diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index 8d9eaaebded7..fc4e3db649e8 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -17,8 +17,6 @@ struct ipv4_devconf
 	DECLARE_BITMAP(state, __NET_IPV4_CONF_MAX - 1);
 };
 
-extern struct ipv4_devconf ipv4_devconf;
-
 struct in_device
 {
 	struct net_device	*dev;
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 21f71bf912d5..5ab5acc17e44 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -64,7 +64,7 @@
 #include <net/rtnetlink.h>
 #include <net/net_namespace.h>
 
-struct ipv4_devconf ipv4_devconf = {
+static struct ipv4_devconf ipv4_devconf = {
 	.data = {
 		[NET_IPV4_CONF_ACCEPT_REDIRECTS - 1] = 1,
 		[NET_IPV4_CONF_SEND_REDIRECTS - 1] = 1,