diff --git a/lib/extract_jwt.js b/lib/extract_jwt.js
index <HASH>..<HASH> 100644
--- a/lib/extract_jwt.js
+++ b/lib/extract_jwt.js
@@ -3,12 +3,15 @@
 var url = require('url'),
     auth_hdr = require('./auth_header');
 
-
+// Note: express http converts all headers
+// to lower case.
 var AUTH_HEADER = "authorization",
     DEFAULT_AUTH_SCHEME = "JWT";
 
+
 var extractors = {};
 
+
 extractors.fromHeader = function (header_name) {
     return function (request) {
         var token = null;
diff --git a/lib/strategy.js b/lib/strategy.js
index <HASH>..<HASH> 100644
--- a/lib/strategy.js
+++ b/lib/strategy.js
@@ -3,12 +3,7 @@ var passport = require('passport-strategy')
     , util = require('util')
     , url = require('url');
 
-// Note: express http converts all headers
-// to lower case.
-var AUTH_HEADER = "authorization"
-    , DEFAULT_AUTH_SCHEME = "JWT"
-    , DEFAULT_TOKEN_BODY_FIELD = 'auth_token'
-    , DEFAULT_TOKEN_QUERY_PARAM_NAME = 'auth_token'
+
 
 /**
  * Strategy constructor
Remove unused constants from strategy.js