diff --git a/configure b/configure
index af51ab4057..8225d81868 100755
--- a/configure
+++ b/configure
@@ -763,7 +763,6 @@ HAVE_LIST="
     altivec_h
     arpa_inet_h
     bswap
-    byteswap_h
     closesocket
     cmov
     conio_h
@@ -870,9 +869,6 @@ neon_deps="armv4l"
 ssse3_deps="x86"
 vis_deps="sparc"
 
-# system headers and functions
-byteswap_h_deps="!armv4l"
-
 # decoders / encoders
 ac3_decoder_deps="gpl"
 dxa_decoder_deps="zlib"
@@ -1673,7 +1669,6 @@ check_func  memalign
 check_func  mkstemp
 check_func_headers windows.h GetProcessTimes
 
-check_header byteswap.h
 check_header conio.h
 check_header dlfcn.h
 check_header malloc.h
diff --git a/libavutil/bswap.h b/libavutil/bswap.h
index 86a2492a20..18fa594f94 100644
--- a/libavutil/bswap.h
+++ b/libavutil/bswap.h
@@ -30,10 +30,6 @@
 #include "config.h"
 #include "common.h"
 
-#ifdef HAVE_BYTESWAP_H
-#include <byteswap.h>
-#else
-
 static av_always_inline av_const uint16_t bswap_16(uint16_t x)
 {
 #if defined(ARCH_X86)
@@ -108,8 +104,6 @@ static inline uint64_t av_const bswap_64(uint64_t x)
 #endif
 }
 
-#endif  /* !HAVE_BYTESWAP_H */
-
 // be2me ... BigEndian to MachineEndian
 // le2me ... LittleEndian to MachineEndian