diff --git a/test/integration/testnet/blockbook.js b/test/integration/testnet/blockbook.js
index 7054778..50a846f 100644
--- a/test/integration/testnet/blockbook.js
+++ b/test/integration/testnet/blockbook.js
@@ -6,8 +6,8 @@
 const chai = require("chai")
 const assert = chai.assert
 
-let RESTURL = `https://tapi.fullstack.cash/v3/`
-if (process.env.RESTURL) RESTURL = process.env.RESTURL
+const RESTURL = `https://tapi.fullstack.cash/v3/`
+// if (process.env.RESTURL) RESTURL = process.env.RESTURL
 
 const BCHJS = require("../../../src/bch-js")
 // const bchjs = new BCHJS({ restURL: `https://testnet.bchjs.cash/v3/` })
diff --git a/test/integration/testnet/blockchain.js b/test/integration/testnet/blockchain.js
index 0549b58..339c48d 100644
--- a/test/integration/testnet/blockchain.js
+++ b/test/integration/testnet/blockchain.js
@@ -10,8 +10,8 @@
 const chai = require("chai")
 const assert = chai.assert
 
-let RESTURL = `https://tapi.fullstack.cash/v3/`
-if (process.env.RESTURL) RESTURL = process.env.RESTURL
+const RESTURL = `https://tapi.fullstack.cash/v3/`
+// if (process.env.RESTURL) RESTURL = process.env.RESTURL
 
 const BCHJS = require("../../../src/bch-js")
 // const bchjs = new BCHJS({ restURL: `https://testnet.bchjs.cash/v3/` })
diff --git a/test/integration/testnet/rawtransaction.js b/test/integration/testnet/rawtransaction.js
index 946e64e..7250e59 100644
--- a/test/integration/testnet/rawtransaction.js
+++ b/test/integration/testnet/rawtransaction.js
@@ -8,8 +8,8 @@
 const chai = require("chai")
 const assert = chai.assert
 
-let RESTURL = `https://tapi.fullstack.cash/v3/`
-if (process.env.RESTURL) RESTURL = process.env.RESTURL
+const RESTURL = `https://tapi.fullstack.cash/v3/`
+// if (process.env.RESTURL) RESTURL = process.env.RESTURL
 
 const BCHJS = require("../../../src/bch-js")
 // const bchjs = new BCHJS({ restURL: `https://testnet.bchjs.cash/v3/` })
diff --git a/test/integration/testnet/slp.js b/test/integration/testnet/slp.js
index aef20ec..e9afd9a 100644
--- a/test/integration/testnet/slp.js
+++ b/test/integration/testnet/slp.js
@@ -5,8 +5,8 @@
 const chai = require("chai")
 const assert = chai.assert
 
-let RESTURL = `https://tapi.fullstack.cash/v3/`
-if (process.env.RESTURL) RESTURL = process.env.RESTURL
+const RESTURL = `https://tapi.fullstack.cash/v3/`
+// if (process.env.RESTURL) RESTURL = process.env.RESTURL
 
 const BCHJS = require("../../../src/bch-js")
 // const bchjs = new BCHJS({ restURL: `https://testnet.bchjs.cash/v3/` })
diff --git a/test/integration/testnet/util.js b/test/integration/testnet/util.js
index 8c3af4e..755f937 100644
--- a/test/integration/testnet/util.js
+++ b/test/integration/testnet/util.js
@@ -6,8 +6,8 @@
 const chai = require("chai")
 const assert = chai.assert
 
-let RESTURL = `https://tapi.fullstack.cash/v3/`
-if (process.env.RESTURL) RESTURL = process.env.RESTURL
+const RESTURL = `https://tapi.fullstack.cash/v3/`
+// if (process.env.RESTURL) RESTURL = process.env.RESTURL
 
 const BCHJS = require("../../../src/bch-js")
 // const bchjs = new BCHJS({ restURL: `https://testnet.bchjs.cash/v3/` })