diff --git a/memo.scm b/memo.scm
index 7361c7e1..2314d0d8 100644
--- a/memo.scm
+++ b/memo.scm
@@ -1,6 +1,6 @@
 ;; Temporary test file, try with the ack function
 (import (scheme base) 
-        (srfi 69)
+        ;(srfi 69)
         (scheme write))
 
 ; (define (memoize function)