diff --git a/scheme/base.sld b/scheme/base.sld
index 987736e7..fb9b21b3 100644
--- a/scheme/base.sld
+++ b/scheme/base.sld
@@ -216,7 +216,6 @@
         (cons
           (string->symbol *version-number*)
           '(r7rs 
-            ;exact-closed 
             ieee-float
             posix))))