diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile
index 2262f0392857..64e84b7ece3d 100644
--- a/arch/arm64/kernel/Makefile
+++ b/arch/arm64/kernel/Makefile
@@ -8,6 +8,7 @@ CFLAGS_armv8_deprecated.o := -I$(src)
 CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
 CFLAGS_REMOVE_insn.o = $(CC_FLAGS_FTRACE)
 CFLAGS_REMOVE_return_address.o = $(CC_FLAGS_FTRACE)
+CFLAGS_io.o := -D__DISABLE_TRACE_MMIO__
 
 # Object file lists.
 obj-y			:= debug-monitors.o entry.o irq.o fpsimd.o		\