diff --git a/drivers/net/slip.c b/drivers/net/slip.c
index e93c935232..96e5a2dcdf 100644
--- a/drivers/net/slip.c
+++ b/drivers/net/slip.c
@@ -99,8 +99,6 @@
 
 #if CONFIG_NET_SLIP_PKTSIZE < 296
 #  error "CONFIG_NET_SLIP_PKTSIZE >= 296 is required"
-#elif CONFIG_NET_SLIP_PKTSIZE > 296
-#  warning "CONFIG_NET_SLIP_PKTSIZE == 296 is optimal"
 #endif
 
 /* CONFIG_NET_SLIP_NINTERFACES determines the number of physical interfaces
diff --git a/net/Kconfig b/net/Kconfig
index fa58e79f93..d2fa9cc042 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -61,7 +61,7 @@ config NET_ETH_PKTSIZE
 		size 1514.
 
 config NET_SLIP_PKTSIZE
-	int # "SLIP packet buffer size"
+	int "SLIP packet buffer size"
 	default 296
 	depends on NET_SLIP
 	range 296 1518