diff --git a/beautiful-racket-demo/basic-demo/basic-test.rkt b/beautiful-racket-demo/basic-demo/basic-test.rkt
deleted file mode 100644
index 05a825e..0000000
--- a/beautiful-racket-demo/basic-demo/basic-test.rkt
+++ /dev/null
@@ -1,7 +0,0 @@
-#lang basic-demo
-10 rem what?
-20 print "hello"
-30 rem goto 50
-45 print "shite"
-50 print "foobar"
-60 goto 45
diff --git a/beautiful-racket-demo/basic-demo/foo.rkt b/beautiful-racket-demo/basic-demo/foo.rkt
deleted file mode 100644
index c620e9c..0000000
--- a/beautiful-racket-demo/basic-demo/foo.rkt
+++ /dev/null
@@ -1,8 +0,0 @@
-#lang br
-(provide (rename-out [my-app #%app]))
-(define-macro (my-app ID . ARGS)
-  (report caller-stx)
-  (if (number? (syntax->datum #'ID))
-      (with-pattern ([NEW-ID (report* #'ID (prefix-id "@" #'ID))])
-        #'(NEW-ID . ARGS))
-      #'(ID . ARGS)))
diff --git a/beautiful-racket-demo/basic-demo/importer.rkt b/beautiful-racket-demo/basic-demo/importer.rkt
deleted file mode 100644
index 6395cd1..0000000
--- a/beautiful-racket-demo/basic-demo/importer.rkt
+++ /dev/null
@@ -1,2 +0,0 @@
-#lang br
-(require "basic-test.rkt")
\ No newline at end of file
diff --git a/beautiful-racket-demo/basic-demo/test-parser.rkt b/beautiful-racket-demo/basic-demo/test-parser.rkt
index df6a860..e6e19fe 100644
--- a/beautiful-racket-demo/basic-demo/test-parser.rkt
+++ b/beautiful-racket-demo/basic-demo/test-parser.rkt
@@ -8,4 +8,4 @@
 here
   )
 
-(parse-tree (apply-tokenizer tokenize str))
\ No newline at end of file
+(parse-tree (apply-tokenizer-maker make-tokenizer str))
\ No newline at end of file