diff --git a/net/eth.c b/net/eth.c
index 649e66bb1f..3f680cc033 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -432,8 +432,6 @@ _eth_get_rss_ex_src_addr(const struct iovec *pkt, int pkt_frags,
         }
 
         if (opthdr.type == IP6_OPT_HOME) {
-            size_t input_size = iov_size(pkt, pkt_frags);
-
             if (input_size < opt_offset + sizeof(opthdr)) {
                 return false;
             }