diff --git a/lib/adapters/xhr.js b/lib/adapters/xhr.js
index e967a85..479bdbc 100644
--- a/lib/adapters/xhr.js
+++ b/lib/adapters/xhr.js
@@ -155,11 +155,6 @@ module.exports = function xhrAdapter(resolve, reject, config) {
     }
   }
 
-  // Format request data
-  if (utils.isArrayBuffer(requestData)) {
-    requestData = new DataView(requestData);
-  }
-
   if (requestData === undefined) {
     requestData = null;
   }
diff --git a/test/specs/requests.spec.js b/test/specs/requests.spec.js
index 03f50de..053de1e 100644
--- a/test/specs/requests.spec.js
+++ b/test/specs/requests.spec.js
@@ -210,7 +210,7 @@ describe('requests', function () {
     axios.post('/foo', input.buffer);
 
     getAjaxRequest().then(function (request) {
-      var output = new Int8Array(request.params.buffer);
+      var output = new Int8Array(request.params);
       expect(output.length).toEqual(2);
       expect(output[0]).toEqual(1);
       expect(output[1]).toEqual(2);
@@ -232,7 +232,7 @@ describe('requests', function () {
     axios.post('/foo', input);
 
     getAjaxRequest().then(function (request) {
-      var output = new Int8Array(request.params.buffer);
+      var output = new Int8Array(request.params);
       expect(output.length).toEqual(2);
       expect(output[0]).toEqual(1);
       expect(output[1]).toEqual(2);