diff --git a/src/3rdparty/squirrel/sqstdlib/sqstdstring.cpp b/src/3rdparty/squirrel/sqstdlib/sqstdstring.cpp
--- a/src/3rdparty/squirrel/sqstdlib/sqstdstring.cpp
+++ b/src/3rdparty/squirrel/sqstdlib/sqstdstring.cpp
@@ -1,7 +1,6 @@
 /* see copyright notice in squirrel.h */
 #include <squirrel.h>
 #include <sqstdstring.h>
-#include <stdarg.h>
 
 #define scstrchr strchr
 #define scatoi atoi
diff --git a/src/3rdparty/squirrel/squirrel/sqbaselib.cpp b/src/3rdparty/squirrel/squirrel/sqbaselib.cpp
--- a/src/3rdparty/squirrel/squirrel/sqbaselib.cpp
+++ b/src/3rdparty/squirrel/squirrel/sqbaselib.cpp
@@ -13,7 +13,6 @@
 #include "sqfuncproto.h"
 #include "sqclosure.h"
 #include "sqclass.h"
-#include <stdarg.h>
 #include <ctype.h>
 
 #include "../../../safeguards.h"
diff --git a/src/3rdparty/squirrel/squirrel/sqcompiler.cpp b/src/3rdparty/squirrel/squirrel/sqcompiler.cpp
--- a/src/3rdparty/squirrel/squirrel/sqcompiler.cpp
+++ b/src/3rdparty/squirrel/squirrel/sqcompiler.cpp
@@ -7,7 +7,6 @@
 
 #include <squirrel.h>
 #include "sqpcheader.h"
-#include <stdarg.h>
 #include "sqopcodes.h"
 #include "sqstring.h"
 #include "sqfuncproto.h"
diff --git a/src/stdafx.h b/src/stdafx.h
--- a/src/stdafx.h
+++ b/src/stdafx.h
@@ -53,7 +53,6 @@
 #include <cerrno>
 #include <climits>
 #include <cmath>
-#include <cstdarg>
 #include <cstddef>
 #include <cstdint>
 #include <cstdio>