diff --git a/games/routine.py b/games/routine.py
index 5f91287..b3dd8c9 100644
--- a/games/routine.py
+++ b/games/routine.py
@@ -35,10 +35,6 @@ def get_sign(num: float) -> int:
     if (num < 0):
         return -1
 
-def simplify_angle(angle: float):
-    
-    return (angle + 2 * math.pi) % (2 * math.pi)
-
 def get_derive(segment: Segment) -> float:
     
     if (segment.start.x == segment.stop.x):