diff --git a/lib/cookies.js b/lib/cookies.js
index 6f67a36..d4fc0d0 100644
--- a/lib/cookies.js
+++ b/lib/cookies.js
@@ -17,67 +17,65 @@ function Cookies(request, response, keys) {
   }
 }
 
-Cookies.prototype = {
-  get: function(name, opts) {
-    var sigName = name + ".sig"
-      , header, match, value, remote, data, index
-      , signed = opts && opts.signed !== undefined ? opts.signed : !!this.keys
+Cookies.prototype.get = function(name, opts) {
+  var sigName = name + ".sig"
+    , header, match, value, remote, data, index
+    , signed = opts && opts.signed !== undefined ? opts.signed : !!this.keys
 
-    header = this.request.headers["cookie"]
-    if (!header) return
+  header = this.request.headers["cookie"]
+  if (!header) return
 
-    match = header.match(getPattern(name))
-    if (!match) return
+  match = header.match(getPattern(name))
+  if (!match) return
 
-    value = match[1]
-    if (!opts || !signed) return value
+  value = match[1]
+  if (!opts || !signed) return value
 
-    remote = this.get(sigName)
-    if (!remote) return
+  remote = this.get(sigName)
+  if (!remote) return
 
-    data = name + "=" + value
-    if (!this.keys) throw new Error('.keys required for signed cookies');
-    index = this.keys.index(data, remote)
-
-    if (index < 0) {
-      this.set(sigName, null, {path: "/", signed: false })
-    } else {
-      index && this.set(sigName, this.keys.sign(data), { signed: false })
-      return value
-    }
-  },
-
-  set: function(name, value, opts) {
-    var res = this.response
-      , req = this.request
-      , headers = res.getHeader("Set-Cookie") || []
-      , secure = req.protocol === 'https' || req.connection.encrypted
-      , cookie = new Cookie(name, value, opts)
-      , signed = opts && opts.signed !== undefined ? opts.signed : !!this.keys
-
-    if (typeof headers == "string") headers = [headers]
-
-    if (!secure && opts && opts.secure) {
-      throw new Error('Cannot send secure cookie over unencrypted connection')
-    }
-
-    cookie.secure = secure
-    if (opts && "secure" in opts) cookie.secure = opts.secure
-    if (opts && "secureProxy" in opts) cookie.secure = opts.secureProxy
-    headers = pushCookie(headers, cookie)
+  data = name + "=" + value
+  if (!this.keys) throw new Error('.keys required for signed cookies');
+  index = this.keys.index(data, remote)
+
+  if (index < 0) {
+    this.set(sigName, null, {path: "/", signed: false })
+  } else {
+    index && this.set(sigName, this.keys.sign(data), { signed: false })
+    return value
+  }
+};
 
-    if (opts && signed) {
-      if (!this.keys) throw new Error('.keys required for signed cookies');
-      cookie.value = this.keys.sign(cookie.toString())
-      cookie.name += ".sig"
-      headers = pushCookie(headers, cookie)
-    }
+Cookies.prototype.set = function(name, value, opts) {
+  var res = this.response
+    , req = this.request
+    , headers = res.getHeader("Set-Cookie") || []
+    , secure = req.protocol === 'https' || req.connection.encrypted
+    , cookie = new Cookie(name, value, opts)
+    , signed = opts && opts.signed !== undefined ? opts.signed : !!this.keys
 
-    var setHeader = res.set ? http.OutgoingMessage.prototype.setHeader : res.setHeader
-    setHeader.call(res, 'Set-Cookie', headers)
-    return this
+  if (typeof headers == "string") headers = [headers]
+
+  if (!secure && opts && opts.secure) {
+    throw new Error('Cannot send secure cookie over unencrypted connection')
   }
-}
+
+  cookie.secure = secure
+  if (opts && "secure" in opts) cookie.secure = opts.secure
+  if (opts && "secureProxy" in opts) cookie.secure = opts.secureProxy
+  headers = pushCookie(headers, cookie)
+
+  if (opts && signed) {
+    if (!this.keys) throw new Error('.keys required for signed cookies');
+    cookie.value = this.keys.sign(cookie.toString())
+    cookie.name += ".sig"
+    headers = pushCookie(headers, cookie)
+  }
+
+  var setHeader = res.set ? http.OutgoingMessage.prototype.setHeader : res.setHeader
+  setHeader.call(res, 'Set-Cookie', headers)
+  return this
+};
 
 function Cookie(name, value, attrs) {
   value || (this.expires = new Date(0))
@@ -88,32 +86,30 @@ function Cookie(name, value, attrs) {
   for (var name in attrs) this[name] = attrs[name]
 }
 
-Cookie.prototype = {
-  path: "/",
-  expires: undefined,
-  domain: undefined,
-  httpOnly: true,
-  secure: false,
-  overwrite: false,
+Cookie.prototype.path = "/";
+Cookie.prototype.expires = undefined;
+Cookie.prototype.domain = undefined;
+Cookie.prototype.httpOnly = true;
+Cookie.prototype.secure = false;
+Cookie.prototype.overwrite = false;
 
-  toString: function() {
-    return this.name + "=" + this.value
-  },
+Cookie.prototype.toString = function() {
+  return this.name + "=" + this.value
+};
 
-  toHeader: function() {
-    var header = this.toString()
+Cookie.prototype.toHeader = function() {
+  var header = this.toString()
 
-    if (this.maxAge) this.expires = new Date(Date.now() + this.maxAge);
+  if (this.maxAge) this.expires = new Date(Date.now() + this.maxAge);
 
-    if (this.path     ) header += "; path=" + this.path
-    if (this.expires  ) header += "; expires=" + this.expires.toUTCString()
-    if (this.domain   ) header += "; domain=" + this.domain
-    if (this.secure   ) header += "; secure"
-    if (this.httpOnly ) header += "; httponly"
+  if (this.path     ) header += "; path=" + this.path
+  if (this.expires  ) header += "; expires=" + this.expires.toUTCString()
+  if (this.domain   ) header += "; domain=" + this.domain
+  if (this.secure   ) header += "; secure"
+  if (this.httpOnly ) header += "; httponly"
 
-    return header
-  }
-}
+  return header
+};
 
 // back-compat so maxage mirrors maxAge
 Object.defineProperty(Cookie.prototype, 'maxage', {