diff --git a/Gemfile b/Gemfile
index f1efa06..c80ee36 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,3 @@
 source "http://rubygems.org"
 
-gem 'rake'
 gemspec
diff --git a/em-proxy.gemspec b/em-proxy.gemspec
index c3287ec..03c545f 100644
--- a/em-proxy.gemspec
+++ b/em-proxy.gemspec
@@ -17,6 +17,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "rspec"
   s.add_development_dependency "em-http-request"
   s.add_development_dependency "ansi"
+  s.add_development_dependency "rake"
 
   s.files         = `git ls-files`.split("\n")
   s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
diff --git a/examples/http_bind_proxy.rb b/examples/http_bind_proxy.rb
deleted file mode 100644
index cb4d8c5..0000000
--- a/examples/http_bind_proxy.rb
+++ /dev/null
@@ -1,47 +0,0 @@
-require 'em-proxy'
-require 'http/parser' # gem install http_parser.rb
-require 'uuid'        # gem install uuid
-
-# > ruby http_bind_proxy.rb
-# > curl --proxy x.x.x.x:9889 www.google.com
-
-host = "0.0.0.0"
-port = 9889
-puts "listening on #{host}:#{port}..."
-
-Proxy.start(:host => host, :port => port) do |conn|
-
-  @p = Http::Parser.new
-  @p.on_headers_complete = proc do |h|
-    session = UUID.generate
-    puts "New session: #{session} (#{h.inspect})"
-
-    host, port = h['Host'].split(':')
-    conn.server session, :host => host, :port => (port || 80), :bind_host => conn.peer[0]
-    conn.relay_to_servers @buffer
-
-    @buffer.clear
-  end
-
-  @buffer = ''
-
-  conn.on_connect do |data,b|
-    puts [:on_connect, data, b].inspect
-  end
-
-  conn.on_data do |data|
-    @buffer << data
-    @p << data
-
-    data
-  end
-
-  conn.on_response do |backend, resp|
-    puts [:on_response, backend, resp].inspect
-    resp
-  end
-
-  conn.on_finish do |backend, name|
-    puts [:on_finish, name].inspect
-  end
-end
diff --git a/examples/http_proxy.rb b/examples/http_proxy.rb
index be28295..c11e7fd 100644
--- a/examples/http_proxy.rb
+++ b/examples/http_proxy.rb
@@ -4,6 +4,7 @@
 
 # > ruby http_proxy.rb
 # > curl --proxy localhost:9889 www.google.com
+# > curl --proxy x.x.x.x:9889 www.google.com - bind ip example
 
 host = "0.0.0.0"
 port = 9889
@@ -17,7 +18,8 @@
     puts "New session: #{session} (#{h.inspect})"
 
     host, port = h['Host'].split(':')
-    conn.server session, :host => host, :port => (port || 80)
+    conn.server session, :host => host, :port => (port || 80) #, :bind_host => conn.peer[0] - # for bind ip
+                         
     conn.relay_to_servers @buffer
 
     @buffer.clear