diff --git a/addons/editor_helper/dock.gd b/addons/editor_helper/dock.gd
index 0915a7f..8b4c67a 100644
--- a/addons/editor_helper/dock.gd
+++ b/addons/editor_helper/dock.gd
@@ -3,6 +3,9 @@ extends Control
 
 func _process(_delta):
 	update_layer_number()
+	var expanded = is_scene_expanded(get_scene())
+	$VBoxContainer/Minify.visible = expanded
+	$VBoxContainer/Expand.visible = !expanded
 
 func _on_new_pressed():
 	var dialog = EditorFileDialog.new()
diff --git a/addons/editor_helper/dock.tscn b/addons/editor_helper/dock.tscn
index b55f3a9..8e36e1f 100644
--- a/addons/editor_helper/dock.tscn
+++ b/addons/editor_helper/dock.tscn
@@ -42,6 +42,7 @@ icon = ExtResource("3_iorsj")
 expand_icon = true
 
 [node name="Minify" type="Button" parent="VBoxContainer"]
+visible = false
 layout_mode = 2
 tooltip_text = "Removes editor-only elements from the map."
 text = "Minify map"
@@ -85,6 +86,7 @@ icon = ExtResource("4_ie2iw")
 expand_icon = true
 
 [node name="Update" type="Button" parent="VBoxContainer"]
+visible = false
 layout_mode = 2
 text = "Update projected map"
 icon = ExtResource("8_aph12")
diff --git a/test.tscn b/test.tscn
new file mode 100644
index 0000000..95e56d1
--- /dev/null
+++ b/test.tscn
@@ -0,0 +1,54 @@
+[gd_scene load_steps=8 format=4 uid="uid://bo6kr5a4d2w63"]
+
+[ext_resource type="TileSet" uid="uid://coub5ioem1v7o" path="res://Assets/tileset.tres" id="1_fso1u"]
+[ext_resource type="Shader" path="res://Assets/Editor/Project.gdshader" id="2_004uw"]
+[ext_resource type="Texture2D" uid="uid://773fvksy2hdp" path="res://Assets/Editor/voronoi-cube.png" id="3_q6ftp"]
+
+[sub_resource type="ViewportTexture" id="ViewportTexture_4uckl"]
+viewport_path = NodePath("ProjectionViewport")
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_5cr1a"]
+render_priority = 0
+shader = ExtResource("2_004uw")
+shader_parameter/scale = Vector2(5, 6)
+shader_parameter/offset = Vector2(1, 2)
+shader_parameter/tilemap_camera = SubResource("ViewportTexture_4uckl")
+
+[sub_resource type="BoxMesh" id="BoxMesh_o31w4"]
+material = SubResource("ShaderMaterial_5cr1a")
+
+[sub_resource type="MeshLibrary" id="MeshLibrary_uhodc"]
+item/0/name = "Full Cube"
+item/0/mesh = SubResource("BoxMesh_o31w4")
+item/0/mesh_transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0)
+item/0/shapes = []
+item/0/navigation_mesh_transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0)
+item/0/navigation_layers = 1
+item/0/preview = ExtResource("3_q6ftp")
+
+[node name="test" type="Node2D"]
+metadata/_edit_lock_ = true
+metadata/_edit_group_ = true
+
+[node name="NotMinified" type="Node" parent="."]
+
+[node name="TileMap" type="Node2D" parent="."]
+metadata/_edit_lock_ = true
+
+[node name="TileMap Layer 1" type="TileMapLayer" parent="TileMap"]
+tile_map_data = PackedByteArray("AAAAAAAAAgAAAAAAAAABAAAAAgAAAAAAAAACAAAAAAAAAAAAAAACAAEAAAAAAAAAAAADAAEAAAAAAAAAAAADAAIAAAAAAAAAAAACAAIAAAAAAAAAAAACAAMAAAAAAAAAAAABAAMAAAAAAAAAAAAAAAMAAAAAAAAAAAAAAAIAAQAAAAAAAAD//wIAAAAAAAAAAAD//wEAAAAAAAAAAAD//wAAAAAAAAAAAAD/////AAAAAAAAAAAAAP//AwAAAAAAAAAAAP7/AAAAAAAAAAABAP7/AAAAAAAAAAACAP//AAAAAAAAAAADAP//AAAAAAAAAAADAAAAAAAAAAAAAAABAAIAAQAAAAAAAAAAAAEAAQAAAAAAAAABAP//AwAAAAAAAAABAAEAAQAAAAAAAAA=")
+tile_set = ExtResource("1_fso1u")
+metadata/_edit_lock_ = true
+
+[node name="HeightMap" type="GridMap" parent="."]
+mesh_library = SubResource("MeshLibrary_uhodc")
+cell_size = Vector3(1, 1, 1)
+data = {
+"cells": PackedInt32Array(-65536, 0, 0, -65535, 0, 0, -65534, 0, 0, -65534, 1, 0, -65533, 1, 0, -65533, 2, 0, -65534, 2, 0, -65534, 3, 0, -65535, 3, 0, -65536, 3, 0, -65536, 2, 0, -1, 2, 0, -1, 1, 0, -1, 0, 0, -1, 65535, 0, -65536, 65535, 0, -65536, 65534, 0, -65535, 65534, 0, -65534, 65535, 0, -65533, 65535, 0, -65533, 0, 0, -65535, 2, 0, -65536, 1, 0, -65535, 65535, 0, -65535, 1, 0, 1, 1, 0, 0, 1, 0, 0, 2, 0, 1, 2, 0, 65537, 1, 0, 65536, 1, 0, 65536, 2, 0, 65537, 2, 0)
+}
+metadata/_edit_lock_ = true
+metadata/_editor_floor_ = Vector3(0, 1, 0)
+
+[node name="ProjectionViewport" type="SubViewport" parent="."]
+disable_3d = true
+size = Vector2i(640, 768)