diff --git a/VDSSample.xcodeproj/project.pbxproj b/VDSSample.xcodeproj/project.pbxproj
index dabf535..ea17a05 100644
--- a/VDSSample.xcodeproj/project.pbxproj
+++ b/VDSSample.xcodeproj/project.pbxproj
@@ -99,10 +99,8 @@
 			isa = PBXGroup;
 			children = (
 				EAF7F0792899698800B287F5 /* Resources */,
-				EA3C3BB228996775000CA526 /* MenuViewController.swift */,
-				EA3C3BB028996775000CA526 /* PickerBase.swift */,
-				EA3C3BB128996775000CA526 /* StoryboardInitable.swift */,
-				EA3C3BB328996775000CA526 /* ToggleViewController.swift */,
+				EAF7F07E28996A0700B287F5 /* Protocols */,
+				EAF7F07F28996A1900B287F5 /* ViewControllers */,
 				EA3C3B9C289966EF000CA526 /* AppDelegate.swift */,
 				EA3C3B9E289966EF000CA526 /* SceneDelegate.swift */,
 				EA3C3BAA289966F1000CA526 /* Info.plist */,
@@ -132,6 +130,24 @@
 			path = Resources;
 			sourceTree = "<group>";
 		};
+		EAF7F07E28996A0700B287F5 /* Protocols */ = {
+			isa = PBXGroup;
+			children = (
+				EA3C3BB028996775000CA526 /* PickerBase.swift */,
+				EA3C3BB128996775000CA526 /* StoryboardInitable.swift */,
+			);
+			path = Protocols;
+			sourceTree = "<group>";
+		};
+		EAF7F07F28996A1900B287F5 /* ViewControllers */ = {
+			isa = PBXGroup;
+			children = (
+				EA3C3BB228996775000CA526 /* MenuViewController.swift */,
+				EA3C3BB328996775000CA526 /* ToggleViewController.swift */,
+			);
+			path = ViewControllers;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
diff --git a/VDSSample/PickerBase.swift b/VDSSample/Protocols/PickerBase.swift
similarity index 100%
rename from VDSSample/PickerBase.swift
rename to VDSSample/Protocols/PickerBase.swift
diff --git a/VDSSample/StoryboardInitable.swift b/VDSSample/Protocols/StoryboardInitable.swift
similarity index 100%
rename from VDSSample/StoryboardInitable.swift
rename to VDSSample/Protocols/StoryboardInitable.swift
diff --git a/VDSSample/MenuViewController.swift b/VDSSample/ViewControllers/MenuViewController.swift
similarity index 100%
rename from VDSSample/MenuViewController.swift
rename to VDSSample/ViewControllers/MenuViewController.swift
diff --git a/VDSSample/ToggleViewController.swift b/VDSSample/ViewControllers/ToggleViewController.swift
similarity index 100%
rename from VDSSample/ToggleViewController.swift
rename to VDSSample/ViewControllers/ToggleViewController.swift