diff --git a/scripts/bullets/bullet_1.gd b/scripts/bullets/bullet_1.gd
index 5952d2e..56b7d8d 100644
--- a/scripts/bullets/bullet_1.gd
+++ b/scripts/bullets/bullet_1.gd
@@ -6,7 +6,7 @@ var speed : int = 0
 var damage : int = 0
 var dir = 0
 
-func _physics_process(delta):
+func _physics_process(_delta):
 	var move_dir = Vector2(1,0).rotated(dir)
 	global_position += (move_dir * speed)