diff --git a/drivers/net/ethernet/microchip/encx24j600-regmap.c b/drivers/net/ethernet/microchip/encx24j600-regmap.c
index 1f496fac7033..5bd7fb917b7a 100644
--- a/drivers/net/ethernet/microchip/encx24j600-regmap.c
+++ b/drivers/net/ethernet/microchip/encx24j600-regmap.c
@@ -17,11 +17,6 @@
 
 #include "encx24j600_hw.h"
 
-static inline bool is_bits_set(int value, int mask)
-{
-	return (value & mask) == mask;
-}
-
 static int encx24j600_switch_bank(struct encx24j600_context *ctx,
 				  int bank)
 {