diff --git a/linked_lists/detect_cycle_II.py b/linked_lists/detect_cycle_II.py
index efbe3d2..6cb6de7 100644
--- a/linked_lists/detect_cycle_II.py
+++ b/linked_lists/detect_cycle_II.py
@@ -9,7 +9,7 @@ class Node:
        self.next = None
 
 
-def detect_cycle(self, head):
+def detect_cycle(head):
 
         seen = set()
         node = head