diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 304fd3d370..1a40e49db7 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -12444,12 +12444,10 @@ static void handle_rev(DisasContext *s, int opcode, bool u,
             read_vec_element(s, tcg_tmp, rn, i, grp_size);
             switch (grp_size) {
             case MO_16:
-                tcg_gen_bswap16_i64(tcg_tmp, tcg_tmp,
-                                    TCG_BSWAP_IZ | TCG_BSWAP_OZ);
+                tcg_gen_bswap16_i64(tcg_tmp, tcg_tmp, TCG_BSWAP_IZ);
                 break;
             case MO_32:
-                tcg_gen_bswap32_i64(tcg_tmp, tcg_tmp,
-                                    TCG_BSWAP_IZ | TCG_BSWAP_OZ);
+                tcg_gen_bswap32_i64(tcg_tmp, tcg_tmp, TCG_BSWAP_IZ);
                 break;
             case MO_64:
                 tcg_gen_bswap64_i64(tcg_tmp, tcg_tmp);