diff --git a/arch/arm/firmware/Makefile b/arch/arm/firmware/Makefile
index a71f16536b6c..6e41336b0bc4 100644
--- a/arch/arm/firmware/Makefile
+++ b/arch/arm/firmware/Makefile
@@ -1 +1,4 @@
 obj-$(CONFIG_TRUSTED_FOUNDATIONS)	+= trusted_foundations.o
+
+# tf_generic_smc() fails to build with -fsanitize-coverage=trace-pc
+KCOV_INSTRUMENT                := n