1 files changed, 5 insertions, 11 deletions
diff --git a/lib/serpentity/system.js b/lib/serpentity/system.js
index 339f6e7..76bf306 100644
--- a/lib/serpentity/system.js
+++ b/lib/serpentity/system.js
@@ -1,7 +1,5 @@
 'use strict';
 
-/* global Serpentity */
-
 /*
  * Systems contain most of the logic, and work with nodes in order to
  * act and change their values.
@@ -10,12 +8,12 @@
  * three methods. They are shown here to document the interface.
  */
 
-let System = class System {
+const System = class System {
 
   /*
    * This will be run when the system is added to the engine
    */
-  added () {
+  added() {
     // Override with added(engine)
     // Receives an instance of the serpentity engine
   }
@@ -23,7 +21,7 @@ let System = class System {
   /*
    * This will be run when the system is removed from the engine
    */
-  removed () {
+  removed() {
     // Override with removed(engine)
     // Receives an instance of the serpentity engine
   }
@@ -31,14 +29,10 @@ let System = class System {
   /*
    * This will run every time the engine's update method is called
    */
-  update () {
+  update() {
     // Override with update(dt)
     // Receives a delta of the time
   }
 };
 
-if (typeof module !== 'undefined' && this.module !== module) {
-  module.exports = System;
-} else {
-  Serpentity.System = System;
-}
+module.exports = System;