diff --git a/poky/meta/conf/machine/include/tune-cortexa57-cortexa53.inc b/poky/meta/conf/machine/include/tune-cortexa57-cortexa53.inc
index d86be72..d329d61 100644
--- a/poky/meta/conf/machine/include/tune-cortexa57-cortexa53.inc
+++ b/poky/meta/conf/machine/include/tune-cortexa57-cortexa53.inc
@@ -1,7 +1,6 @@
 DEFAULTTUNE ?= "cortexa57-cortexa53"
 
 TUNEVALID[cortexa57-cortexa53] = "Enable big.LITTLE Cortex-A57.Cortex-A53 specific processor optimizations"
-TUNECONFLICTS[aarch64] = "armv4 armv5 armv6 armv7 armv7a"
 TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES", "cortexa57-cortexa53", " -mcpu=cortex-a57.cortex-a53", "", d)}"
 MACHINEOVERRIDES =. "${@bb.utils.contains("TUNE_FEATURES", "cortexa57-cortexa53", "cortexa57-cortexa53:", "", d)}"
 
@@ -10,6 +9,6 @@
 # Little Endian base configs
 AVAILTUNES += "cortexa57-cortexa53"
 ARMPKGARCH_tune-cortexa57-cortexa53 = "cortexa57-cortexa53"
-TUNE_FEATURES_tune-cortexa57-cortexa53 = "aarch64 crc cortexa57-cortexa53"
+TUNE_FEATURES_tune-cortexa57-cortexa53 = "${TUNE_FEATURES_tune-armv8a-crc} cortexa57-cortexa53"
 PACKAGE_EXTRA_ARCHS_tune-cortexa57-cortexa53 = "${PACKAGE_EXTRA_ARCHS_tune-armv8a-crc} cortexa57-cortexa53"
 BASE_LIB_tune-cortexa57-cortexa53 = "lib64"