diff --git a/src/duck.scm b/src/duck.scm
index c1438cc..87f9378 100644
--- a/src/duck.scm
+++ b/src/duck.scm
@@ -53,7 +53,7 @@
       (define var val))
 
      ((_ (define/doc var doc arg (make-parameter val)))
-      (define var val))
+      (define var (make-parameter val)))
 
      ((_ (define* var val))
       (define* var val))
diff --git a/src/util-bst.scm b/src/util-bst.scm
index f8a33ca..bb9c5a7 100644
--- a/src/util-bst.scm
+++ b/src/util-bst.scm
@@ -420,6 +420,3 @@
     ))
 
  )
-
-(import util-bst)
-(util-bst-tests!)