diff --git a/fb_detr/utils/non_max_supprs.py b/fb_detr/utils/non_max_supprs.py
index 55811c7..f38a63e 100644
--- a/fb_detr/utils/non_max_supprs.py
+++ b/fb_detr/utils/non_max_supprs.py
@@ -12,7 +12,7 @@ def make_box(x1, y1, x2, y2):
     return dict(zip(keys, [x1, y1, x2, y2]))
 
 
-def compute_intersection(a, b):  # returns None if rectangles don't intersect
+def compute_intersection(a, b):
 
     a = Rectangle(*a.values())
     b = Rectangle(*b.values())