diff --git a/example.c b/example.c
index e65d92d..64f9b84 100644
--- a/example.c
+++ b/example.c
@@ -8,20 +8,13 @@
 //**********************************************************************
 //**********************************************************************
 
-#include <at89c55.h>
+#include <at89c51ed2.h>
 #include <stdio.h>
 #include <stdint.h>
 
 #define TICK_RATE 100
 #define NPER (0x10000 - (20000000 / 12 / TICK_RATE))
 
-// Missing port definitions
-__sbit __at (0xC4) P4_4;
-__sbit __at (0xC3) P4_3;
-__sbit __at (0xC2) P4_2;
-__sbit __at (0xC1) P4_1;
-__sbit __at (0xC0) P4_0;
-
 // I/O definitions
 #define BUTTON_1 P3_2
 #define BUTTON_2 P3_3