diff --git a/chap3.rkt b/chap3.rkt
deleted file mode 100644
index c1c42a9..0000000
--- a/chap3.rkt
+++ /dev/null
@@ -1,10 +0,0 @@
-(define (find-symbol id tree)
-  (call/cc
-   (lambda (exit) 
-     (define (find tree)
-       (if (pair? tree)
-           (or (find (car tree)) (find (cdr tree)))
-           (if (eq? tree id) (exit #t) #f)))
-     (find tree))))
-           
-       
diff --git a/chapter3/test.coffee b/chapter3/test.coffee
deleted file mode 100644
index c756022..0000000
--- a/chapter3/test.coffee
+++ /dev/null
@@ -1,6 +0,0 @@
-{cons} = require "cons-lists/lists"
-lisp = require '../chapter3/interpreter'
-{read, readForms} = require '../chapter1/reader'
-{inspect} = require 'util'
-
-lisp read('(begin ((lambda () (+ 5 5))))'), (x) -> console.log(x)
diff --git a/test-reports.xml b/test-reports.xml
deleted file mode 100644
index c3dbab9..0000000
--- a/test-reports.xml
+++ /dev/null
@@ -1,32 +0,0 @@
-<testsuites name="Mocha Tests">
-<testsuite name="Core interpreter #1" tests="13" failures="0" skipped="0" timestamp="Wed, 01 Jul 2015 20:24:26 GMT" time="0.015">
-<testcase classname="Core interpreter #1" name="Should handle true statements" time="0.003"/>
-<testcase classname="Core interpreter #1" name="Should handle false statements" time="0.001"/>
-<testcase classname="Core interpreter #1" name="Should handle return strings" time="0"/>
-<testcase classname="Core interpreter #1" name="Should handle return strings when false" time="0.001"/>
-<testcase classname="Core interpreter #1" name="Should handle equivalent objects that are not intrinsically truthy" time="0"/>
-<testcase classname="Core interpreter #1" name="Should handle inequivalent objects that are not intrinsically truthy" time="0"/>
-<testcase classname="Core interpreter #1" name="Should handle basic arithmetic" time="0.001"/>
-<testcase classname="Core interpreter #1" name="Should handle some algebra" time="0.001"/>
-<testcase classname="Core interpreter #1" name="Should handle a basic setting" time="0"/>
-<testcase classname="Core interpreter #1" name="Should handle a zero arity thunk" time="0.001"/>
-<testcase classname="Core interpreter #1" name="Should handle a two arity thunk" time="0.001"/>
-<testcase classname="Core interpreter #1" name="Should handle a recursive function" time="0.001"/>
-<testcase classname="Core interpreter #1" name="Should handle an IIFE" time="0"/>
-</testsuite>
-<testsuite name="Core interpreter #3" tests="13" failures="0" skipped="0" timestamp="Wed, 01 Jul 2015 20:24:26 GMT" time="0.009">
-<testcase classname="Core interpreter #3" name="Should handle true statements" time="0.001"/>
-<testcase classname="Core interpreter #3" name="Should handle false statements" time="0"/>
-<testcase classname="Core interpreter #3" name="Should handle return strings" time="0"/>
-<testcase classname="Core interpreter #3" name="Should handle return strings when false" time="0"/>
-<testcase classname="Core interpreter #3" name="Should handle equivalent objects that are not intrinsically truthy" time="0"/>
-<testcase classname="Core interpreter #3" name="Should handle inequivalent objects that are not intrinsically truthy" time="0"/>
-<testcase classname="Core interpreter #3" name="Should handle basic arithmetic" time="0.001"/>
-<testcase classname="Core interpreter #3" name="Should handle some algebra" time="0"/>
-<testcase classname="Core interpreter #3" name="Should handle a basic setting" time="0"/>
-<testcase classname="Core interpreter #3" name="Should handle a zero arity thunk" time="0.001"/>
-<testcase classname="Core interpreter #3" name="Should handle a two arity thunk" time="0"/>
-<testcase classname="Core interpreter #3" name="Should handle a recursive function" time="0.001"/>
-<testcase classname="Core interpreter #3" name="Should handle an IIFE" time="0"/>
-</testsuite>
-</testsuites>