diff --git a/src/game/tutorial/tutorial_manager/tutorial_manager_type.gd b/src/game/tutorial/tutorial_manager/tutorial_manager_type.gd
index 76a1783..2672a06 100644
--- a/src/game/tutorial/tutorial_manager/tutorial_manager_type.gd
+++ b/src/game/tutorial/tutorial_manager/tutorial_manager_type.gd
@@ -7,8 +7,9 @@ const TUTORIAL_KEY_PREFIX := "game/tutorial/progress/"
 
 
 func activate(key: String) -> void:
-	ProjectSettings.set_setting(key, true)
-	Game.settings.write()
+	if not is_active(key):
+		ProjectSettings.set_setting(key, true)
+		Game.settings.write()
 
 
 func is_active(key: String) -> bool:
@@ -45,6 +46,6 @@ func reset_tutorial() -> void:
 
 
 func disable_tutorial() -> void:
-	disable_all.emit()
-	# XXX does this ensure the call to write will happen after all signals resolve?
-	Game.settings.write.call_deferred()
+	for key: String in get_tutorial_keys():
+		ProjectSettings.set_setting(key, true)
+	Game.settings.write()
diff --git a/src/props/retinal_scanner/retinal_scanner.gd b/src/props/retinal_scanner/retinal_scanner.gd
index 5e0f3ec..216fe58 100644
--- a/src/props/retinal_scanner/retinal_scanner.gd
+++ b/src/props/retinal_scanner/retinal_scanner.gd
@@ -56,5 +56,5 @@ func deserialize(state: Dictionary) -> void:
 
 
 func _process(_delta: float) -> void:
-	# TODO don't do this in _process
+	# TODO donAAaaaa't do this in _process
 	interactive.enabled = enabled and _has_item()