diff --git a/lib/_tls_legacy.js b/lib/_tls_legacy.js
index f974b0cfc05575..e765b2507e7502 100644
--- a/lib/_tls_legacy.js
+++ b/lib/_tls_legacy.js
@@ -1,6 +1,6 @@
 'use strict';
 
-require('internal/util').assertCrypto(exports);
+require('internal/util').assertCrypto();
 
 const assert = require('assert');
 const EventEmitter = require('events');
diff --git a/lib/_tls_wrap.js b/lib/_tls_wrap.js
index 2a135b14a06f95..a4e3d6bd08b95e 100644
--- a/lib/_tls_wrap.js
+++ b/lib/_tls_wrap.js
@@ -1,6 +1,6 @@
 'use strict';
 
-require('internal/util').assertCrypto(exports);
+require('internal/util').assertCrypto();
 
 const assert = require('assert');
 const crypto = require('crypto');
diff --git a/lib/crypto.js b/lib/crypto.js
index b16334461a1e51..72602ff1a43555 100644
--- a/lib/crypto.js
+++ b/lib/crypto.js
@@ -4,7 +4,7 @@
 'use strict';
 
 const internalUtil = require('internal/util');
-internalUtil.assertCrypto(exports);
+internalUtil.assertCrypto();
 
 exports.DEFAULT_ENCODING = 'buffer';
 
diff --git a/lib/https.js b/lib/https.js
index b8969b68452451..4ecd2e8db63412 100644
--- a/lib/https.js
+++ b/lib/https.js
@@ -1,6 +1,6 @@
 'use strict';
 
-require('internal/util').assertCrypto(exports);
+require('internal/util').assertCrypto();
 
 const tls = require('tls');
 const url = require('url');
diff --git a/lib/internal/util.js b/lib/internal/util.js
index 535bea967e6d3b..58aa011c08c6b9 100644
--- a/lib/internal/util.js
+++ b/lib/internal/util.js
@@ -101,7 +101,7 @@ exports.objectToString = function objectToString(o) {
 };
 
 const noCrypto = !process.versions.openssl;
-exports.assertCrypto = function(exports) {
+exports.assertCrypto = function() {
   if (noCrypto)
     throw new Error('Node.js is not compiled with openssl crypto support');
 };
diff --git a/lib/tls.js b/lib/tls.js
index 56da56029fc94b..bb4719d9b02c93 100644
--- a/lib/tls.js
+++ b/lib/tls.js
@@ -1,7 +1,7 @@
 'use strict';
 
 const internalUtil = require('internal/util');
-internalUtil.assertCrypto(exports);
+internalUtil.assertCrypto();
 
 const net = require('net');
 const url = require('url');