diff --git a/repos/os/src/server/nic_router/arp_cache.h b/repos/os/src/server/nic_router/arp_cache.h
index 3982fc88e1..8844f576bf 100644
--- a/repos/os/src/server/nic_router/arp_cache.h
+++ b/repos/os/src/server/nic_router/arp_cache.h
@@ -79,7 +79,6 @@ class Net::Arp_cache : public Genode::Avl_tree<Arp_cache_entry>
 
 		Domain const         &_domain;
 		Arp_cache_entry_slot  _entries[NR_OF_ENTRIES];
-		bool                  _init = true;
 		unsigned              _curr = 0;
 
 	public: