diff --git a/sys/modules/i2c/iicbus/Makefile b/sys/modules/i2c/iicbus/Makefile
index 6f088e7ba538..025557163be6 100644
--- a/sys/modules/i2c/iicbus/Makefile
+++ b/sys/modules/i2c/iicbus/Makefile
@@ -13,6 +13,7 @@ SRCS=	\
 	iicbus_if.h \
 	iiconf.c \
 	iiconf.h \
+	opt_platform.h \
 
 .if !empty(OPT_FDT)
 SRCS+=	ofw_iicbus.c ofw_bus_if.h
diff --git a/sys/modules/i2c/isl/Makefile b/sys/modules/i2c/isl/Makefile
index 0cff6b25ba8c..f6ce3b313f31 100644
--- a/sys/modules/i2c/isl/Makefile
+++ b/sys/modules/i2c/isl/Makefile
@@ -2,6 +2,6 @@
 
 .PATH:		${SRCTOP}/sys/dev/isl
 KMOD		= isl
-SRCS		= isl.c device_if.h bus_if.h iicbus_if.h
+SRCS		= isl.c device_if.h bus_if.h iicbus_if.h opt_platform.h
 
 .include <bsd.kmod.mk>
diff --git a/sys/modules/spi/at45d/Makefile b/sys/modules/spi/at45d/Makefile
index 95790edcae9c..1fa3d2890137 100644
--- a/sys/modules/spi/at45d/Makefile
+++ b/sys/modules/spi/at45d/Makefile
@@ -9,6 +9,7 @@ SRCS=	at45d.c
 SRCS+=	\
 	bus_if.h \
 	device_if.h \
+	opt_platform.h \
 	spibus_if.h \
 
 .if !empty(OPT_FDT)
diff --git a/sys/modules/spi/mx25l/Makefile b/sys/modules/spi/mx25l/Makefile
index 1a80bea0c278..d75b93040871 100644
--- a/sys/modules/spi/mx25l/Makefile
+++ b/sys/modules/spi/mx25l/Makefile
@@ -9,6 +9,7 @@ SRCS=	mx25l.c
 SRCS+=	\
 	bus_if.h \
 	device_if.h \
+	opt_platform.h \
 	spibus_if.h \
 
 .if !empty(OPT_FDT)
diff --git a/sys/modules/spi/spibus/Makefile b/sys/modules/spi/spibus/Makefile
index 3eb3604ae3d9..7832c870ca68 100644
--- a/sys/modules/spi/spibus/Makefile
+++ b/sys/modules/spi/spibus/Makefile
@@ -13,6 +13,7 @@ SRCS+=	ofw_spibus.c ofw_bus_if.h
 SRCS+=	\
 	bus_if.h \
 	device_if.h \
+	opt_platform.h \
 	spibus_if.c \
 	spibus_if.h \