diff --git a/sys/modules/smapi/Makefile b/sys/modules/smapi/Makefile
index 0905dab53b61..3e2d77cacd98 100644
--- a/sys/modules/smapi/Makefile
+++ b/sys/modules/smapi/Makefile
@@ -3,7 +3,7 @@
 .PATH:  ${.CURDIR}/../../i386/bios
 
 KMOD=	smapi
-SRCS=	smapi_isa.c smapi.c smapi_bios.S \
-	bus_if.h device_if.h isa_if.h
+SRCS=	smapi.c smapi_bios.S \
+	bus_if.h device_if.h
 
 .include <bsd.kmod.mk>