diff --git a/bin/decode_binary.js b/bin/decode_binary.js
deleted file mode 100755
index ad66b024..00000000
--- a/bin/decode_binary.js
+++ /dev/null
@@ -1,52 +0,0 @@
-#!/usr/bin/env node
-/* eslint-disable no-var */
-'use strict';
-var SerializedObject = require('..').SerializedObject;
-
-function main() {
-  var argv = process.argv.slice(2);
-  var blob = argv.shift();
-
-  if (blob === '-') {
-    read_input(ready);
-  } else {
-    ready(blob);
-  }
-}
-
-function read_input(callback) {
-  var tx_json = '';
-  process.stdin.on('data', function(data) {
-    tx_json += data;
-  });
-  process.stdin.on('end', callback);
-  process.stdin.resume();
-}
-
-function ready(blob) {
-  var valid_arguments = blob;
-
-  if (!valid_arguments) {
-    console.error('Invalid arguments\n');
-    print_usage();
-  } else {
-    decode(blob);
-  }
-}
-
-function print_usage() {
-  /* eslint-disable max-len */
-  console.log(
-    'Usage: decode_binary.js <hex_blob>\n\n',
-    'Example: decode_binary.js 120000240000000161D6871AFD498D00000000000000000000000000005553440000000000550FC62003E785DC231A1058A05E56E3F09CF4E668400000000000000A732102AE75B908F0A95F740A7BFA96057637E5C2170BC8DAD13B2F7B52AE75FAEBEFCF811450F97A072F1C4357F1AD84566A609479D927C9428314550FC62003E785DC231A1058A05E56E3F09CF4E6'
-  );
-  /* eslint-enable max-len */
-}
-
-function decode(blob) {
-  var buffer = new SerializedObject(blob);
-  console.log(buffer.to_json());
-}
-
-main();
-// vim:sw=2:sts=2:ts=8:et
diff --git a/bin/rsign.js b/bin/rsign.js
deleted file mode 100755
index 77f15b1c..00000000
--- a/bin/rsign.js
+++ /dev/null
@@ -1,97 +0,0 @@
-#!/usr/bin/env node
-/* eslint-disable no-var */
-'use strict';
-var Transaction = require('..').Transaction;
-
-function read_input(callback) {
-  var stdin = '';
-  process.stdin.on('data', function(data) {
-    stdin += data;
-  });
-  process.stdin.on('end', function() {
-    callback(stdin);
-  });
-  process.stdin.resume();
-}
-
-function print_usage() {
-  console.log(
-    'Usage: rsign.js <secret> <json>\n\n',
-    'Example: rsign.js ssq55ueDob4yV3kPVnNQLHB6icwpC', '\'' +
-    JSON.stringify({
-      TransactionType: 'Payment',
-      Account: 'r3P9vH81KBayazSTrQj6S25jW6kDb779Gi',
-      Destination: 'r3kmLJN5D28dHuH8vZNUZpMC43pEHpaocV',
-      Amount: '200000000',
-      Fee: '10',
-      Sequence: 1
-    }) + '\''
-  );
-}
-
-function sign_transaction(tx_json_object, secret, verbose) {
-  var tx = new Transaction();
-
-  tx.tx_json = tx_json_object;
-  tx._secret = secret;
-  tx.complete();
-
-  var unsigned_blob = tx.serialize().to_hex();
-  var unsigned_hash = tx.signingHash();
-  tx.sign();
-
-  if (verbose) {
-    var sim = { };
-    sim.tx_blob = tx.serialize().to_hex();
-    sim.tx_json = tx.tx_json;
-    sim.tx_signing_hash = unsigned_hash;
-    sim.tx_unsigned = unsigned_blob;
-    console.log(JSON.stringify(sim, null, 2));
-  } else {
-    console.log(tx.serialize().to_hex());
-  }
-}
-
-function ready(tx_json, secret, verbose) {
-  if (!(tx_json && secret)) {
-    console.error('Invalid arguments\n');
-    print_usage();
-    return;
-  }
-
-  var tx_json_object;
-  try {
-    tx_json_object = JSON.parse(tx_json);
-  } catch(exception) {
-    console.error('Invalid JSON\n');
-    print_usage();
-    return;
-  }
-  sign_transaction(tx_json_object, secret, verbose);
-}
-
-function main() {
-  var argv = process.argv.slice(2);
-  var verbose;
-  var secret;
-  var tx_json;
-
-  if (~argv.indexOf('-v')) {
-    argv.splice(argv.indexOf('-v'), 1);
-    verbose = true;
-  }
-
-  secret = argv.shift();
-  tx_json = argv.shift();
-
-  if (tx_json === '-') {
-    read_input(function(stdin) {
-      ready(stdin, secret, verbose);
-    });
-  } else {
-    ready(tx_json, secret, verbose);
-  }
-}
-
-main();
-// vim:sw=2:sts=2:ts=8:et
diff --git a/bin/validate_address.js b/bin/validate_address.js
deleted file mode 100755
index 74b41309..00000000
--- a/bin/validate_address.js
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/usr/bin/env node
-/* eslint-disable no-var */
-'use strict';
-var UInt160 = require('..').UInt160;
-
-function main() {
-  var address = process.argv[2];
-
-  if (address === '-') {
-    readInput(validateAddress);
-  } else {
-    validateAddress(address);
-  }
-}
-
-function readInput(callback) {
-  var result = '';
-  process.stdin.resume();
-  process.stdin.setEncoding('utf8');
-  process.stdin.on('data', function(data) {
-    result += data;
-  });
-  process.stdin.on('end', function() {
-    callback(result);
-  });
-}
-
-function validateAddress(address) {
-  process.stdout.write((UInt160.is_valid(address.trim()) ? '0' : '1') + '\r\n');
-}
-
-main();
diff --git a/circle.yml b/circle.yml
index a0cd477e..80f2f5ca 100644
--- a/circle.yml
+++ b/circle.yml
@@ -3,5 +3,5 @@ machine:
     version: 0.12.0
 test:
   override:
-    - bin/ci.sh "$CIRCLE_NODE_INDEX" "$CIRCLE_NODE_TOTAL":
+    - scripts/ci.sh "$CIRCLE_NODE_INDEX" "$CIRCLE_NODE_TOTAL":
         parallel: true
diff --git a/bin/ci.sh b/scripts/ci.sh
similarity index 100%
rename from bin/ci.sh
rename to scripts/ci.sh