--- a/drivers/net/wireless/zd1211rw/zd_chip.h
+++ b/drivers/net/wireless/zd1211rw/zd_chip.h
@@ -60,6 +60,11 @@ enum {
 #define E2P_DATA(offset) ((zd_addr_t)(E2P_START + E2P_DATA_OFFSET + (offset)))
 #define FWRAW_DATA(offset) ((zd_addr_t)(FW_START + (offset)))
 
+#undef CR0
+#undef CR1
+#undef CR2
+#undef CR3
+
 /* 8-bit hardware registers */
 #define CR0   CTL_REG(0x0000)
 #define CR1   CTL_REG(0x0004)