Removed some unnecessary includes.

diff --git a/windows/class.c b/windows/class.c
index cf335a2..5bce63d 100644
--- a/windows/class.c
+++ b/windows/class.c
@@ -25,7 +25,6 @@
 #include "win.h"
 #include "controls.h"
 #include "dce.h"
-#include "toolhelp.h"
 #include "winproc.h"
 #include "debugtools.h"
 
@@ -1277,6 +1276,8 @@
 }
 
 
+#if 0  /* toolhelp is in kernel, so this cannot work */
+
 /***********************************************************************
  *		ClassFirst (TOOLHELP.69)
  */
@@ -1311,3 +1312,4 @@
                           sizeof(pClassEntry->szClassName) );
     return TRUE;
 }
+#endif
diff --git a/windows/user.c b/windows/user.c
index 112a655..88ee059 100644
--- a/windows/user.c
+++ b/windows/user.c
@@ -17,7 +17,6 @@
 #include "controls.h"
 #include "cursoricon.h"
 #include "hook.h"
-#include "toolhelp.h"
 #include "message.h"
 #include "miscemu.h"
 #include "sysmetrics.h"
diff --git a/windows/x11drv/event.c b/windows/x11drv/event.c
index 36fa073..000a986 100644
--- a/windows/x11drv/event.c
+++ b/windows/x11drv/event.c
@@ -28,12 +28,10 @@
 #include "heap.h"
 #include "input.h"
 #include "keyboard.h"
-#include "message.h"
 #include "mouse.h"
 #include "options.h"
 #include "win.h"
 #include "winpos.h"
-#include "file.h"
 #include "windef.h"
 #include "winreg.h"
 #include "x11drv.h"
diff --git a/windows/x11drv/keyboard.c b/windows/x11drv/keyboard.c
index 78ff6aa..f0b052d 100644
--- a/windows/x11drv/keyboard.c
+++ b/windows/x11drv/keyboard.c
@@ -31,7 +31,6 @@
 #include "debugtools.h"
 #include "user.h"
 #include "keyboard.h"
-#include "message.h"
 #include "winnls.h"
 #include "win.h"
 #include "x11drv.h"