
index 121120618..bef959650 100644
--- a/www/FileReader.js
+++ b/www/FileReader.js
@@ -137,7 +137,7 @@ function readSuccessCallback (readType, encoding, offset, totalSize, accumulate,
     if (readType === 'readAsDataURL') {
         // Windows proxy does not support reading file slices as Data URLs
         // so read the whole file at once.
-        CHUNK_SIZE = cordova.platformId === 'windows' ? totalSize // eslint-disable-line no-undef
+        CHUNK_SIZE = cordova.platformId === 'windows' ? totalSize
             : (
                 // Calculate new chunk size for data URLs to be multiply of 3
                 // Otherwise concatenated base64 chunks won't be valid base64 data
diff --git a/www/FileWriter.js b/www/FileWriter.js
index c25eef658..0b942e54a 100644
--- a/www/FileWriter.js
+++ b/www/FileWriter.js
@@ -112,7 +112,7 @@ FileWriter.prototype.write = function (data, isPendingBlobReadResult) {
     var that = this;
     var supportsBinary = (typeof window.Blob !== 'undefined' && typeof window.ArrayBuffer !== 'undefined');
     /* eslint-disable no-undef */
-    var isProxySupportBlobNatively = (cordova.platformId === 'windows8' || cordova.platformId === 'windows');
+    var isProxySupportBlobNatively = cordova.platformId === 'windows';
     var isBinary;
 
     // Check to see if the incoming data is a blob
@@ -154,10 +154,6 @@ FileWriter.prototype.write = function (data, isPendingBlobReadResult) {
 
     // Mark data type for safer transport over the binary bridge
     isBinary = supportsBinary && (data instanceof ArrayBuffer);
-    if (isBinary && cordova.platformId === 'windowsphone') { // eslint-disable-line no-undef
-        // create a plain array, using the keys from the Uint8Array view so that we can serialize it
-        data = Array.apply(null, new Uint8Array(data));
-    }
 
     // Throw an exception if we are already writing a file
     if (this.readyState === FileWriter.WRITING && !isPendingBlobReadResult) {
diff --git a/www/android/Entry.js b/www/android/Entry.js
index d9f180d7d..00555a439 100644
--- a/www/android/Entry.js
+++ b/www/android/Entry.js
@@ -20,14 +20,14 @@
 */
 
 module.exports = {
-  /**
+    /**
    * Return a URL that can be used to identify this entry.
    * Use a URL that can be used to as the src attribute of a <video> or
    * <audio> tag. If that is not possible, construct a http(s)://(localhost) URL.
    */
-  toURL: function () {
-    return window.location.origin.includes('file://')
-        ? this.nativeURL
-        : this.toInternalURL();
-  }
+    toURL: function () {
+        return window.location.origin.includes('file://')
+            ? this.nativeURL
+            : this.toInternalURL();
+    }
 };
diff --git a/www/android/FileSystem.js b/www/android/FileSystem.js
index 679aeefa1..bf424d4ca 100644
--- a/www/android/FileSystem.js
+++ b/www/android/FileSystem.js
@@ -30,7 +30,7 @@ module.exports = {
             // doesn't match the string for which permission was originally granted.
             path = nativeUrl.substring(contentUrlMatch[0].length - 1);
         } else {
-            path = FileSystem.encodeURIPath(fullPath); // eslint-disable-line no-undef
+            path = FileSystem.encodeURIPath(fullPath);
             if (!/^\//.test(path)) {
                 path = '/' + path;
             }
diff --git a/www/browser/FileSystem.js b/www/browser/FileSystem.js
index a7c1d6ca7..53af21fa3 100644
--- a/www/browser/FileSystem.js
+++ b/www/browser/FileSystem.js
@@ -25,6 +25,6 @@ FILESYSTEM_PREFIX = 'file:///';
 
 module.exports = {
     __format__: function (fullPath) {
-        return (FILESYSTEM_PREFIX + this.name + (fullPath[0] === '/' ? '' : '/') + FileSystem.encodeURIPath(fullPath)); // eslint-disable-line no-undef
+        return (FILESYSTEM_PREFIX + this.name + (fullPath[0] === '/' ? '' : '/') + FileSystem.encodeURIPath(fullPath));
     }
 };
diff --git a/www/browser/Preparing.js b/www/browser/Preparing.js
index 513833c1b..210ee8100 100644
--- a/www/browser/Preparing.js
+++ b/www/browser/Preparing.js
@@ -30,7 +30,7 @@
     var channel = require('cordova/channel');
     var FileError = require('./FileError');
     var PERSISTENT_FS_QUOTA = 5 * 1024 * 1024;
-    var filePluginIsReadyEvent = new Event('filePluginIsReady'); // eslint-disable-line no-undef
+    var filePluginIsReadyEvent = new Event('filePluginIsReady');
 
     var entryFunctionsCreated = false;
     var quotaWasRequested = false;
@@ -75,8 +75,8 @@
                    For example, filesystem:file:///persistent/somefile.txt,
                    filesystem:http://localhost:8080/persistent/somefile.txt. */
                 var prefix = 'filesystem:file:///';
-                if (location.protocol !== 'file:') { // eslint-disable-line no-undef
-                    prefix = 'filesystem:' + location.origin + '/'; // eslint-disable-line no-undef
+                if (location.protocol !== 'file:') {
+                    prefix = 'filesystem:' + location.origin + '/';
                 }
 
                 var result;
@@ -146,10 +146,10 @@
                 var originalWrite = writer.write;
                 var writerProto = Object.getPrototypeOf(writer);
                 writerProto.write = function (blob) {
-                    if (blob instanceof Blob) { // eslint-disable-line no-undef
+                    if (blob instanceof Blob) {
                         originalWrite.apply(this, [blob]);
                     } else {
-                        var realBlob = new Blob([blob]); // eslint-disable-line no-undef
+                        var realBlob = new Blob([blob]);
                         originalWrite.apply(this, [realBlob]);
                     }
                 };
diff --git a/www/requestFileSystem.js b/www/requestFileSystem.js
index d9110cd21..c9121666d 100644
--- a/www/requestFileSystem.js
+++ b/www/requestFileSystem.js
@@ -22,7 +22,7 @@
 (function () {
     // For browser platform: not all browsers use this file.
     function checkBrowser () {
-        if (cordova.platformId === 'browser' && require('./isChrome')()) { // eslint-disable-line no-undef
+        if (cordova.platformId === 'browser' && require('./isChrome')()) {
             module.exports = window.requestFileSystem || window.webkitRequestFileSystem;
             return true;
         }
diff --git a/www/resolveLocalFileSystemURI.js b/www/resolveLocalFileSystemURI.js
index abe275f2e..224bd2760 100644
--- a/www/resolveLocalFileSystemURI.js
+++ b/www/resolveLocalFileSystemURI.js
@@ -21,7 +21,7 @@
 (function () {
     // For browser platform: not all browsers use overrided `resolveLocalFileSystemURL`.
     function checkBrowser () {
-        if (cordova.platformId === 'browser' && require('./isChrome')()) { // eslint-disable-line no-undef
+        if (cordova.platformId === 'browser' && require('./isChrome')()) {
             module.exports.resolveLocalFileSystemURL = window.resolveLocalFileSystemURL || window.webkitResolveLocalFileSystemURL;
             return true;
         }
@@ -65,11 +65,11 @@
             if (entry) {
                 if (successCallback) {
                     // create appropriate Entry object
-                    var fsName = entry.filesystemName || (entry.filesystem && entry.filesystem.name) || (entry.filesystem === window.PERSISTENT ? 'persistent' : 'temporary'); // eslint-disable-line no-undef
+                    var fsName = entry.filesystemName || (entry.filesystem && entry.filesystem.name) || (entry.filesystem === window.PERSISTENT ? 'persistent' : 'temporary');
                     fileSystems.getFs(fsName, function (fs) {
                         // This should happen only on platforms that haven't implemented requestAllFileSystems (windows)
                         if (!fs) {
-                            fs = new FileSystem(fsName, { name: '', fullPath: '/' }); // eslint-disable-line no-undef
+                            fs = new FileSystem(fsName, { name: '', fullPath: '/' });
                         }
                         var result = (entry.isDirectory) ? new DirectoryEntry(entry.name, entry.fullPath, fs, entry.nativeURL) : new FileEntry(entry.name, entry.fullPath, fs, entry.nativeURL);
                         successCallback(result);