diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index 62c70709d798..1ad0ec5afb50 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -782,7 +782,6 @@ void rxrpc_delete_call_timer(struct rxrpc_call *call);
  */
 extern const char *const rxrpc_call_states[];
 extern const char *const rxrpc_call_completions[];
-extern unsigned int rxrpc_max_call_lifetime;
 extern struct kmem_cache *rxrpc_call_jar;
 
 struct rxrpc_call *rxrpc_find_call_by_user_ID(struct rxrpc_sock *, unsigned long);