diff --git a/meta-arm/conf/machine/generic-arm64.conf b/meta-arm/conf/machine/generic-arm64.conf
index 05b3e70c..ca4b8d3b 100644
--- a/meta-arm/conf/machine/generic-arm64.conf
+++ b/meta-arm/conf/machine/generic-arm64.conf
@@ -1,12 +1,10 @@
 #@TYPE: Machine
 #@NAME: generic-arm64
-#@DESCRIPTION: Generic Arm64 machine for creating rootfs that should work on all arm64 hardware
+#@DESCRIPTION: Generic Arm64 machine for typical SystemReady platforms, which
+#have working firmware and boot via EFI.
 
 require conf/machine/include/arm/arch-armv8a.inc
 
-SERIAL_CONSOLES ?= "115200;ttyAMA0"
-SERIAL_CONSOLES_CHECK = "${SERIAL_CONSOLES}"
-
 PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
 PREFERRED_VERSION_linux-yocto ?= "5.10%"