diff --git a/640.md b/640.md
index 49cef78..2794d37 100644
--- a/640.md
+++ b/640.md
@@ -173,14 +173,6 @@ m1.setMotorSpeed(1250)
 
 #### Servo control
 
-## Node.JS
-
-### Introduction
-### Import libraries
-### Drive a motor
-### Motor speed
-### Servo control
-
 ## C++
 
 ### Introduction