diff --git a/collects/profj/tool.ss b/collects/profj/tool.ss
index 224f4526ed..cd5ce670ee 100644
--- a/collects/profj/tool.ss
+++ b/collects/profj/tool.ss
@@ -430,7 +430,7 @@
       (define (java-lang-mixin level name number one-line dyn? manual-dirname)
         (when dyn? (dynamic? #t))
         (class* object% (drscheme:language:language<%>)
-          (define/public (front-end/finished-complete-program settings) (void))
+          #;(define/public (front-end/finished-complete-program settings) (void))
           (define/public (extra-repl-information settings port) (void))
           (define/public (get-reader-module) #f)
           (define/public (get-metadata a b) #f)