diff --git a/minimap.py b/minimap.py
index 9ced0c1..92a8e4a 100644
--- a/minimap.py
+++ b/minimap.py
@@ -76,34 +76,6 @@ def update_location():
 
 import math
 
-def haversine(coord1, coord2):
-    """
-    Calculate the great-circle distance between two points on the Earth
-    specified in decimal degrees (latitude and longitude).
-    
-    Parameters:
-    coord1 (tuple): (latitude, longitude) for point 1
-    coord2 (tuple): (latitude, longitude) for point 2
-    
-    Returns:
-    float: distance in kilometers between the two points
-    """
-    
-    # Convert latitude and longitude from degrees to radians
-    lat1, lon1 = map(math.radians, coord1)
-    lat2, lon2 = map(math.radians, coord2)
-    
-    # Haversine formula
-    dlon = lon2 - lon1 
-    dlat = lat2 - lat1 
-    a = math.sin(dlat / 2)**2 + math.cos(lat1) * math.cos(lat2) * math.sin(dlon / 2)**2
-    c = 2 * math.asin(math.sqrt(a)) 
-    
-    # Radius of Earth in kilometers (mean radius)
-    r = 6371.0
-    
-    return c * r
-
 def haver_dist(coord1, coord2):
     lati1 = math.radians(coord1[0])
     long1 = math.radians(coord1[1])
@@ -143,11 +115,11 @@ def update_display():
 
     print(l)
     
-    d = location_avg()
+    lavg = location_avg()
     for (name,val), i in zip(l['points'].items(), range(len(l['points']))):
         if len(val) > 0:
-            d = haver_dist(d, (val[0][0],val[0][1]))
-            b = bearing(d, (val[0][0],val[0][1]))
+            d = haver_dist(lavg, (val[0][0],val[0][1]))
+            b = bearing(lavg, (val[0][0],val[0][1]))
         else:
             d = float('inf')
             b = float('NaN')