diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/reg.h b/drivers/net/wireless/rtlwifi/rtl8192ce/reg.h
index 43806d9d1e13..e4d738f6166d 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/reg.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/reg.h
@@ -1190,7 +1190,6 @@
 
 #define USB_AGG_EN				BIT(3)
 
-#define MAC_ADDR_LEN				6
 #define LAST_ENTRY_OF_TX_PKT_BUFFER		255
 
 #define POLLING_LLT_THRESHOLD			20
diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/reg.h b/drivers/net/wireless/rtlwifi/rtl8192de/reg.h
index 9bc462331078..ebb1d5f5e7b5 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/reg.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/reg.h
@@ -998,7 +998,6 @@
 #define SCR_RXBCUSEDK				BIT(7)
 
 /* General definitions */
-#define MAC_ADDR_LEN				6
 #define LAST_ENTRY_OF_TX_PKT_BUFFER		255
 #define LAST_ENTRY_OF_TX_PKT_BUFFER_DUAL_MAC	127