diff --git a/test/integration/addresses.js b/test/integration/addresses.js
index 4bd71c8..9ad7502 100644
--- a/test/integration/addresses.js
+++ b/test/integration/addresses.js
@@ -19,6 +19,7 @@ function rng () { return Buffer.from('zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz') }
 
 describe('bitcoinjs-lib (addresses)', function () {
   it('can generate a random address', function () {
+    // in production: const keyPair = bitcoin.ECPair.makeRandom({})
     const keyPair = bitcoin.ECPair.makeRandom({ rng: rng })
     const { address } = bitcoin.payments.p2pkh({ pubkey: keyPair.publicKey })
 
@@ -121,6 +122,7 @@ describe('bitcoinjs-lib (addresses)', function () {
   // other networks
   it('can generate a Testnet address', function () {
     const testnet = bitcoin.networks.testnet
+    // in production: const keyPair = bitcoin.ECPair.makeRandom({ network: testnet })
     const keyPair = bitcoin.ECPair.makeRandom({ network: testnet, rng: rng })
     const wif = keyPair.toWIF()
     const { address } = bitcoin.payments.p2pkh({ pubkey: keyPair.publicKey, network: testnet })
@@ -130,6 +132,7 @@ describe('bitcoinjs-lib (addresses)', function () {
   })
 
   it('can generate a Litecoin address', function () {
+    // in production: const keyPair = bitcoin.ECPair.makeRandom({ network: LITECOIN })
     const keyPair = bitcoin.ECPair.makeRandom({ network: LITECOIN, rng: rng })
     const wif = keyPair.toWIF()
     const { address } = bitcoin.payments.p2pkh({ pubkey: keyPair.publicKey, network: LITECOIN })