diff --git a/maneuvers/__init__.py b/maneuvers/__init__.py
index 595dd1b..56b33ad 100644
--- a/maneuvers/__init__.py
+++ b/maneuvers/__init__.py
@@ -11,7 +11,7 @@ class Maneuver:
         self.vessel = vessel
         self.conn = conn
 
-    def plan_next_maneuver(self, conn):
+    def plan_next_maneuver(self):
         pass