diff --git a/ports/zephyr/prj_base.conf b/ports/zephyr/prj_base.conf
index c39779548f..49c8519925 100644
--- a/ports/zephyr/prj_base.conf
+++ b/ports/zephyr/prj_base.conf
@@ -26,7 +26,6 @@ CONFIG_NET_UDP=y
 CONFIG_NET_TCP=y
 CONFIG_NET_SOCKETS=y
 CONFIG_TEST_RANDOM_GENERATOR=y
-CONFIG_NET_NBUF_RX_COUNT=5
 
 CONFIG_NET_APP_SETTINGS=y
 CONFIG_NET_APP_INIT_TIMEOUT=3