diff --git a/sys/conf/files b/sys/conf/files
index f80f76e9e583..c742db3478ac 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -858,6 +858,10 @@ dev/ath/ath_hal/ar5416/ar5416_beacon.c \
 	optional ath_hal | ath_ar5416 | ath_ar9160 | ath_ar9280 | ath_ar9285 | \
 	ath_ar9287 \
 	compile-with "${NORMAL_C} -I$S/dev/ath -I$S/dev/ath/ath_hal"
+dev/ath/ath_hal/ar5416/ar5416_btcoex.c \
+	optional ath_hal | ath_ar5416 | ath_ar9160 | ath_ar9280 | ath_ar9285 | \
+	ath_ar9287 \
+	compile-with "${NORMAL_C} -I$S/dev/ath -I$S/dev/ath/ath_hal"
 dev/ath/ath_hal/ar5416/ar5416_cal.c \
 	optional ath_hal | ath_ar5416 | ath_ar9160 | ath_ar9280 | ath_ar9285 | \
 	ath_ar9287 \
@@ -941,6 +945,8 @@ dev/ath/ath_hal/ar9002/ar9280_olc.c optional ath_hal | ath_ar9280 | \
 # ar9285 (depends on ar5416 and ar9280)
 dev/ath/ath_hal/ar9002/ar9285_attach.c optional ath_hal | ath_ar9285 \
 	compile-with "${NORMAL_C} -I$S/dev/ath -I$S/dev/ath/ath_hal"
+dev/ath/ath_hal/ar9002/ar9285_btcoex.c optional ath_hal | ath_ar9285 \
+	compile-with "${NORMAL_C} -I$S/dev/ath -I$S/dev/ath/ath_hal"
 dev/ath/ath_hal/ar9002/ar9285_reset.c optional ath_hal | ath_ar9285 \
 	compile-with "${NORMAL_C} -I$S/dev/ath -I$S/dev/ath/ath_hal"
 dev/ath/ath_hal/ar9002/ar9285_cal.c optional ath_hal | ath_ar9285 \