diff --git a/include/net/net.h b/include/net/net.h
index 588ee55..b1f9b35 100644
--- a/include/net/net.h
+++ b/include/net/net.h
@@ -301,10 +301,6 @@
     int nvectors;
 };
 
-extern int nb_nics;
-extern NICInfo nd_table[MAX_NICS];
-extern const char *host_net_devices[];
-
 /* from net.c */
 extern NetClientStateList net_clients;
 bool netdev_is_modern(const char *optstr);
diff --git a/net/net.c b/net/net.c
index d705e9b..a2f0c82 100644
--- a/net/net.c
+++ b/net/net.c
@@ -77,6 +77,9 @@
 
 static GHashTable *nic_model_help;
 
+static int nb_nics;
+static NICInfo nd_table[MAX_NICS];
+
 /***********************************************************/
 /* network device redirectors */
 
diff --git a/system/globals.c b/system/globals.c
index e83b542..b6d4e72 100644
--- a/system/globals.c
+++ b/system/globals.c
@@ -36,8 +36,6 @@
 const char* keyboard_layout;
 bool enable_mlock;
 bool enable_cpu_pm;
-int nb_nics;
-NICInfo nd_table[MAX_NICS];
 int autostart = 1;
 int vga_interface_type = VGA_NONE;
 bool vga_interface_created;