diff --git a/lib/lua/lauxlib.h b/lib/lua/lauxlib.h
index ac4d15f..aa855cb 100644
--- a/lib/lua/lauxlib.h
+++ b/lib/lua/lauxlib.h
@@ -193,9 +193,10 @@ typedef struct luaL_Stream {
 /* }====================================================== */
 
 
+// Hack by Allanis. Not recommended.
 
 /* compatibility with old module system */
-#if defined(LUA_COMPAT_MODULE)
+//#if defined(LUA_COMPAT_MODULE)
 
 LUALIB_API void (luaL_pushmodule) (lua_State *L, const char *modname,
                                    int sizehint);
@@ -204,7 +205,7 @@ LUALIB_API void (luaL_openlib) (lua_State *L, const char *libname,
 
 #define luaL_register(L,n,l)	(luaL_openlib(L,(n),(l),0))
 
-#endif
+//#endif
 
 
 #endif
diff --git a/src/ai.c b/src/ai.c
index 7db97a1..51b3dd9 100644
--- a/src/ai.c
+++ b/src/ai.c
@@ -46,7 +46,7 @@
 // ============================================================
 
 // FUCK LUA!!!
-#define luaL_register(L,n,l) (luaL_openlib(L, (n),(l), 0))
+//#define luaL_register(L,n,l) (luaL_openlib(L, (n),(l), 0))
 // Creates a new lua table.
 #define newtable(L)           (lua_newtable(L), lua_gettop(L))
 // Register a number constant n to name s (syntax is just like lua_regfunc).
diff --git a/src/input.c b/src/input.c
index 11115d1..8cd19e1 100644
--- a/src/input.c
+++ b/src/input.c
@@ -33,7 +33,7 @@ const char* keybindNames[] = {
 
 // Accel hacks.
 static unsigned int input_accelLast  = 0;   // Used to see if double tap.
-int input_afterburnSensibility = 500;  // ms between taps to afterburn.
+unsigned int input_afterburnSensibility = 500;  // ms between taps to afterburn.
 
 // From player.c
 extern double player_turn;
diff --git a/src/misn_lua.c b/src/misn_lua.c
index b4929eb..7b68cac 100644
--- a/src/misn_lua.c
+++ b/src/misn_lua.c
@@ -1,4 +1,5 @@
 #include "lua.h"
+#include "lualib.h"
 #include "lauxlib.h"
 
 #include "hook.h"
@@ -10,7 +11,7 @@
 #include "misn_lua.h"
 
 // FUCK LUA!!!                                                                  
-#define luaL_register(L,n,l) (luaL_openlib(L, (n),(l), 0))
+//#define luaL_register(L,n,l) (luaL_openlib(L, (n),(l), 0))
 
 #define MIN_ARGS(n) if(lua_gettop(L) < n) return 0
 
@@ -192,7 +193,7 @@ static int player_pay(lua_State* L) {
   return 0;
 }
 
-static rnd_int(lua_State* L) {
+static int rnd_int(lua_State* L) {
   int o;
 
   o = lua_gettop(L);
diff --git a/src/mission.c b/src/mission.c
index 692b3f5..6aac223 100644
--- a/src/mission.c
+++ b/src/mission.c
@@ -11,6 +11,7 @@
 #include "hook.h"
 #include "pack.h"
 #include "xml.h"
+#include "faction.h"
 #include "mission.h"
 
 #define XML_MISSION_ID    "Missions"  // XML section identifier.
@@ -27,7 +28,7 @@ static unsigned int mission_id = 0;
 Mission player_missions[MISSION_MAX];
 
 // Mission stack.
-static Mission* mission_stack = NULL; // Unmuteable after creation.
+static MissionData* mission_stack = NULL; // Unmuteable after creation.
 static int mission_nstack = 0;
 
 // Extern.
diff --git a/src/mission.h b/src/mission.h
index ec34803..0d8dd45 100644
--- a/src/mission.h
+++ b/src/mission.h
@@ -62,6 +62,7 @@ void mission_accept(Mission* misn);
 
 // Load/Quit.
 int missions_load(void);
+void mission_free(Mission* mission);
 void missions_free(void);
 void missions_cleanup(void);
 
diff --git a/src/pilot.c b/src/pilot.c
index fae7512..0fea028 100644
--- a/src/pilot.c
+++ b/src/pilot.c
@@ -953,7 +953,6 @@ static Fleet* fleet_parse(const xmlNodePtr parent) {
 #define MELEMENT(o,s) if(o) WARN("Fleet '%s' missing '"s"' element", tmp->name)
   MELEMENT(tmp->ai==NULL,       "ai");
   MELEMENT(tmp->faction==-1, "faction");
-  MELEMENT(tmp->faction==NULL,  "faction");
   MELEMENT(tmp->pilots==NULL,   "pilots");
 #undef MELEMENT
 
diff --git a/src/toolkit.c b/src/toolkit.c
index 2651df8..5fabd75 100644
--- a/src/toolkit.c
+++ b/src/toolkit.c
@@ -788,6 +788,7 @@ static void window_render(Window* w) {
 static void toolkit_renderButton(Widget* btn, double bx, double by) {
   glColour* c, *dc, *oc, *lc;
   double x, y;
+  (void)oc;
 
   x = bx + btn->x;
   y = by + btn->y;