diff --git a/src/drivers/boards/px4fmu-v1/px4fmu_init.c b/src/drivers/boards/px4fmu-v1/px4fmu_init.c
index dea7678014..4e969692bc 100644
--- a/src/drivers/boards/px4fmu-v1/px4fmu_init.c
+++ b/src/drivers/boards/px4fmu-v1/px4fmu_init.c
@@ -145,20 +145,6 @@ static struct spi_dev_s *spi3;
 
 #include <math.h>
 
-#if 0
-#ifdef __cplusplus
-__EXPORT int matherr(struct __exception *e)
-{
-	return 1;
-}
-#else
-__EXPORT int matherr(struct exception *e)
-{
-	return 1;
-}
-#endif
-#endif
-
 __EXPORT int nsh_archinitialize(void)
 {
 	int result;