diff --git a/drivers/staging/vt6655/mac.c b/drivers/staging/vt6655/mac.c
index aa9684229dfe..a7f645f9ccf8 100644
--- a/drivers/staging/vt6655/mac.c
+++ b/drivers/staging/vt6655/mac.c
@@ -62,6 +62,14 @@ void vt6655_mac_reg_bits_off(void __iomem *iobase, const u8 reg_offset, const u8
 	iowrite8(reg_value & ~(bit_mask), iobase + reg_offset);
 }
 
+void vt6655_mac_word_reg_bits_off(void __iomem *iobase, const u8 reg_offset, const u16 bit_mask)
+{
+	unsigned short reg_value;
+
+	reg_value = ioread16(iobase + reg_offset);
+	iowrite16(reg_value & ~(bit_mask), iobase + reg_offset);
+}
+
 /*
  * Description:
  *      Test if all test bits off
diff --git a/drivers/staging/vt6655/mac.h b/drivers/staging/vt6655/mac.h
index e7b648cf2024..b307161818a0 100644
--- a/drivers/staging/vt6655/mac.h
+++ b/drivers/staging/vt6655/mac.h
@@ -537,13 +537,6 @@
 
 /*---------------------  Export Macros ------------------------------*/
 
-#define vt6655_mac_word_reg_bits_off(iobase, reg_offset, bit_mask)	\
-do {									\
-	unsigned short reg_value;					\
-	reg_value = ioread16(iobase + reg_offset);			\
-	iowrite16(reg_value & ~(bit_mask), iobase + reg_offset);	\
-} while (0)
-
 #define MACvReceive0(iobase)						\
 do {									\
 	unsigned long dwData;						\
@@ -648,6 +641,8 @@ do {									\
 void vt6655_mac_reg_bits_on(void __iomem *iobase, const u8 reg_offset, const u8 bit_mask);
 void vt6655_mac_word_reg_bits_on(void __iomem *iobase, const u8 reg_offset, const u16 bit_mask);
 void vt6655_mac_reg_bits_off(void __iomem *iobase, const u8 reg_offset, const u8 bit_mask);
+void vt6655_mac_word_reg_bits_off(void __iomem *iobase, const u8 reg_offset, const u16 bit_mask);
+
 bool MACbIsRegBitsOff(struct vnt_private *priv, unsigned char byRegOfs,
 		      unsigned char byTestBits);