diff --git a/Rakefile.rb b/Rakefile.rb
index a5a13062..03ee1541 100644
--- a/Rakefile.rb
+++ b/Rakefile.rb
@@ -12,7 +12,7 @@
     gem.authors = ['Kevin Olbrich, Ph.D.']
     gem.email = ['kevin.olbrich+ruby_units@gmail.com']
     gem.homepage = 'https://github.com/olbrich/ruby-units'
-    gem.files.exclude('.*', 'test/**/*', 'spec/**/*', 'Gemfile')
+    gem.files.exclude('.*', 'test/**/*', 'spec/**/*', 'Gemfile', 'Guardfile')
     gem.license = 'MIT'
   end
   Jeweler::GemcutterTasks.new
diff --git a/TODO b/TODO
deleted file mode 100644
index b8edfa86..00000000
--- a/TODO
+++ /dev/null
@@ -1,3 +0,0 @@
-2006-10-02  Currency handling remains to be implemented well
-2011-04-23  Refactor caching
-2011-11-23  Perform all internal calculations in rational numbers to avoid round off problems
\ No newline at end of file