diff --git a/configs/ntosd-dm320/defconfig b/configs/ntosd-dm320/defconfig
index 36a3b8f46bb..abbae5f5778 100644
--- a/configs/ntosd-dm320/defconfig
+++ b/configs/ntosd-dm320/defconfig
@@ -268,7 +268,7 @@ CONFIG_PREALLOC_TIMERS=8
 # CONFIG_NET_LLH_LEN - The link level header length
 # CONFIG_NET_EXTERNAL_BUFFER - Incoming packet buffer (uip_buf) is defined externally
 # CONFIG_NET_FWCACHE_SIZE - number of packets to remember when looking for duplicates
-CONFIG_NET=y
+CONFIG_NET=n
 CONFIG_NET_IPv6=n
 CONFIG_NSOCKET_DESCRIPTORS=0
 CONFIG_NET_MAX_CONNECTIONS=40
diff --git a/configs/pjrc-8051/defconfig b/configs/pjrc-8051/defconfig
index 513ce74e079..10024fd2b73 100644
--- a/configs/pjrc-8051/defconfig
+++ b/configs/pjrc-8051/defconfig
@@ -256,7 +256,7 @@ CONFIG_PREALLOC_TIMERS=0
 # CONFIG_NET_LLH_LEN - The link level header length
 # CONFIG_NET_EXTERNAL_BUFFER - Incoming packet buffer (uip_buf) is defined externally
 # CONFIG_NET_FWCACHE_SIZE - number of packets to remember when looking for duplicates
-CONFIG_NET=y
+CONFIG_NET=n
 CONFIG_NET_IPv6=n
 CONFIG_NSOCKET_DESCRIPTORS=0
 CONFIG_NET_MAX_CONNECTIONS=40