diff --git a/packages/ripple-binary-codec/src/binary.js b/packages/ripple-binary-codec/src/binary.js
index b0eec033..14a77669 100644
--- a/packages/ripple-binary-codec/src/binary.js
+++ b/packages/ripple-binary-codec/src/binary.js
@@ -12,7 +12,7 @@ const {sha512Half, transactionID} = require('./hashes');
 
 const makeParser = bytes => new BinaryParser(bytes);
 const readJSON = parser => parser.readType(types.STObject).toJSON();
-const binaryToJSON = (bytes) => readJSON(makeParser(bytes));
+const binaryToJSON = bytes => readJSON(makeParser(bytes));
 
 function serializeObject(object, opts = {}) {
   const {prefix, suffix, signingFieldsOnly = false} = opts;
diff --git a/packages/ripple-binary-codec/src/signing.js b/packages/ripple-binary-codec/src/signing.js
index c4285b51..90f72a38 100644
--- a/packages/ripple-binary-codec/src/signing.js
+++ b/packages/ripple-binary-codec/src/signing.js
@@ -15,7 +15,7 @@ const {
 const FULL_CANONICAL_SIGNATURE = 0x80000000;
 
 const toHex = v => bytesToHex(v);
-const getSigner = (o) => AccountID.from(o.Signer.Account);
+const getSigner = o => AccountID.from(o.Signer.Account);
 const signerComparator = (a, b) => getSigner(a).compareTo(getSigner(b));
 
 function setCanonicalSignatureFlag(tx_json) {
diff --git a/packages/ripple-binary-codec/src/utils/make-class.js b/packages/ripple-binary-codec/src/utils/make-class.js
index d7f50793..ae0947d4 100644
--- a/packages/ripple-binary-codec/src/utils/make-class.js
+++ b/packages/ripple-binary-codec/src/utils/make-class.js
@@ -38,8 +38,8 @@ module.exports = function makeClass(klass_, definition_) {
     klass = function() {};
   }
   const proto = klass.prototype;
-  function addFunc(original, wrapper) {
-    proto[original.name] = wrapper || original;
+  function addFunc(original, name, wrapper) {
+    proto[name] = wrapper || original;
   }
   (definition.getters || []).forEach(k => {
     const key = '_' + k;
@@ -47,24 +47,24 @@ module.exports = function makeClass(klass_, definition_) {
       return this[key];
     };
   });
-  forEach(definition.virtuals, f => {
-    addFunc(f, function() {
+  forEach(definition.virtuals, (f, n) => {
+    addFunc(f, n, function() {
       throw new Error('unimplemented');
     });
   });
   forEach(definition.methods, addFunc);
-  forEach(definition, f => {
+  forEach(definition, (f, n) => {
     if (_.isFunction(f) && f !== klass) {
-      addFunc(f);
+      addFunc(f, n);
     }
   });
   _.assign(klass, definition.statics);
   if (typeof klass.init === 'function') {
     klass.init();
   }
-  forEach(definition.cached, f => {
-    const key = '_' + f.name;
-    addFunc(f, function() {
+  forEach(definition.cached, (f, n) => {
+    const key = '_' + n;
+    addFunc(f, n, function() {
       let value = this[key];
       if (value === undefined) {
         value = this[key] = f.call(this);
diff --git a/packages/ripple-binary-codec/test/binary-serializer-test.js b/packages/ripple-binary-codec/test/binary-serializer-test.js
index 2ac824ca..f0fec91e 100644
--- a/packages/ripple-binary-codec/test/binary-serializer-test.js
+++ b/packages/ripple-binary-codec/test/binary-serializer-test.js
@@ -78,10 +78,10 @@ function UIntTest() {
 
 
 function parseLedger4320278() {
-  it(`can parse object`, (done) => {
+  it(`can parse object`, done => {
     this.timeout(30e3);
     const json = loadFixture('as-ledger-4320278.json');
-    json.forEach((e) => {
+    json.forEach(e => {
       assertRecycles(e.binary);
     });
     done();