diff --git a/collects/lang/htdp-langs.rkt b/collects/lang/htdp-langs.rkt
index aeeadc00ed..a5ba78d5ae 100644
--- a/collects/lang/htdp-langs.rkt
+++ b/collects/lang/htdp-langs.rkt
@@ -19,7 +19,6 @@
          compiler/embed
          wxme/wxme
          setup/dirs
-         test-engine/racket-tests
          
          ;; this module is shared between the drscheme's namespace (so loaded here) 
          ;; and the user's namespace in the teaching languages
@@ -548,22 +547,6 @@
                                      (get-module)
                                      (htdp-lang-settings-teachpacks settings)
                                      (drscheme:rep:current-rep)))
-          
-          (define/override (front-end/interaction port settings)
-            (let ([t (super front-end/interaction port settings)]
-                  [done? #f])
-              (λ ()
-                (cond
-                  [done? eof]
-                  [else
-                   (let ([ans (t)])
-                     (cond
-                       [(eof-object? ans)
-                        (set! done? #t)
-                        #`(test)]
-                       [else
-                        ans]))]))))
-
 
           (define keywords #f)
           (define/augment (capability-value key)