diff --git a/backend/app.js b/backend/app.js
index 42af07e2d3bf589b19b0111811338b4624d51084..d0bfdce24fc886e5ba82a4a3ffed97eee3a3058c 100644
--- a/backend/app.js
+++ b/backend/app.js
@@ -39,8 +39,6 @@ app.use(express.static(path.join(__dirname, "public")));
 app.use("/api/books", bookRouter);
 app.use("/api/login", loginRouter);
 
-app.use('/api/books', bookRouter);
-
 //app.use('/users', usersRouter);
 
 // catch 404 and forward to error handler