diff --git a/Descent3/Mission.cpp b/Descent3/Mission.cpp
index b36c9f8f8..8706865b1 100644
--- a/Descent3/Mission.cpp
+++ b/Descent3/Mission.cpp
@@ -1635,20 +1635,15 @@ bool DoMissionBriefing(int level) {
   return ret;
 }
 extern bool FirstGame;
-bool Skip_next_movie = false;
+
 //	---------------------------------------------------------------------------
 //	 play movie
 void DoMissionMovie(const char *movie) {
-  char temppath[_MAX_PATH];
   if (PROGRAM(windowed)) {
     mprintf(0, "Skipping movie...can't do in windowed mode!\n");
     return;
   }
-  // Don't play this movie the first time through. This is a horrible hack.
-  if (Skip_next_movie) {
-    Skip_next_movie = false;
-    return;
-  }
+
 #ifdef D3_FAST
   return;
 #endif
@@ -1657,8 +1652,8 @@ void DoMissionMovie(const char *movie) {
     ddio_MakePath(mpath, LocalD3Dir, "movies", movie, NULL);
     PlayMovie(mpath);
   }
-  // PlayMovie(movie);
 }
+
 ///////////////////////////////////////////////////////////////////////////////
 //	Script Management for Missions and Levels
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/Descent3/init.cpp b/Descent3/init.cpp
index 92a18cd42..6bb665eb5 100644
--- a/Descent3/init.cpp
+++ b/Descent3/init.cpp
@@ -1117,9 +1117,6 @@ void PreInitD3Systems() {
 #endif
 }
 
-/*
-        Save game variables to the registry
-*/
 void SaveGameSettings() {
   char tempbuffer[TEMPBUFFERSIZE];
   int tempint;
diff --git a/Descent3/init.h b/Descent3/init.h
index f7cc89af4..535d0457f 100644
--- a/Descent3/init.h
+++ b/Descent3/init.h
@@ -98,4 +98,9 @@ void RestartD3();
 
 void InitMessage(const char *c, float progress = -1);
 
+/**
+ * Save game variables to the registry
+ */
+void SaveGameSettings();
+
 #endif
diff --git a/Descent3/menu.cpp b/Descent3/menu.cpp
index 3e9119ba9..c0e45a07a 100644
--- a/Descent3/menu.cpp
+++ b/Descent3/menu.cpp
@@ -658,12 +658,12 @@
 #include "menu.h"
 #include "mmItem.h"
 #include "game.h"
-#include "gamesequence.h"
 #include "Mission.h"
 #include "multi_ui.h"
 #include "ctlconfig.h"
 #include "config.h"
 #include "gamesave.h"
+#include "gamesequence.h"
 #include "demofile.h"
 #include "pilot.h"
 #include "LoadLevel.h"
@@ -671,6 +671,8 @@
 #include "mem.h"
 #include "args.h"
 #include "cinematics.h"
+#include "multi_dll_mgr.h"
+#include "newui_core.h"
 
 #ifdef _WIN32
 #define USE_DIRECTPLAY
@@ -681,9 +683,6 @@
 #else
 bool Directplay_lobby_launched_game = false;
 #endif
-#include "multi_dll_mgr.h"
-#include "d3music.h"
-#include "newui_core.h"
 
 #define IDV_QUIT 0xff
 //	Menu Item Defines
@@ -702,8 +701,7 @@ bool MenuLoadLevel(void);
 #endif
 // for command line joining of games
 bool Auto_connected = false;
-// externed from init.cpp
-extern void SaveGameSettings();
+
 //	runs command line options.
 bool ProcessCommandLine();
 // new game selection
@@ -715,7 +713,6 @@ extern bool Demo_looping;
 bool FirstGame = false;
 
 int MainMenu() {
-  extern void ShowStaticScreen(char *bitmap_filename, bool timed = false, float delay_time = 0.0f);
   mmInterface main_menu;
   bool exit_game = false;
   bool exit_menu = false;
@@ -1127,15 +1124,16 @@ static inline int generate_mission_listbox(newuiListBox *lb, int n_maxfiles, cha
   }
   return c;
 }
-extern bool Skip_next_movie;
+
 #define OEM_TRAINING_FILE "training.mn3"
 #define OEM_MISSION_FILE "d3oem.mn3"
+
 bool MenuNewGame() {
   newuiTiledWindow menu;
   newuiSheet *select_sheet;
   newuiListBox *msn_lb;
-  char **filelist = NULL;
-  int n_missions, i, res; //,k
+  char **filelist = nullptr;
+  int n_missions, i, res;
   bool found = false;
   bool do_menu = true, load_mission = false, retval = true;
 #ifdef DEMO
@@ -1150,18 +1148,10 @@ bool MenuNewGame() {
     return false;
   }
 #else
-#ifdef RELEASE
   if ((!FindArg("-mission")) && (!FirstGame) && (-1 == Current_pilot.find_mission_data(TRAINING_MISSION_NAME))) {
 
     FirstGame = true;
 
-    char moviepath[_MAX_PATH];
-    ddio_MakePath(moviepath, LocalD3Dir, "movies", "level1.mve", nullptr);
-    if (cfexist(moviepath)) {
-      PlayMovie(moviepath);
-    }
-    Skip_next_movie = true;
-
     if (LoadMission("training.mn3")) {
       CurrentPilotUpdateMissionStatus(true);
       // go into game mode.
@@ -1190,7 +1180,7 @@ bool MenuNewGame() {
       return false;
     }
   }
-#endif
+
   // create menu.
   menu.Create(TXT_MENUNEWGAME, 0, 0, 448, 384);
 
@@ -1333,7 +1323,7 @@ bool MenuNewGame() {
           goto redo_newgame_menu;
         } else {
           Current_mission.cur_level = start_level;
-          // pull out the ship permssions and use them
+          // pull out the ship permissions and use them
           Players[0].ship_permissions = GetPilotShipPermissions(&Current_pilot, Current_mission.name);
         }
       }
diff --git a/Descent3/mmItem.h b/Descent3/mmItem.h
index 9909fb832..55d5e0f22 100644
--- a/Descent3/mmItem.h
+++ b/Descent3/mmItem.h
@@ -68,9 +68,12 @@
  */
 #ifndef MMITEM_H
 #define MMITEM_H
+
+#include "cinematics.h"
+#include "gamefont.h"
 #include "newui.h"
 #include "psclass.h"
-#include "gamefont.h"
+
 #if ((!defined(OEM)) && (!defined(DEMO)))
 #define MOVIE_MENU
 #endif
@@ -176,7 +179,7 @@ class mmItem : public UIGadget {
   virtual void OnSelect();
 };
 //	Main Menu Interface Object
-struct tCinematic;
+
 class mmInterface : public UIWindow {
   int m_nmenu_items;                 // number of menu items available.
   mmItem m_menuitems[N_MMENU_ITEMS]; // main menu items
diff --git a/ddebug/debug.h b/ddebug/debug.h
index 2c0e6a957..988c73228 100644
--- a/ddebug/debug.h
+++ b/ddebug/debug.h
@@ -180,10 +180,11 @@ void ddio_InternalKeyClose();
 #else
 #define debug_break()
 #endif
+
 #if defined(WIN32)
-// We forward declare PEXCEPTION_POINTERS so that the function
-// prototype doesn't needlessly require windows.h.
-typedef struct _EXCEPTION_POINTERS EXCEPTION_POINTERS, *PEXCEPTION_POINTERS;
-long __cdecl RecordExceptionInfo(PEXCEPTION_POINTERS data);
+
+#include <windows.h>
+
+long WINAPI RecordExceptionInfo(PEXCEPTION_POINTERS data);
 #endif
 #endif
diff --git a/ddebug/windebug.cpp b/ddebug/windebug.cpp
index 1e27cda18..a3bccfbaa 100644
--- a/ddebug/windebug.cpp
+++ b/ddebug/windebug.cpp
@@ -325,8 +325,7 @@ void dump_text_to_clipboard(char *text) { DumpTextToClipboard(text); }
 ///////////////////////////////////////////////////////////////////////////////
 
 #pragma comment(lib, "DbgHelp.lib")
-
-long __cdecl RecordExceptionInfo(PEXCEPTION_POINTERS data) {
+long WINAPI RecordExceptionInfo(PEXCEPTION_POINTERS data) {
   static bool BeenHere = false;
   if (BeenHere) // Going recursive! That must mean this routine crashed!
     return EXCEPTION_CONTINUE_SEARCH;