diff --git a/doomclassic/doom/Main.h b/doomclassic/doom/Main.h
index c59ba645..49bb1b98 100644
--- a/doomclassic/doom/Main.h
+++ b/doomclassic/doom/Main.h
@@ -60,7 +60,7 @@ void			DL_InitNetworking( DoomInterface *pdi );
 extern int		PLAYERCOUNT;
 extern bool		globalNetworking;
 extern bool		debugOutput;
-extern BOOL		globalLicenseFullGame;
+extern bool		globalLicenseFullGame;
 extern int		globalRichPresenceState;  // values from spa.h X_CONTEXT_PRESENCE
 extern int		globalNeedUpsell;
 // PS3
diff --git a/doomclassic/doom/g_game.cpp b/doomclassic/doom/g_game.cpp
index 2277dd4b..55f35fed 100644
--- a/doomclassic/doom/g_game.cpp
+++ b/doomclassic/doom/g_game.cpp
@@ -1421,7 +1421,7 @@ qboolean G_DoLoadGame ()
 		loadingGame = false;
 		waitingForWipe = false;
 
-		return FALSE;				// bad version
+		return false;				// bad version
 	}
 
 	::g->save_p += VERSIONSIZE; 
@@ -1463,7 +1463,7 @@ qboolean G_DoLoadGame ()
 
 	Z_Free(g->savebuffer);
 
-	return TRUE;
+	return true;
 } 
 
 
diff --git a/doomclassic/doom/m_misc.h b/doomclassic/doom/m_misc.h
index 5c40531b..4d57dfac 100644
--- a/doomclassic/doom/m_misc.h
+++ b/doomclassic/doom/m_misc.h
@@ -34,7 +34,7 @@ If you have questions concerning this license or the applicable additional terms
 //
 // MISC
 //
-boolean
+bool
 M_WriteFile
 ( char const*	name,
   void*		source,
diff --git a/doomclassic/doom/vars.h b/doomclassic/doom/vars.h
index 7e1b4427..aaca3e92 100644
--- a/doomclassic/doom/vars.h
+++ b/doomclassic/doom/vars.h
@@ -303,7 +303,7 @@ InputEvent joyEvents[18];
 //  i_net_xbox.vars begin // 
 int			sendsocket;
 int			insocket;
-struct	sockaddr_in	sendaddress[MAXNETNODES];
+//struct	sockaddr_in	sendaddress[MAXNETNODES];
 // i_net_xbox.vars end // 
 //  i_system.vars begin // 
 int	mb_used ;