diff --git a/dlls/ntdll/ntdll_misc.h b/dlls/ntdll/ntdll_misc.h
index 56e2b2fd645..75e60efea46 100644
--- a/dlls/ntdll/ntdll_misc.h
+++ b/dlls/ntdll/ntdll_misc.h
@@ -22,9 +22,7 @@
 #include <stdarg.h>
 #include <signal.h>
 #include <sys/types.h>
-#ifdef HAVE_PTHREAD_H
-# include <pthread.h>
-#endif
+#include <pthread.h>
 
 #include "windef.h"
 #include "winnt.h"
diff --git a/loader/main.c b/loader/main.c
index 4c2cb504c49..c3189ec5b10 100644
--- a/loader/main.c
+++ b/loader/main.c
@@ -33,9 +33,7 @@
 #ifdef HAVE_UNISTD_H
 # include <unistd.h>
 #endif
-#ifdef HAVE_PTHREAD_H
-# include <pthread.h>
-#endif
+#include <pthread.h>
 
 #include "wine/library.h"
 #include "main.h"
diff --git a/loader/main.h b/loader/main.h
index 0c6fc84195b..b06423f227e 100644
--- a/loader/main.h
+++ b/loader/main.h
@@ -22,8 +22,6 @@
 #ifndef __WINE_LOADER_MAIN_H
 #define __WINE_LOADER_MAIN_H
 
-#include "wine/pthread.h"
-
 struct wine_preload_info
 {
     void  *addr;
diff --git a/loader/pthread.c b/loader/pthread.c
index e4e0831f210..712bd379075 100644
--- a/loader/pthread.c
+++ b/loader/pthread.c
@@ -39,9 +39,7 @@
 #include <sys/ucontext.h>
 #include <sys/thr.h>
 #endif
-#ifdef HAVE_PTHREAD_H
 #include <pthread.h>
-#endif
 #ifdef HAVE_PTHREAD_NP_H
 #include <pthread_np.h>
 #endif
@@ -49,8 +47,6 @@
 #include "wine/library.h"
 #include "wine/pthread.h"
 
-#ifdef HAVE_PTHREAD_H
-
 static int init_done;
 static int nb_threads = 1;
 
@@ -223,47 +219,6 @@ static void DECLSPEC_NORETURN abort_thread( long status )
     pthread_exit( (void *)status );
 }
 
-#else  /* HAVE_PTHREAD_H */
-
-static void init_process( const struct wine_pthread_callbacks *callbacks, size_t size )
-{
-}
-
-static void init_thread( struct wine_pthread_thread_info *info )
-{
-}
-
-static int create_thread( struct wine_pthread_thread_info *info )
-{
-    return -1;
-}
-
-static void init_current_teb( struct wine_pthread_thread_info *info )
-{
-}
-
-static void *get_current_teb(void)
-{
-    return NULL;
-}
-
-static void DECLSPEC_NORETURN exit_thread( struct wine_pthread_thread_info *info )
-{
-    abort();
-}
-
-static void DECLSPEC_NORETURN abort_thread( long status )
-{
-    abort();
-}
-
-static int pthread_sigmask( int how, const sigset_t *newset, sigset_t *oldset )
-{
-    return -1;
-}
-
-#endif  /* HAVE_PTHREAD_H */
-
 
 /***********************************************************************
  *           pthread_functions