diff --git a/arch/parisc/include/asm/serial.h b/arch/parisc/include/asm/serial.h
index d7e3cc60dbc36..77e9b67c87ee1 100644
--- a/arch/parisc/include/asm/serial.h
+++ b/arch/parisc/include/asm/serial.h
@@ -6,5 +6,3 @@
  * This is used for 16550-compatible UARTs
  */
 #define BASE_BAUD ( 1843200 / 16 )
-
-#define SERIAL_PORT_DFNS