diff --git a/include/qemu/bswap.h b/include/qemu/bswap.h
index 32d5cdec27..3cbe52246b 100644
--- a/include/qemu/bswap.h
+++ b/include/qemu/bswap.h
@@ -1,27 +1,16 @@
 #ifndef BSWAP_H
 #define BSWAP_H
 
-#ifdef CONFIG_MACHINE_BSWAP_H
-# include <sys/endian.h>
-# include <machine/bswap.h>
-# else
-#define BSWAP_FROM_FALLBACKS
-#endif /* ! CONFIG_MACHINE_BSWAP_H */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#ifdef BSWAP_FROM_FALLBACKS
 #undef  bswap16
 #define bswap16(_x) __builtin_bswap16(_x)
 #undef  bswap32
 #define bswap32(_x) __builtin_bswap32(_x)
 #undef  bswap64
 #define bswap64(_x) __builtin_bswap64(_x)
-#endif
-
-#undef BSWAP_FROM_FALLBACKS
 
 static inline void bswap16s(uint16_t *s)
 {
diff --git a/meson.build b/meson.build
index 7e15a010bf..a03d3dbd3a 100644
--- a/meson.build
+++ b/meson.build
@@ -2030,10 +2030,6 @@ config_host_data.set('CONFIG_INOTIFY',
                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
 config_host_data.set('CONFIG_INOTIFY1',
                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
-config_host_data.set('CONFIG_MACHINE_BSWAP_H',
-                     cc.has_header_symbol('machine/bswap.h', 'bswap32',
-                                          prefix: '''#include <sys/endian.h>
-                                                     #include <sys/types.h>'''))
 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
 config_host_data.set('CONFIG_RTNETLINK',