diff --git a/src/feature/relay/router.h b/src/feature/relay/router.h
index 782609d8ab..2e07df2e88 100644
--- a/src/feature/relay/router.h
+++ b/src/feature/relay/router.h
@@ -117,7 +117,6 @@ const char *routerinfo_err_to_string(int err);
 int routerinfo_err_is_transient(int err);
 
 void router_reset_warnings(void);
-void router_reset_reachability(void);
 void router_free_all(void);
 
 #ifdef ROUTER_PRIVATE
diff --git a/src/feature/relay/selftest.h b/src/feature/relay/selftest.h
index c7987cf4a8..f3dd698bb7 100644
--- a/src/feature/relay/selftest.h
+++ b/src/feature/relay/selftest.h
@@ -21,6 +21,8 @@ void router_do_reachability_checks(int test_or, int test_dir);
 void router_orport_found_reachable(void);
 void router_dirport_found_reachable(void);
 void router_perform_bandwidth_test(int num_circs, time_t now);
+void router_reset_reachability(void);
+
 #else /* !defined(HAVE_MODULE_RELAY) */
 
 #define check_whether_orport_reachable(opts) \
@@ -32,6 +34,8 @@ void router_perform_bandwidth_test(int num_circs, time_t now);
   STMT_NIL
 #define router_dirport_found_reachable() \
   STMT_NIL
+#define router_reset_reachability() \
+  STMT_NIL
 
 static inline void
 router_do_reachability_checks(int test_or, int test_dir)