diff --git a/src/utils.spec.js b/src/utils.spec.js
index be42065bc..3a36da71b 100644
--- a/src/utils.spec.js
+++ b/src/utils.spec.js
@@ -1,7 +1,6 @@
 /* eslint-env mocha */
 
 import expect from 'must'
-import sinon from 'sinon'
 
 // ===================================================================
 
@@ -13,7 +12,6 @@ import {
   formatXml,
   generateToken,
   parseSize,
-  pFinally,
   pSettle
 } from './utils'
 
@@ -144,36 +142,6 @@ describe('parseSize()', function () {
 
 // -------------------------------------------------------------------
 
-describe('pFinally()', () => {
-  it('calls a callback on resolution', async () => {
-    const value = {}
-    const spy = sinon.spy()
-
-    await expect(
-      Promise.resolve(value)::pFinally(spy)
-    ).to.resolve.to.equal(
-      value
-    )
-
-    expect(spy.callCount).to.equal(1)
-  })
-
-  it('calls a callback on rejection', async () => {
-    const reason = {}
-    const spy = sinon.spy()
-
-    await expect(
-      Promise.reject(reason)::pFinally(spy)
-    ).to.reject.to.equal(
-      reason
-    )
-
-    expect(spy.callCount).to.equal(1)
-  })
-})
-
-// -------------------------------------------------------------------
-
 describe('pSettle()', () => {
   it('works with arrays', async () => {
     const [