diff --git a/src/util-inl.h b/src/util-inl.h
index 669b7e7535884b..69dc5b2a61a1a9 100644
--- a/src/util-inl.h
+++ b/src/util-inl.h
@@ -199,15 +199,8 @@ TypeName* Unwrap(v8::Local<v8::Object> object) {
 }
 
 void SwapBytes(uint16_t* dst, const uint16_t* src, size_t buflen) {
-  for (size_t i = 0; i < buflen; i++) {
-    // __builtin_bswap16 generates more efficient code with
-    // g++ 4.8 on PowerPC and other big-endian archs
-#ifdef __GNUC__
-    dst[i] = __builtin_bswap16(src[i]);
-#else
+  for (size_t i = 0; i < buflen; i += 1)
     dst[i] = (src[i] << 8) | (src[i] >> 8);
-#endif
-  }
 }