diff --git a/src/add-ons/decorators/SATDecorator/SATGroup.h b/src/add-ons/decorators/SATDecorator/SATGroup.h
index 5ca9350be0..0e339e9efd 100644
--- a/src/add-ons/decorators/SATDecorator/SATGroup.h
+++ b/src/add-ons/decorators/SATDecorator/SATGroup.h
@@ -217,10 +217,6 @@ public:
 		Tab*				FindHorizontalTab(float position);
 		Tab*				FindVerticalTab(float position);
 
-protected:
-		SATWindowList		fSATWindowList;
-		LinearSpec			fLinearSpec;
-
 private:
 		BReference<Tab>		_AddHorizontalTab(float position = 0);
 		BReference<Tab>		_AddVerticalTab(float position = 0);
@@ -255,6 +251,11 @@ private:
 	inline void				_CallculateYOffset(BPoint& offset, BRect& frame,
 								BRect& screen);
 
+protected:
+		SATWindowList		fSATWindowList;
+		LinearSpec			fLinearSpec;
+
+private:
 		TabList				fHorizontalTabs;
 		bool				fHorizontalTabsSorted;
 		TabList				fVerticalTabs;
diff --git a/src/add-ons/decorators/SATDecorator/StackAndTile.h b/src/add-ons/decorators/SATDecorator/StackAndTile.h
index 694a48f895..29ccfb8366 100644
--- a/src/add-ons/decorators/SATDecorator/StackAndTile.h
+++ b/src/add-ons/decorators/SATDecorator/StackAndTile.h
@@ -83,7 +83,7 @@ public:
 
 		SATWindow*			GetSATWindow(Window* window);
 
-protected:
+private:
 		void				_StartSAT();
 		void				_StopSAT();
 		void				_ActivateWindow(SATWindow* window);