Removed assertion that always equaled true.
diff --git a/src/netif/etharp.c b/src/netif/etharp.c
index d459c4c..d2e9db3 100644
--- a/src/netif/etharp.c
+++ b/src/netif/etharp.c
@@ -321,7 +321,6 @@
   }
 
   /* { empty or recyclable entry found } */
-  LWIP_ASSERT("i >= 0", i >= 0);
   LWIP_ASSERT("i < ARP_TABLE_SIZE", i < ARP_TABLE_SIZE);
 
   /* recycle entry (no-op for an already empty entry) */