diff --git a/src/tests/add-ons/kernel/file_systems/fs_shell/fsproto.h b/src/tests/add-ons/kernel/file_systems/fs_shell/fsproto.h
index 56339b08d1..bf60da3c8d 100644
--- a/src/tests/add-ons/kernel/file_systems/fs_shell/fsproto.h
+++ b/src/tests/add-ons/kernel/file_systems/fs_shell/fsproto.h
@@ -236,7 +236,7 @@ extern _IMPEXP_KERNEL void	free_path(char *p);
 extern _IMPEXP_KERNEL status_t	notify_listener(int op, nspace_id nsid,
 									vnode_id vnida,	vnode_id vnidb,
 									vnode_id vnidc, const char *name);
-extern _IMPEXP_KERNEL void		notify_select_event(selectsync *sync, uint32 ref);
+// extern _IMPEXP_KERNEL void		notify_select_event(selectsync *sync, uint32 ref);
 extern _IMPEXP_KERNEL status_t	send_notification(port_id port, long token,
 									ulong what, long op, nspace_id nsida,
 									nspace_id nsidb, vnode_id vnida,
diff --git a/src/tests/add-ons/kernel/file_systems/fs_shell/kernel.c b/src/tests/add-ons/kernel/file_systems/fs_shell/kernel.c
index a6b7bea66f..337d059302 100644
--- a/src/tests/add-ons/kernel/file_systems/fs_shell/kernel.c
+++ b/src/tests/add-ons/kernel/file_systems/fs_shell/kernel.c
@@ -3392,9 +3392,16 @@ send_notification(port_id port, long token, ulong what, long op, nspace_id nsida
 #endif
 }
 
-
+#ifdef COMPILE_FOR_R5
 void
 notify_select_event(selectsync *sync, uint32 ref)
 {
 }
+#else
+status_t
+notify_select_event(selectsync *sync, uint32 ref, uint8 event)
+{
+	return B_UNSUPPORTED;
+}
+#endif