diff --git a/engines/cruise/decompiler.cpp b/engines/cruise/decompiler.cpp
index f902fe4673f..072fa171fd4 100644
--- a/engines/cruise/decompiler.cpp
+++ b/engines/cruise/decompiler.cpp
@@ -26,8 +26,6 @@
 
 namespace Cruise {
 
-#include <stdarg.h>
-
 #ifdef DUMP_SCRIPT
 
 #define numMaxLignes 100000
diff --git a/engines/cruise/polys.cpp b/engines/cruise/polys.cpp
index f3860e6b900..e479b4d0188 100644
--- a/engines/cruise/polys.cpp
+++ b/engines/cruise/polys.cpp
@@ -27,9 +27,6 @@
 
 namespace Cruise {
 
-#include <stdlib.h>
-#include <math.h>
-
 typedef char ColorP;
 
 #define SCREENHEIGHT 200