diff --git a/.eslines.json b/.eslines.json
new file mode 100644
index 00000000000000..46acda6d92df1d
--- /dev/null
+++ b/.eslines.json
@@ -0,0 +1,11 @@
+{
+    "branches": {
+        "default": ["downgrade-unmodified-lines"]
+    },
+    "processors": {
+        "downgrade-unmodified-lines": {
+            "remote": "origin/master",
+            "rulesNotToDowngrade": ["no-unused-vars"]
+        }
+    }
+}
\ No newline at end of file
diff --git a/.eslintrc.json b/.eslintrc.json
index 5b848d9c369920..3defeb47624cd0 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -3,6 +3,7 @@
 	"parser": "babel-eslint",
 	"extends": [
 		"wordpress",
+		"plugin:wordpress/jsdoc",
 		"plugin:react/recommended",
 		"plugin:jsx-a11y/recommended",
 		"plugin:jest/recommended"
@@ -27,6 +28,7 @@
 		"document": true
 	},
 	"plugins": [
+		"wordpress",
 		"react",
 		"jsx-a11y",
 		"jest"
@@ -176,5 +178,13 @@
 		"valid-jsdoc": [ "error", { "requireReturn": false } ],
 		"valid-typeof": "error",
 		"yoda": "off"
-	}
+	},
+	"overrides": [
+		{
+			"files": [ "{blocks,components,date,editor,element,i18n,data,utils}/**/test/*.js" ],
+			"rules": {
+				"require-jsdoc": "off"
+			}
+		}
+	]
 }
diff --git a/package.json b/package.json
index 86ef6443102036..8c7b9a8754899a 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "dom-scroll-into-view": "1.2.1",
     "element-closest": "2.0.2",
     "escape-string-regexp": "1.0.5",
+    "eslint-plugin-wordpress": "git://github.com/WordPress-Coding-Standards/eslint-plugin-wordpress.git#327b6bdec434177a6e841bd3210e87627ccfcecb",
     "hpq": "1.2.0",
     "jed": "1.1.1",
     "jquery": "3.2.1",
@@ -73,6 +74,7 @@
     "deep-freeze": "0.0.1",
     "enzyme": "3.2.0",
     "enzyme-adapter-react-16": "1.1.0",
+    "eslines": "1.1.0",
     "eslint": "4.9.0",
     "eslint-config-wordpress": "2.0.0",
     "eslint-plugin-jest": "21.5.0",
@@ -134,7 +136,7 @@
     "prebuild": "check-node-version --package",
     "build": "cross-env BABEL_ENV=default NODE_ENV=production webpack",
     "gettext-strings": "cross-env BABEL_ENV=gettext webpack",
-    "lint": "eslint .",
+    "lint": "eslint -f json . | eslines",
     "predev": "check-node-version --package",
     "dev": "cross-env BABEL_ENV=default webpack --watch",
     "test": "npm run lint && npm run test-unit",