diff --git a/intern/ghost/intern/GHOST_WindowCarbon.h b/intern/ghost/intern/GHOST_WindowCarbon.h
index d25d57156f6..37dc4f5c092 100644
--- a/intern/ghost/intern/GHOST_WindowCarbon.h
+++ b/intern/ghost/intern/GHOST_WindowCarbon.h
@@ -220,6 +220,11 @@ public:
 	{
 		return m_tablet;
 	}
+	
+	GHOST_TSuccess beginFullScreen() const {};
+
+	GHOST_TSuccess endFullScreen() const {};
+
 protected:
 	/**
 	 * Tries to install a rendering context in this window.
diff --git a/intern/ghost/intern/GHOST_WindowCocoa.h b/intern/ghost/intern/GHOST_WindowCocoa.h
index f1388c0b466..46f0cab2553 100644
--- a/intern/ghost/intern/GHOST_WindowCocoa.h
+++ b/intern/ghost/intern/GHOST_WindowCocoa.h
@@ -266,6 +266,10 @@ public:
 	
 	virtual void setNativePixelSize(void);
 
+	GHOST_TSuccess beginFullScreen() const {};
+
+	GHOST_TSuccess endFullScreen() const {};
+
 	
 protected:
 	/**
diff --git a/intern/ghost/intern/GHOST_WindowWin32.h b/intern/ghost/intern/GHOST_WindowWin32.h
index 7f50d58ce35..5daa38a4e4c 100644
--- a/intern/ghost/intern/GHOST_WindowWin32.h
+++ b/intern/ghost/intern/GHOST_WindowWin32.h
@@ -276,6 +276,10 @@ public:
 	void processWin32TabletEvent(WPARAM wParam, LPARAM lParam);
 	void bringTabletContextToFront();
 
+	GHOST_TSuccess beginFullScreen() const {};
+
+	GHOST_TSuccess endFullScreen() const {};
+
 protected:
 	GHOST_TSuccess initMultisample(PIXELFORMATDESCRIPTOR pfd);
 
diff --git a/intern/ghost/intern/GHOST_WindowX11.h b/intern/ghost/intern/GHOST_WindowX11.h
index c009512a831..b8471b41a11 100644
--- a/intern/ghost/intern/GHOST_WindowX11.h
+++ b/intern/ghost/intern/GHOST_WindowX11.h
@@ -231,6 +231,10 @@ public:
 	bool m_post_init;
 	GHOST_TWindowState m_post_state;
 
+	GHOST_TSuccess beginFullScreen() const;
+
+	GHOST_TSuccess endFullScreen() const;
+
 protected:
 	/**
 	 * Tries to install a rendering context in this window.
@@ -309,12 +313,6 @@ protected:
 	    int bg_color
 	    );
 
-	GHOST_TSuccess
-	beginFullScreen() const;
-
-	GHOST_TSuccess
-	endFullScreen() const;
-
 private:
 
 	/// Force use of public constructor.