diff --git a/dlls/winecrt0/delay_load.c b/dlls/winecrt0/delay_load.c
index ac257bafb01..aab4079b04b 100644
--- a/dlls/winecrt0/delay_load.c
+++ b/dlls/winecrt0/delay_load.c
@@ -18,6 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#ifndef _WIN32
+
 #include <stdarg.h>
 #include "windef.h"
 #include "winbase.h"
@@ -61,3 +63,5 @@ static void free_delay_imports(void)
         if (*descr->phmod) FreeLibrary( *descr->phmod );
 }
 #endif
+
+#endif  /* _WIN32 */
diff --git a/dlls/winecrt0/dll_entry.c b/dlls/winecrt0/dll_entry.c
index 9bbe8c401d7..591aa0783cb 100644
--- a/dlls/winecrt0/dll_entry.c
+++ b/dlls/winecrt0/dll_entry.c
@@ -18,6 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#ifndef _WIN32
+
 #include <stdarg.h>
 #include "windef.h"
 #include "winbase.h"
@@ -43,3 +45,5 @@ BOOL WINAPI DECLSPEC_HIDDEN __wine_spec_dll_entry( HINSTANCE inst, DWORD reason,
 
     return ret;
 }
+
+#endif  /* _WIN32 */
diff --git a/dlls/winecrt0/drv_entry.c b/dlls/winecrt0/drv_entry.c
index 32a87ee51ac..47501683efc 100644
--- a/dlls/winecrt0/drv_entry.c
+++ b/dlls/winecrt0/drv_entry.c
@@ -18,6 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#ifndef _WIN32
+
 #include <stdarg.h>
 #include "windef.h"
 #include "winternl.h"
@@ -35,3 +37,5 @@ NTSTATUS DECLSPEC_HIDDEN WINAPI __wine_spec_drv_entry( struct _DRIVER_OBJECT *ob
     return DriverEntry( obj, path );
     /* there is no detach routine so we can't call destructors */
 }
+
+#endif  /* _WIN32 */
diff --git a/dlls/winecrt0/exe16_entry.c b/dlls/winecrt0/exe16_entry.c
index 25993325580..1e477bd5df0 100644
--- a/dlls/winecrt0/exe16_entry.c
+++ b/dlls/winecrt0/exe16_entry.c
@@ -18,14 +18,14 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#if defined(__i386__) && !defined(_WIN32)
+
 #include <stdarg.h>
 #include "windef.h"
 #include "winbase.h"
 #include "wownt32.h"
 #include "wine/winbase16.h"
 
-#ifdef __i386__
-
 extern WORD WINAPI WinMain16( HINSTANCE16 inst, HINSTANCE16 prev, LPSTR cmdline, WORD show );
 
 void WINAPI DECLSPEC_HIDDEN __wine_spec_exe16_entry( CONTEXT *context )
diff --git a/dlls/winecrt0/exe_entry.c b/dlls/winecrt0/exe_entry.c
index 41656516ddb..60c11aa2629 100644
--- a/dlls/winecrt0/exe_entry.c
+++ b/dlls/winecrt0/exe_entry.c
@@ -18,6 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#ifndef _WIN32
+
 #include <stdarg.h>
 #include "windef.h"
 #include "winbase.h"
@@ -37,3 +39,5 @@ DWORD WINAPI DECLSPEC_HIDDEN __wine_spec_exe_entry( PEB *peb )
     if (needs_init) _fini();
     ExitProcess( ret );
 }
+
+#endif  /* _WIN32 */
diff --git a/dlls/winecrt0/exe_main.c b/dlls/winecrt0/exe_main.c
index 89ffa7b7f16..94a96d1bb59 100644
--- a/dlls/winecrt0/exe_main.c
+++ b/dlls/winecrt0/exe_main.c
@@ -18,6 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#ifndef _WIN32
+
 #include <stdarg.h>
 #include "windef.h"
 #include "winbase.h"
@@ -48,3 +50,5 @@ int main( int argc, char *argv[] )
     if (!(info.dwFlags & STARTF_USESHOWWINDOW)) info.wShowWindow = SW_SHOWNORMAL;
     return WinMain( GetModuleHandleA(0), 0, cmdline, info.wShowWindow );
 }
+
+#endif  /* _WIN32 */
diff --git a/dlls/winecrt0/exe_wentry.c b/dlls/winecrt0/exe_wentry.c
index 11cff89b41a..ed1bd20b7e8 100644
--- a/dlls/winecrt0/exe_wentry.c
+++ b/dlls/winecrt0/exe_wentry.c
@@ -18,6 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#ifndef _WIN32
+
 #include <stdarg.h>
 #include "windef.h"
 #include "winbase.h"
@@ -37,3 +39,5 @@ DWORD WINAPI DECLSPEC_HIDDEN __wine_spec_exe_wentry( PEB *peb )
     if (needs_init) _fini();
     ExitProcess( ret );
 }
+
+#endif  /* _WIN32 */
diff --git a/dlls/winecrt0/exe_wmain.c b/dlls/winecrt0/exe_wmain.c
index ce685f81648..d697e90c629 100644
--- a/dlls/winecrt0/exe_wmain.c
+++ b/dlls/winecrt0/exe_wmain.c
@@ -18,6 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#ifndef _WIN32
+
 #include <stdarg.h>
 #include "windef.h"
 #include "winbase.h"
@@ -50,3 +52,5 @@ int wmain( int argc, WCHAR *argv[] )
     if (!(info.dwFlags & STARTF_USESHOWWINDOW)) info.wShowWindow = SW_SHOWNORMAL;
     return wWinMain( GetModuleHandleW(0), 0, cmdline, info.wShowWindow );
 }
+
+#endif  /* _WIN32 */
diff --git a/dlls/winecrt0/init.c b/dlls/winecrt0/init.c
index 74eca438de6..bd9d9fc98b2 100644
--- a/dlls/winecrt0/init.c
+++ b/dlls/winecrt0/init.c
@@ -18,6 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#ifndef _WIN32
+
 #include <stdarg.h>
 #include "windef.h"
 #include "winbase.h"
@@ -40,3 +42,5 @@ void DECLSPEC_HIDDEN __wine_spec_init_ctor(void)
     if (__wine_spec_init_state == NO_INIT_DONE) __wine_spec_init();
     __wine_spec_init_state = CONSTRUCTORS_DONE;
 }
+
+#endif  /* _WIN32 */