diff --git a/plat/qemu/qemu_sbsa/platform.mk b/plat/qemu/qemu_sbsa/platform.mk
index 3aa7cbe..9be56a3 100644
--- a/plat/qemu/qemu_sbsa/platform.mk
+++ b/plat/qemu/qemu_sbsa/platform.mk
@@ -47,9 +47,7 @@
 				${PLAT_QEMU_COMMON_PATH}/${ARCH}/plat_helpers.S	\
 				${PLAT_QEMU_COMMON_PATH}/qemu_bl1_setup.c
 
-BL1_SOURCES		+=	lib/cpus/aarch64/aem_generic.S			\
-				lib/cpus/aarch64/cortex_a53.S			\
-				lib/cpus/aarch64/cortex_a57.S
+BL1_SOURCES		+=	lib/cpus/aarch64/cortex_a57.S
 
 BL2_SOURCES		+=	drivers/io/io_semihosting.c			\
 				drivers/io/io_storage.c				\
@@ -75,9 +73,7 @@
 				plat/common/plat_gicv3.c			\
 				${PLAT_QEMU_COMMON_PATH}/qemu_gicv3.c
 
-BL31_SOURCES		+=	lib/cpus/aarch64/aem_generic.S			\
-				lib/cpus/aarch64/cortex_a53.S			\
-				lib/cpus/aarch64/cortex_a57.S			\
+BL31_SOURCES		+=	lib/cpus/aarch64/cortex_a57.S			\
 				lib/semihosting/semihosting.c			\
 				lib/semihosting/${ARCH}/semihosting_call.S	\
 				plat/common/plat_psci_common.c			\