diff --git a/meta-arm-bsp/conf/machine/sbsa-ref.conf b/meta-arm-bsp/conf/machine/sbsa-ref.conf
index d05e4467..1f86cdb6 100644
--- a/meta-arm-bsp/conf/machine/sbsa-ref.conf
+++ b/meta-arm-bsp/conf/machine/sbsa-ref.conf
@@ -25,19 +25,12 @@ EFI_PROVIDER ?= "${@bb.utils.contains("DISTRO_FEATURES", "systemd", "systemd-boo
 
 SERIAL_CONSOLES ?= "115200;ttyAMA0 115200;hvc0"
 
-# FIXME - when compiling edk2, we're seeing an error of fip.bin being larger than the region size.
-# Pin the version back until this can be resolved
-PREFERRED_VERSION_trusted-firmware-a ?= "2.12.%"
-
 EXTRA_IMAGEDEPENDS += "edk2-firmware"
-# FIXME - Currently seeing a kernel warning for the CPU topology when bumping
-# the version past this.  The issue is being tracked in
-# https://github.com/tianocore/edk2-platforms/issues/752
-PREFERRED_VERSION_edk2-firmware ?= "202408%"
 
 QB_SYSTEM_NAME = "qemu-system-aarch64"
 QB_MACHINE = "-machine sbsa-ref"
 QB_CPU = "-cpu neoverse-n2"
+QB_SMP = "-smp 4"
 QB_MEM = "-m 1024"
 QB_DEFAULT_FSTYPE = "wic.qcow2"
 QB_NETWORK_DEVICE = "-device e1000e,netdev=net0,mac=@MAC@"