diff --git a/test/unit/price.js b/test/unit/price.js
index 18f043c..6432894 100644
--- a/test/unit/price.js
+++ b/test/unit/price.js
@@ -58,16 +58,6 @@ describe('#price', () => {
     })
   })
 
-  describe('#getBchaUsd', () => {
-    it('should get the USD price of BCHA', async () => {
-      sandbox.stub(bchjs.Price.axios, 'get').resolves({ data: { usd: 18.87 } })
-
-      const result = await bchjs.Price.getBchaUsd()
-      // console.log(result)
-
-      assert.isNumber(result)
-    })
-  })
   describe('#getBchUsd', () => {
     it('should get the USD price of BCH', async () => {
       sandbox.stub(bchjs.Price.axios, 'get').resolves({ data: { usd: 510.39 } })
diff --git a/test/unit/util.js b/test/unit/util.js
index a8ea6d8..ac7e291 100644
--- a/test/unit/util.js
+++ b/test/unit/util.js
@@ -1,40 +1,18 @@
-import assert from 'assert'
+/*
+  Unit tests for util.js library.
+*/
+
+// Global npm libraries
 import chai from 'chai'
-import axios from 'axios'
+
+// Local libraries
 import BCHJS from '../../src/bch-js.js'
-import sinon from 'sinon'
+// import sinon from 'sinon'
 const { assert: assert2 } = chai
+
 const bchjs = new BCHJS()
 
 describe('#Util', () => {
-  describe('#validateAddress', () => {
-    let sandbox
-    beforeEach(() => (sandbox = sinon.createSandbox()))
-    afterEach(() => sandbox.restore())
-
-    it('should validate address', done => {
-      const data = {
-        isvalid: true,
-        address: 'bitcoincash:qpz7qtkuyhrsz4qmnnrvf8gz9zd0u9v7eqsewyk4w5',
-        scriptPubKey: '76a91445e02edc25c701541b9cc6c49d02289afe159ec888ac',
-        ismine: false,
-        iswatchonly: false,
-        isscript: false
-      }
-
-      const resolved = new Promise(resolve => resolve({ data }))
-      sandbox.stub(axios, 'get').returns(resolved)
-
-      bchjs.Util.validateAddress(
-        'bitcoincash:qpz7qtkuyhrsz4qmnnrvf8gz9zd0u9v7eqsewyk4w5'
-      )
-        .then(result => {
-          assert.deepStrictEqual(data, result)
-        })
-        .then(done, done)
-    })
-  })
-
   describe('#floor8', () => {
     it('should floor a number to 8 decimals', () => {
       const num = 1.234567891111