diff --git a/.eslintrc.json b/.eslintrc.json
index 9e6f5bbd..04f9da7a 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -1,14 +1,6 @@
 {
 	"root": true,
 	"extends": [
-		"wikimedia/client-es5",
-		"wikimedia/jquery",
-		"wikimedia/mediawiki"
-	],
-	"globals": {
-		"CodeMirror": "readonly"
-	},
-	"rules": {
-		"max-len": "off"
-	}
+		"wikimedia/server"
+	]
 }
diff --git a/Gruntfile.js b/Gruntfile.js
index 5d5dd6cf..9d0687fd 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -1,4 +1,5 @@
-/* eslint-env node, es6 */
+'use strict';
+
 module.exports = function ( grunt ) {
 	grunt.loadNpmTasks( 'grunt-banana-checker' );
 	grunt.loadNpmTasks( 'grunt-eslint' );
diff --git a/resources/.eslintrc.json b/resources/.eslintrc.json
new file mode 100644
index 00000000..9e6f5bbd
--- /dev/null
+++ b/resources/.eslintrc.json
@@ -0,0 +1,14 @@
+{
+	"root": true,
+	"extends": [
+		"wikimedia/client-es5",
+		"wikimedia/jquery",
+		"wikimedia/mediawiki"
+	],
+	"globals": {
+		"CodeMirror": "readonly"
+	},
+	"rules": {
+		"max-len": "off"
+	}
+}
diff --git a/resources/mode/mediawiki/tests/qunit/.eslintrc.json b/resources/mode/mediawiki/tests/qunit/.eslintrc.json
index 316cfa3e..c29a73ec 100644
--- a/resources/mode/mediawiki/tests/qunit/.eslintrc.json
+++ b/resources/mode/mediawiki/tests/qunit/.eslintrc.json
@@ -1,7 +1,6 @@
 {
 	"extends": [
-		"wikimedia/qunit",
-		"../../../../../.eslintrc.json"
+		"wikimedia/qunit"
 	],
 	"rules": {
 		"no-jquery/no-global-selector": "off"