diff --git a/sys/conf/files b/sys/conf/files
index 0edeec48c37f..6f085e7fe7f6 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -1775,7 +1775,7 @@ dev/iicbus/ds13rtc.c		optional ds13rtc | ds133x | ds1374
 dev/iicbus/ds1672.c		optional ds1672
 dev/iicbus/ds3231.c		optional ds3231
 dev/iicbus/rtc8583.c		optional rtc8583
-dev/iicbus/syr827.c		optional ext_resources syr827
+dev/iicbus/syr827.c		optional syr827 ext_resources fdt
 dev/iicbus/icee.c		optional icee
 dev/iicbus/if_ic.c		optional ic
 dev/iicbus/iic.c		optional iic
@@ -1794,7 +1794,7 @@ dev/iicbus/nxprtc.c		optional nxprtc | pcf8563
 dev/iicbus/ofw_iicbus.c		optional fdt iicbus
 dev/iicbus/rtc8583.c		optional rtc8583
 dev/iicbus/s35390a.c		optional s35390a
-dev/iicbus/sy8106a.c		optional sy8106a
+dev/iicbus/sy8106a.c		optional sy8106a ext_resources fdt
 dev/iir/iir.c			optional iir
 dev/iir/iir_ctrl.c		optional iir
 dev/iir/iir_pci.c		optional iir pci