diff --git a/binary.js b/binary.js
index f2ec8009..4e966622 100644
--- a/binary.js
+++ b/binary.js
@@ -3,7 +3,6 @@
  */
 
 var isArray = require('isarray');
-var hasBin = require('has-binary-data');
 
 /**
  * Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.
@@ -127,7 +126,7 @@ exports.removeBlobs = function(data, callback) {
       for (var i = 0; i < obj.length; i++) {
         removeBlobsRecursive(obj[i], i, obj);
       }
-    } else if (obj && 'object' == typeof obj && !hasBin(obj)) { // and object
+    } else if (obj && 'object' == typeof obj && !isBuf(obj)) { // and object
       for (var key in obj) {
         removeBlobsRecursive(obj[key], key, obj);
       }
@@ -140,4 +139,14 @@ exports.removeBlobs = function(data, callback) {
   if (!pendingBlobs) {
     callback(bloblessData);
   }
-}
\ No newline at end of file
+}
+
+/**
+ * Returns true if obj is a buffer or an arraybuffer.
+ *
+ * @api private
+ */
+function isBuf(obj) {
+  return (global.Buffer && Buffer.isBuffer(obj)) ||
+         (global.ArrayBuffer && obj instanceof ArrayBuffer);
+}
diff --git a/package.json b/package.json
index 204750d8..be012eaf 100644
--- a/package.json
+++ b/package.json
@@ -10,8 +10,7 @@
     "debug": "0.7.4",
     "json3": "3.2.6",
     "emitter": "http://github.com/component/emitter/archive/1.0.1.tar.gz",
-    "isarray": "0.0.1",
-    "has-binary-data": "0.1.0"
+    "isarray": "0.0.1"
   },
   "devDependencies": {
     "mocha": "1.16.2",