diff --git a/pitfall/xenomorph/test/~stream-test.rkt b/pitfall/xenomorph/test/~stream-test.rkt
deleted file mode 100644
index 9ffaed5a..00000000
--- a/pitfall/xenomorph/test/~stream-test.rkt
+++ /dev/null
@@ -1,160 +0,0 @@
-#lang reader (submod "racket.rkt" reader)
-
-
-#|
-approximates
-https://github.com/mbutterick/restructure/blob/master/test/DecodeStream.coffee
-|#
-
-;describe 'DecodeStream', ->
-;  it 'should read a buffer', ->
-;    buf = new Buffer [1,2,3]
-;    stream = new DecodeStream buf
-;    stream.readBuffer(buf.length).should.deep.equal new Buffer [1,2,3]
-;
-;(let ()
-;  (define buf (+Buffer '(1 2 3)))
-;  (define stream (+DecodeStream buf))
-;  (check-equal? (send stream readBuffer (length buf)) (+Buffer '(1 2 3))))
-;
-;;
-;;  it 'should readUInt16BE', ->
-;;    buf = new Buffer [0xab, 0xcd]
-;;    stream = new DecodeStream buf
-;;    stream.readUInt16BE().should.deep.equal 0xabcd
-;
-;(let ()
-;  (define buf (+Buffer '(#xab #xcd)))
-;  (define stream (+DecodeStream buf))
-;  (check-equal? (send stream readUInt16BE) #xabcd))
-;
-;;
-;;  it 'should readUInt16LE', ->
-;;    buf = new Buffer [0xab, 0xcd]
-;;    stream = new DecodeStream buf
-;;    stream.readUInt16LE().should.deep.equal 0xcdab
-;
-;(let ()
-;  (define buf (+Buffer '(#xab #xcd)))
-;  (define stream (+DecodeStream buf))
-;  (check-equal? (send stream readUInt16LE) #xcdab))
-;
-;;
-;;  it 'should readUInt24BE', ->
-;;    buf = new Buffer [0xab, 0xcd, 0xef]
-;;    stream = new DecodeStream buf
-;;    stream.readUInt24BE().should.deep.equal 0xabcdef
-;
-;(let ()
-;  (define buf (+Buffer '(#xab #xcd #xef)))
-;  (define stream (+DecodeStream buf))
-;  (check-equal? (send stream readUInt24BE) #xabcdef))
-;
-;;
-;;  it 'should readUInt24LE', ->
-;;    buf = new Buffer [0xab, 0xcd, 0xef]
-;;    stream = new DecodeStream buf
-;;    stream.readUInt24LE().should.deep.equal 0xefcdab
-;
-;(let ()
-;  (define buf (+Buffer '(#xab #xcd #xef)))
-;  (define stream (+DecodeStream buf))
-;  (check-equal? (send stream readUInt24LE) #xefcdab))
-;
-;;
-;;  it 'should readInt24BE', ->
-;;    buf = new Buffer [0xff, 0xab, 0x24]
-;;    stream = new DecodeStream buf
-;;    stream.readInt24BE().should.deep.equal -21724
-;
-;(let ()
-;  (define buf (+Buffer '(#xff #xab #x24)))
-;  (define stream (+DecodeStream buf))
-;  (check-equal? (send stream readInt24BE) -21724))
-;
-;;
-;;  it 'should readInt24LE', ->
-;;    buf = new Buffer [0x24, 0xab, 0xff]
-;;    stream = new DecodeStream buf
-;;    stream.readInt24LE().should.deep.equal -21724
-;
-;(let ()
-;  (define buf (+Buffer '(#x24 #xab #xff)))
-;  (define stream (+DecodeStream buf))
-;  (check-equal? (send stream readInt24LE) -21724))
-;
-;;
-;;  describe 'readString', ->
-;;    it 'should decode ascii by default', ->
-;;      buf = new Buffer 'some text', 'ascii'
-;;      stream = new DecodeStream buf
-;;      stream.readString(buf.length).should.equal 'some text'
-;
-;(let ()
-;  (define buf (+Buffer "some text" 'ascii))
-;  (define stream (+DecodeStream buf))
-;  (check-equal? (send stream readString (length buf)) "some text"))
-;
-;;
-;;    it 'should decode ascii', ->
-;;      buf = new Buffer 'some text', 'ascii'
-;;      stream = new DecodeStream buf
-;;      stream.readString(buf.length, 'ascii').should.equal 'some text'
-;
-;(let ()
-;  (define buf (+Buffer "some text" 'ascii))
-;  (define stream (+DecodeStream buf))
-;  (check-equal? (send stream readString (length buf) 'ascii) "some text"))
-;
-;;
-;;    it 'should decode utf8', ->
-;;      buf = new Buffer 'unicode! 👍', 'utf8'
-;;      stream = new DecodeStream buf
-;;      stream.readString(buf.length, 'utf8').should.equal 'unicode! 👍'
-;
-;(let ()
-;  (define buf (+Buffer "unicode! 👍" 'utf8))
-;  (define stream (+DecodeStream buf))
-;  (check-equal? (send stream readString (length buf) 'utf8) "unicode! 👍"))
-;
-;#|
-;; todo: support freaky string encodings
-;
-;;    it 'should decode utf16le', ->
-;;      buf = new Buffer 'unicode! 👍', 'utf16le'
-;;      stream = new DecodeStream buf
-;;      stream.readString(buf.length, 'utf16le').should.equal 'unicode! 👍'
-;;
-;;    it 'should decode ucs2', ->
-;;      buf = new Buffer 'unicode! 👍', 'ucs2'
-;;      stream = new DecodeStream buf
-;;      stream.readString(buf.length, 'ucs2').should.equal 'unicode! 👍'
-;;
-;;    it 'should decode utf16be', ->
-;;      buf = new Buffer 'unicode! 👍', 'utf16le'
-;;      for i in [0...buf.length - 1] by 2
-;;        byte = buf[i]
-;;        buf[i] = buf[i + 1]
-;;        buf[i + 1] = byte
-;;
-;;      stream = new DecodeStream buf
-;;      stream.readString(buf.length, 'utf16be').should.equal 'unicode! 👍'
-;;
-;;    it 'should decode macroman', ->
-;;      buf = new Buffer [0x8a, 0x63, 0x63, 0x65, 0x6e, 0x74, 0x65, 0x64, 0x20, 0x63, 0x68, 0x87, 0x72, 0x61, 0x63, 0x74, 0x65, 0x72, 0x73]
-;;      stream = new DecodeStream buf
-;;      stream.readString(buf.length, 'mac').should.equal 'äccented cháracters'
-;|#
-;
-;
-;
-;
-;;    it 'should return a buffer for unsupported encodings', ->
-;;      stream = new DecodeStream new Buffer [1, 2, 3]
-;;      stream.readString(3, 'unsupported').should.deep.equal new Buffer [1, 2, 3]
-;
-;
-;(let ()
-;  (define buf (+Buffer '(1 2 3)))
-;  (define stream (+DecodeStream buf))
-;  (check-equal? (send stream readString 3 'unsupported) (+Buffer '(1 2 3))))
\ No newline at end of file