diff --git a/drivers/slip/slip.c b/drivers/slip/slip.c
index 3f8cfec7cb1..baf82c09c1b 100644
--- a/drivers/slip/slip.c
+++ b/drivers/slip/slip.c
@@ -35,6 +35,7 @@
 #include <net/buf.h>
 #include <net/nbuf.h>
 #include <net/net_if.h>
+#include <net/ethernet.h>
 #include <net/arp.h>
 #include <net/net_core.h>
 #include <console/uart_pipe.h>
diff --git a/net/yaip/l2/ethernet.c b/net/yaip/l2/ethernet.c
index cc991b85de2..09798102a15 100644
--- a/net/yaip/l2/ethernet.c
+++ b/net/yaip/l2/ethernet.c
@@ -22,6 +22,7 @@
 #include <net/net_core.h>
 #include <net/net_l2.h>
 #include <net/net_if.h>
+#include <net/ethernet.h>
 #include <net/arp.h>
 
 #include "net_private.h"
@@ -226,7 +227,10 @@ static enum net_verdict ethernet_send(struct net_if *iface,
 		frag = frag->frags;
 	}
 
+#ifdef CONFIG_NET_ARP
 send:
+#endif /* CONFIG_NET_ARP */
+
 	net_if_queue_tx(iface, buf);
 
 	return NET_OK;