diff --git a/net/nfc/nfc.h b/net/nfc/nfc.h
index 2c2c401..6d28d75 100644
--- a/net/nfc/nfc.h
+++ b/net/nfc/nfc.h
@@ -60,11 +60,11 @@
 
 #else
 
-void nfc_llcp_mac_is_down(struct nfc_dev *dev)
+static inline void nfc_llcp_mac_is_down(struct nfc_dev *dev)
 {
 }
 
-void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
+static inline void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
 			u8 comm_mode, u8 rf_mode)
 {
 }