diff --git a/app.js b/app.js
index ba813f8..d86f765 100644
--- a/app.js
+++ b/app.js
@@ -12,7 +12,8 @@ var articleRouter = require('./routes/article');
 var connect = mongoose.connect(process.env.DB_URL,{
     autoIndex: false,
     useNewUrlParser: true,
-    useUnifiedTopology: true
+    useUnifiedTopology: true,
+    useFindAndModify: false
 });
 
 connect.then((db) => {
diff --git a/routes/article.js b/routes/article.js
index 5111091..79ce66c 100644
--- a/routes/article.js
+++ b/routes/article.js
@@ -74,6 +74,10 @@ router.route('/')
     .put((req, res, next) => {
         res.statusCode = 403;
         res.end('PUT operation not supported on /article');
+    })
+    .delete((req, res, next) => {
+        res.statusCode = 403;
+        res.end('DELETE operation not supported on /article');
     });
 
 
@@ -136,7 +140,23 @@ router.route('/:articleId')
                 }, (err) => next(err))
                 .catch((err) => next(err));
         }
-        else{
+        else {
+            var err = new Error('Article ' + req.params.articleId + ' not found');
+            err.status = 404;
+            return next(err);
+        }
+    })
+    .delete((req, res, next) => {
+        if (mongoose.Types.ObjectId.isValid(req.params.articleId)) {
+            Article.findByIdAndRemove(req.params.articleId)
+                .then((resp) => {
+                    res.statusCode = 200;
+                    res.setHeader('Content-Type', 'application/json');
+                    res.json(resp);
+                }, (err) => next(err))
+                .catch((err) => next(err));
+        }
+        else {
             var err = new Error('Article ' + req.params.articleId + ' not found');
             err.status = 404;
             return next(err);
diff --git a/test/routes/article.test.js b/test/routes/article.test.js
index 8f9dd88..61b6340 100644
--- a/test/routes/article.test.js
+++ b/test/routes/article.test.js
@@ -41,7 +41,7 @@ describe("Test POST /article/:articleId", () => {
       .then(response => {
         expect(response.statusCode).toBe(200);
         const articles = JSON.parse(response.text);
-        if (articles && article.length) {
+        if (articles && articles.length) {
           request(app)
             .get("/article/"+articles[0]._id)
             .then(response => {
@@ -65,7 +65,7 @@ describe("Test PUT /article/:articleId", () => {
         expect(response.statusCode).toBe(200);
 
         const articles = JSON.parse(response.text);
-        if (articles && article.length) {
+        if (articles && articles.length) {
           let art=articles[0],
             newTitle='Test: Hello test world';
 
@@ -86,4 +86,29 @@ describe("Test PUT /article/:articleId", () => {
         }
       });
   });
+});
+
+/* DELETE /article/:artId */
+describe("Test DELETE /article/:articleId", () => {
+  test("It should response 200 on DELETE method", done => {
+    request(app)
+      .get("/article")
+      .then(response => {
+        expect(response.statusCode).toBe(200);
+
+        const articles = JSON.parse(response.text);
+        if (articles && articles.length) {
+          let artId=articles[0]._id;
+            request(app)
+            .delete("/article/"+artId)
+            .then(resp => {
+              expect(resp.statusCode).toBe(200);
+              done();
+            });
+        }
+        else {
+          done();
+        }
+      });
+  });
 });
\ No newline at end of file