diff --git a/.eslintrc.js b/.eslintrc.js
new file mode 100644
index 00000000000..b5a22b00eb8
--- /dev/null
+++ b/.eslintrc.js
@@ -0,0 +1,12 @@
+/**
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md.
+ */
+
+/* eslint-env node */
+
+'use strict';
+
+module.exports = {
+	extends: 'ckeditor5'
+};
diff --git a/.jscsrc b/.jscsrc
deleted file mode 100644
index acf56d5810d..00000000000
--- a/.jscsrc
+++ /dev/null
@@ -1,92 +0,0 @@
-{
-  "requireCurlyBraces": [
-    "if",
-    "else",
-    "for",
-    "while",
-    "do",
-    "switch",
-    "try",
-    "catch"
-  ],
-  "requireSpaceBeforeKeywords": true,
-  "requireSpaceAfterKeywords": [
-    "do",
-    "for",
-    "if",
-    "else",
-    "switch",
-    "case",
-    "try",
-    "catch",
-    "void",
-    "while",
-    "with",
-    "return",
-    "typeof"
-  ],
-  "requireSpaceBeforeBlockStatements": true,
-  "requireParenthesesAroundIIFE": true,
-  "requireSpacesInConditionalExpression": {
-    "afterTest": true,
-    "beforeConsequent": true,
-    "afterConsequent": true,
-    "beforeAlternate": true
-  },
-  "requireSpacesInFunction": {
-    "beforeOpeningCurlyBrace": true
-  },
-  "disallowSpacesInFunction": {
-    "beforeOpeningRoundBrace": true
-  },
-  "disallowSpacesInCallExpression": true,
-  "disallowMultipleVarDecl": "exceptUndefined",
-  "requireBlocksOnNewline": true,
-  "disallowPaddingNewlinesInBlocks": true,
-  "requirePaddingNewlinesBeforeKeywords": [
-    "do",
-    "for",
-    "if",
-    "switch",
-    "case",
-    "try",
-    "while",
-    "with",
-    "return"
-  ],
-  "requireSpacesInsideObjectBrackets": "all",
-  "requireSpacesInsideArrayBrackets": "all",
-  "requireSpacesInsideParentheses": "all",
-  "disallowSpaceAfterObjectKeys": true,
-  "requireSpaceBeforeObjectValues": true,
-  "requireCommaBeforeLineBreak": true,
-  "requireOperatorBeforeLineBreak": true,
-  "disallowSpaceAfterPrefixUnaryOperators": true,
-  "disallowSpaceBeforePostfixUnaryOperators": true,
-  "requireSpaceBeforeBinaryOperators": true,
-  "disallowImplicitTypeConversion": [
-    "numeric",
-    "binary",
-    "string"
-  ],
-  "requireCamelCaseOrUpperCaseIdentifiers": true,
-  "requireSpaceAfterBinaryOperators": true,
-  "disallowKeywords": [
-    "with"
-  ],
-  "disallowMultipleLineStrings": true,
-  "disallowMultipleLineBreaks": true,
-  "disallowMixedSpacesAndTabs": true,
-  "disallowTrailingWhitespace": true,
-  "maximumLineLength": 140,
-  "requireCapitalizedConstructors": true,
-  "requireDotNotation": true,
-  "disallowYodaConditions": true,
-  "disallowNewlineBeforeBlockStatements": true,
-  "validateLineBreaks": "LF",
-  "validateQuoteMarks": "'",
-  "validateIndentation": "\t",
-  "safeContextKeyword": [
-    "that"
-  ]
-}
diff --git a/.jshintrc b/.jshintrc
deleted file mode 100644
index 6373c41c866..00000000000
--- a/.jshintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "node": true,
-  "esnext": true,
-  "immed": true,
-  "loopfunc": true,
-  "noarg": true,
-  "nonbsp": true,
-  "undef": true,
-  "unused": true,
-  "strict": true,
-  "varstmt": true
-}
diff --git a/gulpfile.js b/gulpfile.js
index 0aca3353aff..a711006de3e 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -3,6 +3,8 @@
  * For licensing, see LICENSE.md.
  */
 
+/* eslint-env node */
+
 'use strict';
 
 const path = require( 'path' );
@@ -10,10 +12,10 @@ const gulp = require( 'gulp' );
 
 // Lint tasks. ---------------------------------------------------------------
 
-const ckeditor5Lint = require( '@ckeditor/ckeditor5-dev-lint' )();
+const ckeditor5Lint = require( '@ckeditor/ckeditor5-dev-lint' );
 
-gulp.task( 'lint', ckeditor5Lint.lint );
-gulp.task( 'lint-staged', ckeditor5Lint.lintStaged );
+gulp.task( 'lint', () => ckeditor5Lint.lint() );
+gulp.task( 'lint-staged', () => ckeditor5Lint.lintStaged() );
 gulp.task( 'pre-commit', [ 'lint-staged' ] );
 
 // Tests. ---------------------------------------------------------------------
@@ -42,7 +44,8 @@ gulp.task( 'docs', () => {
 	const umberto = require( 'umberto' );
 	const ckeditor5Docs = require( '@ckeditor/ckeditor5-dev-docs' );
 
-	return ckeditor5Docs.build( {
+	return ckeditor5Docs
+		.build( {
 			readmePath: path.join( process.cwd(), 'README.md' ),
 			sourceFiles: [
 				process.cwd() + '/packages/ckeditor5-*/src/**/*.@(js|jsdoc)',
@@ -106,8 +109,8 @@ function assertIsInstalled( packageName ) {
 		require( packageName + '/package.json' );
 	} catch ( err ) {
 		console.error( `Error: Cannot find package '${ packageName }'.\n` );
-		console.error( `You need to install optional dependencies.` );
-		console.error( `Run: 'npm run install-optional-dependencies'.` );
+		console.error( 'You need to install optional dependencies.' );
+		console.error( 'Run: \'npm run install-optional-dependencies\'.' );
 
 		process.exit( 1 );
 	}
diff --git a/package.json b/package.json
index 9a73fb18f3a..0a1dfb30572 100644
--- a/package.json
+++ b/package.json
@@ -35,8 +35,9 @@
     "@ckeditor/ckeditor5-widget": "^0.1.1"
   },
   "devDependencies": {
-    "@ckeditor/ckeditor5-dev-lint": "^2.0.2",
+    "@ckeditor/ckeditor5-dev-lint": "^3.0.0",
     "@ckeditor/ckeditor5-dev-tests": "^7.3.0",
+    "eslint-config-ckeditor5": "^1.0.0",
     "gulp": "^3.9.0",
     "guppy-pre-commit": "^0.4.0",
     "lerna": "^2.0.0-rc.1",