diff --git a/lib/simple_bridge.rb b/lib/simple_bridge.rb
deleted file mode 100644
index ced9a16..0000000
--- a/lib/simple_bridge.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-require_relative "simple_bridge/version"
-require_relative "simple_bridge/bridge"
-
-module SimpleBridge
-end
diff --git a/lib/simple_bridge/bridge.rb b/lib/simple_bridge/bridge.rb
deleted file mode 100644
index f464b7a..0000000
--- a/lib/simple_bridge/bridge.rb
+++ /dev/null
@@ -1,67 +0,0 @@
-require "socket"
-
-class SimpleBridge::Bridge
-  SOL_PACKET            = 0x0107 # bits/socket.h
-  IFINDEX_SIZE          = 0x0004 # sizeof(ifreq.ifr_ifindex) on 64bit
-  IFREQ_SIZE            = 0x0028 # sizeof(ifreq) on 64bit
-  SIOCGIFINDEX          = 0x8933 # bits/ioctls.h
-  PACKET_MR_PROMISC     = 0x0001 # netpacket/packet.h
-  PACKET_MREQ_SIZE      = 0x0010 # sizeof(packet_mreq) on 64bit
-  PACKET_ADD_MEMBERSHIP = 0x0001 # netpacket/packet.h
-  ETH_P_ALL = [ 0x0003 ].pack('S>').unpack('S').first # linux/if_ether.h, needs to be native-endian uint16_t
-
-  # constructor
-  #
-  # @param interface1 [String]
-  # @param interface2 [String]
-  def initialize(interface1, interface2)
-    @interface1 = interface1
-    @interface2 = interface2
-  end
-
-  # Run as a bridge until Ctrl + C.
-  def run
-    sock1 = Socket.new(Socket::AF_PACKET, Socket::SOCK_RAW, ETH_P_ALL)
-    sock2 = Socket.new(Socket::AF_PACKET, Socket::SOCK_RAW, ETH_P_ALL)
-
-    bind_if(sock1, @interface1)
-    bind_if(sock2, @interface2)
-
-    promiscuous(sock1, @interface1)
-    promiscuous(sock2, @interface2)
-
-    sock1_object_id = sock1.object_id
-    sock2_object_id = sock2.object_id
-    while true
-      ret = IO::select([sock1, sock2])
-      ret[0].each do |sock|
-        payload = sock.recv(65535)
-        sock_send = sock.object_id === sock1_object_id ? sock2 : sock1
-        sock_send.send(payload, 0)
-      end
-    end
-  end
-
-  private
-
-  def bind_if(socket, interface)
-    ifreq = [ interface, '' ].pack('a16a16')
-
-    socket.ioctl(SIOCGIFINDEX, ifreq)
-    index_str = ifreq[16, 4]
-
-    eth_p_all_hbo = [ ETH_P_ALL ].pack('S').unpack('S>').first
-    sll = [ Socket::AF_PACKET, eth_p_all_hbo, index_str ].pack('SS>a16')
-    socket.bind(sll)
-  end
-
-  def promiscuous(socket, interface)
-    ifreq = [interface].pack('a' + IFREQ_SIZE.to_s)
-    socket.ioctl(SIOCGIFINDEX, ifreq)
-    if_num = ifreq[Socket::IFNAMSIZ, IFINDEX_SIZE]
-    mreq = if_num.dup
-    mreq << [PACKET_MR_PROMISC].pack('s')
-    mreq << ("\x00" * (PACKET_MREQ_SIZE - mreq.length))
-    socket.setsockopt(SOL_PACKET, PACKET_ADD_MEMBERSHIP, mreq)
-  end
-end
diff --git a/lib/simple_bridge/version.rb b/lib/simple_bridge/version.rb
deleted file mode 100644
index 574e7de..0000000
--- a/lib/simple_bridge/version.rb
+++ /dev/null
@@ -1,3 +0,0 @@
-module SimpleBridge
-  VERSION = "0.1.0"
-end
diff --git a/test.rb b/test.rb
deleted file mode 100644
index 144c5c6..0000000
--- a/test.rb
+++ /dev/null
@@ -1,4 +0,0 @@
-require_relative "lib/simple_bridge"
-
-br = SimpleBridge::Bridge.new("eth0", "eth1")
-br.run