diff --git a/goodbyedpi.c b/goodbyedpi.c
index 95e17fd..40b12f4 100644
--- a/goodbyedpi.c
+++ b/goodbyedpi.c
@@ -22,7 +22,6 @@
 #define MAX_PACKET_SIZE 9016
 #define IPV4_HDR_LEN 20
 #define TCP_HDR_LEN 20
-#define IPV4_TOTALLEN_OFFSET 2
 #define TCP_WINDOWSIZE_OFFSET 14
 
 #define DIVERT_NO_LOCALNETS_DST "(" \