diff --git a/src/xdpfw_kern.c b/src/xdpfw_kern.c
index 7e4f0e0..e50d960 100644
--- a/src/xdpfw_kern.c
+++ b/src/xdpfw_kern.c
@@ -33,22 +33,6 @@
 
 #endif
 
-#define likely(x) __builtin_expect(!!(x), 1)
-#define unlikely(x) __builtin_expect(!!(x), 0)
-#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
-#define htons(x) ((__be16)___constant_swab16((x)))
-#define ntohs(x) ((__be16)___constant_swab16((x)))
-#define htonl(x) ((__be32)___constant_swab32((x)))
-#define ntohl(x) ((__be32)___constant_swab32((x)))
-#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
-#define htons(x) (x)
-#define ntohs(X) (x)
-#define htonl(x) (x)
-#define ntohl(x) (x)
-#endif
-
-#define uint128_t __uint128_t
-
 struct bpf_map_def SEC("maps") filters_map = 
 {
     .type = BPF_MAP_TYPE_ARRAY,