diff --git a/.jshintrc b/.jshintrc
index cd3db75..bd42fa0 100644
--- a/.jshintrc
+++ b/.jshintrc
@@ -1,10 +1,9 @@
 {
     "bitwise": true,
-    "browser": true,
     "camelcase": true,
     "curly": true,
     "eqeqeq": true,
-    "esnext": true,
+    "esversion": 9,
     "immed": true,
     "latedef": true,
     "newcap": true,
@@ -16,4 +15,4 @@
     "expr": true,
     "undef": true,
     "unused": true
-}
\ No newline at end of file
+}
diff --git a/lib/bucket.js b/lib/bucket.js
index 01449a3..f886ac1 100644
--- a/lib/bucket.js
+++ b/lib/bucket.js
@@ -548,9 +548,10 @@ GridFSBucket.prototype._removeFile = function _removeFile(request, file, done) {
  */
 function createBucket(optns = {}) {
   // ensure options
-  let { connection, ...options } = optns;
-  options = _.merge({}, DEFAULT_BUCKET_OPTIONS, optns);
+  let { connection } = optns;
   connection = (connection || mongoose.connection);
+  const options =
+    _.merge({}, DEFAULT_BUCKET_OPTIONS, _.omit(optns, 'connection'));
 
   // check if connection is connected.
   if (!isConnected(connection)) {
@@ -593,7 +594,7 @@ function createBucket(optns = {}) {
  */
 function createModel(optns = {}) {
   // ensure options
-  let { connection, modelName, bucketName, ...others } = optns;
+  let { connection, modelName, bucketName } = optns;
   connection = (connection || mongoose.connection);
   modelName = (_.isEmpty(modelName) ? DEFAULT_BUCKET_MODEL_NAME : modelName);
   bucketName = toCollectionName(modelName);
@@ -601,8 +602,9 @@ function createModel(optns = {}) {
     (modelName === DEFAULT_BUCKET_MODEL_NAME ? DEFAULT_BUCKET_NAME : bucketName);
 
   // create bucket
-  const _options = _.merge({}, { connection, modelName, bucketName }, others);
-  const bucket = createBucket(_options);
+  const options =
+    _.merge({}, { connection, modelName, bucketName }, optns);
+  const bucket = createBucket(options);
 
   // construct model
   const schema = createSchema(bucket);