diff --git a/test/fixtures/transformation/esnext-es6-rest-parameters/arrow-fn.js b/test/fixtures/transformation/esnext-es6-rest-parameters/arrow-fn.js
index 34c96f5ecb..eb9d8ea8c5 100644
--- a/test/fixtures/transformation/esnext-es6-rest-parameters/arrow-fn.js
+++ b/test/fixtures/transformation/esnext-es6-rest-parameters/arrow-fn.js
@@ -1,8 +1,5 @@
-/* jshint esnext: true */
-/* global expect */
-
 var join = (joinStr, ...items) => {
   return items.join(joinStr);
 };
 
-expect(join(' ', 'a', 'b', 'c')).to.equal('a b c');
+assert.deepEqual(join(' ', 'a', 'b', 'c'), 'a b c');
diff --git a/test/fixtures/transformation/esnext-es6-rest-parameters/declaration.js b/test/fixtures/transformation/esnext-es6-rest-parameters/declaration.js
index 1cc45ac46f..2d3ca5d283 100644
--- a/test/fixtures/transformation/esnext-es6-rest-parameters/declaration.js
+++ b/test/fixtures/transformation/esnext-es6-rest-parameters/declaration.js
@@ -1,8 +1,5 @@
-/* jshint esnext: true */
-/* global expect */
-
 function join(joinStr, ...items) {
   return items.join(joinStr);
 }
 
-expect(join(' ', 'a', 'b', 'c')).to.equal('a b c');
+assert.deepEqual(join(' ', 'a', 'b', 'c'), 'a b c');
diff --git a/test/fixtures/transformation/esnext-es6-rest-parameters/rest.js b/test/fixtures/transformation/esnext-es6-rest-parameters/rest.js
index 9d0e63e85d..769bf2d2a4 100644
--- a/test/fixtures/transformation/esnext-es6-rest-parameters/rest.js
+++ b/test/fixtures/transformation/esnext-es6-rest-parameters/rest.js
@@ -1,8 +1,5 @@
-/* jshint esnext: true */
-/* global expect */
-
 var join = function(joinStr, ...items) {
   return items.join(joinStr);
 };
 
-expect(join(' ', 'a', 'b', 'c')).to.equal('a b c');
+assert.deepEqual(join(' ', 'a', 'b', 'c'), 'a b c');