diff --git a/include/mem.h b/include/mem.h
index a446fc82..56fed308 100644
--- a/include/mem.h
+++ b/include/mem.h
@@ -24,7 +24,6 @@
 #include <cstring>
 
 #include "types.h"
-
 #include "byteorder.h"
 
 typedef Bit32u PhysPt;
@@ -67,84 +66,6 @@ static INLINE void host_writeb(uint8_t *var, const uint8_t val)
 	*var = val;
 }
 
-// host_to_le functions allow for byte order conversion on big endian
-// architectures while respecting memory alignment on low endian.
-//
-// It is extremely unlikely that we'll ever try to compile on big endian arch
-// with a compiler missing __builtin_bswap*, so let's not overcomplicate
-// things.
-//
-// __builtin_bswap* is supported since GCC 4.3 and Clang 3.4
-
-constexpr static INLINE uint8_t host_to_le(uint8_t val) {
-	return val;
-}
-
-#if defined(WORDS_BIGENDIAN)
-
-constexpr static INLINE int16_t host_to_le(int16_t val) {
-	return __builtin_bswap16(val);
-}
-
-constexpr static INLINE uint16_t host_to_le(uint16_t val) {
-	return __builtin_bswap16(val);
-}
-
-constexpr static INLINE uint32_t host_to_le(uint32_t val) {
-	return __builtin_bswap32(val);
-}
-
-constexpr static INLINE uint64_t host_to_le(uint64_t val)
-{
-	return __builtin_bswap64(val);
-}
-
-#else
-
-constexpr static INLINE int16_t host_to_le(int16_t val) {
-	return val;
-}
-
-constexpr static INLINE uint16_t host_to_le(uint16_t val) {
-	return val;
-}
-
-constexpr static INLINE uint32_t host_to_le(uint32_t val) {
-	return val;
-}
-
-constexpr static INLINE uint64_t host_to_le(uint64_t val)
-{
-	return val;
-}
-
-#endif
-
-constexpr static INLINE uint8_t le_to_host(uint8_t val)
-{
-	return host_to_le(val);
-}
-
-constexpr static INLINE int16_t le_to_host(int16_t val)
-{
-	return host_to_le(val);
-}
-
-constexpr static INLINE uint16_t le_to_host(uint16_t val)
-{
-	return host_to_le(val);
-}
-
-constexpr static INLINE uint32_t le_to_host(uint32_t val)
-{
-	return host_to_le(val);
-}
-
-constexpr static INLINE uint64_t le_to_host(uint64_t val)
-{
-	return host_to_le(val);
-}
-
 // Read, write, and add using 16-bit words
 static INLINE uint16_t host_readw(const uint8_t *arr)
 {