diff --git a/collects/frtime/lang-ext.rkt b/collects/frtime/lang-ext.rkt
index 936588680d..ac953bea9d 100644
--- a/collects/frtime/lang-ext.rkt
+++ b/collects/frtime/lang-ext.rkt
@@ -1,6 +1,6 @@
 #lang racket/base
 (require frtime/core/frp
-         scheme/list
+         (only-in racket/list first second cons? empty empty? rest last-pair)
          (only-in mzlib/etc
                   rec identity)
          (for-syntax scheme/list