diff --git a/src/soc/amd/stoneyridge/Makefile.inc b/src/soc/amd/stoneyridge/Makefile.inc
index 0fd318bfa6..e93a961602 100644
--- a/src/soc/amd/stoneyridge/Makefile.inc
+++ b/src/soc/amd/stoneyridge/Makefile.inc
@@ -90,9 +90,9 @@ ramstage-$(CONFIG_STONEYRIDGE_UART) += uart.c
 ramstage-y += usb.c
 ramstage-y += tsc_freq.c
 
-smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c
-smm-$(CONFIG_HAVE_SMI_HANDLER) += smi_util.c
-smm-$(CONFIG_HAVE_SMI_HANDLER) += tsc_freq.c
+smm-y += smihandler.c
+smm-y += smi_util.c
+smm-y += tsc_freq.c
 
 CPPFLAGS_common += -I$(src)/soc/amd/stoneyridge
 CPPFLAGS_common += -I$(src)/soc/amd/stoneyridge/include