diff --git a/cache.h b/cache.h
index 8b447652a7..7b09b09cb0 100644
--- a/cache.h
+++ b/cache.h
@@ -804,9 +804,7 @@ void reset_shared_repository(void);
  * Do replace refs need to be checked this run?  This variable is
  * initialized to true unless --no-replace-object is used or
  * $GIT_NO_REPLACE_OBJECTS is set, but is set to false by some
- * commands that do not want replace references to be active.  As an
- * optimization it is also set to false if replace references have
- * been sought but there were none.
+ * commands that do not want replace references to be active.
  */
 extern int check_replace_refs;
 extern char *git_replace_ref_base;