diff --git a/lib/bindings/http/receiver_binary_0_2.js b/lib/bindings/http/receiver_binary_0_2.js
index 3c607e8..b5ab212 100644
--- a/lib/bindings/http/receiver_binary_0_2.js
+++ b/lib/bindings/http/receiver_binary_0_2.js
@@ -1,4 +1,5 @@
 const Constants  = require("./constants.js");
+const Commons    = require("./commons.js");
 const Cloudevent = require("../../cloudevent.js");
 const Spec02     = require("../../specs/spec_0_2.js");
 
@@ -51,16 +52,6 @@ function validate_args(payload, attributes) {
   }
 }
 
-function sanity(headers) {
-  var sanity_headers = JSON.parse(JSON.stringify(headers));
-
-  for(header in sanity_headers){
-    sanity_headers[header.toLowerCase()] = sanity_headers[header];
-  }
-
-  return sanity_headers;
-}
-
 function Receiver(configuration) {
 
 }
@@ -70,7 +61,7 @@ Receiver.prototype.check = function(payload, headers) {
   validate_args(payload, headers);
 
   // Clone and low case all headers names
-  var sanity_headers = sanity(headers);
+  var sanity_headers = Commons.sanity_and_clone(headers);
 
   // Validation Level 1
   if(!allowed_content_types
@@ -98,7 +89,7 @@ Receiver.prototype.parse = function(payload, headers) {
   this.check(payload, headers);
 
   // Clone and low case all headers names
-  var sanity_headers = sanity(headers);
+  var sanity_headers = Commons.sanity_and_clone(headers);
 
   var cloudevent = new Cloudevent(Spec02);
   for(header in setter_reflections) {