diff --git a/config/Config-kernel.in b/config/Config-kernel.in
index 96aaed768..7092b86c4 100644
--- a/config/Config-kernel.in
+++ b/config/Config-kernel.in
@@ -616,7 +616,7 @@ if KERNEL_NAMESPACES
 
 	config KERNEL_NET_NS
 		bool "Network namespace"
-		default y
+		default n
 		help
 		  Allow user space to create what appear to be multiple instances
 		  of the network stack.