diff --git a/ProjectClock/MathExpressions.swift b/ProjectClock/MathExpressions.swift
index 3135942..d067ee0 100644
--- a/ProjectClock/MathExpressions.swift
+++ b/ProjectClock/MathExpressions.swift
@@ -170,21 +170,3 @@ class RPS
     }
 }
 
-/**
-//Reference: https://youtu.be/XDuchXYiWuE
-class Shake {
-    var motionManager = CMMotionManager()
-    
-    func viewDidAppear(_ animated: Bool) {
-        motionManager.accelerometerUpdateInterval = 0.2
-        
-        motionManager.startAccelerometerUpdates(to: OperationQueue.current!) { (data,error) in
-            if let myData = data {
-                if myData.acceleration.x > 5 {
-                    print("DO SOMETHING SPECIAL")
-                }
-            }
-        }
-    }
-}
-*/