diff --git a/scenes/player.tscn b/scenes/player.tscn
index a13dbf6..9b744b7 100644
--- a/scenes/player.tscn
+++ b/scenes/player.tscn
@@ -111,14 +111,11 @@ animation = &"move_down"
 metadata/_edit_lock_ = true
 
 [node name="main_cam" type="Camera2D" parent="."]
+process_callback = 0
 position_smoothing_enabled = true
 position_smoothing_speed = 3.0
 drag_horizontal_enabled = true
 drag_vertical_enabled = true
-drag_left_margin = 0.15
-drag_top_margin = 0.15
-drag_right_margin = 0.15
-drag_bottom_margin = 0.15
 editor_draw_drag_margin = true
 metadata/_edit_lock_ = true
 
diff --git a/scenes/tiles/first_debug_tile.tscn b/scenes/tiles/first_debug_tile.tscn
index b2b9287..c4d0638 100644
--- a/scenes/tiles/first_debug_tile.tscn
+++ b/scenes/tiles/first_debug_tile.tscn
@@ -6,6 +6,8 @@
 radius = 33.1361
 
 [node name="rigid_body_2d" type="RigidBody2D"]
+collision_layer = 2
+collision_mask = 3
 gravity_scale = 0.0
 
 [node name="Sprite2D" type="Sprite2D" parent="."]