diff --git a/src/ikarus.boot b/src/ikarus.boot
index 78f9190..d9d3f08 100644
Binary files a/src/ikarus.boot and b/src/ikarus.boot differ
diff --git a/src/libtoplevel.ss b/src/libtoplevel.ss
index 0be6a45..4e6b968 100644
--- a/src/libtoplevel.ss
+++ b/src/libtoplevel.ss
@@ -10,10 +10,6 @@
 
   (define bar 'i-am-an-exported-primitive-named-foo)
 
-  (primitive-set! 'expand
-    (lambda (x)
-      (chi-top-library x)))
-
   (let-values ([(files script args)
                 (let f ([args (command-line-arguments)])
                   (cond