diff --git a/extmod/libmetal/libmetal.mk b/extmod/libmetal/libmetal.mk
index 852b042898..7cda12a313 100644
--- a/extmod/libmetal/libmetal.mk
+++ b/extmod/libmetal/libmetal.mk
@@ -33,7 +33,6 @@ SRC_LIBMETAL_C := $(addprefix $(BUILD)/openamp/metal/,\
 	shmem.c \
 	softirq.c \
 	version.c \
-	device.c \
 	system/micropython/condition.c \
 	system/micropython/device.c \
 	system/micropython/io.c \