diff --git a/customize.dist/BottomBar.html b/customize.dist/BottomBar.html
deleted file mode 100644
index c8d43dfce..000000000
--- a/customize.dist/BottomBar.html
+++ /dev/null
@@ -1,16 +0,0 @@
-<!-- This is an HTML fragment which is included into the bottom toolbar -->
-<div>
-  <div class="bottom-bar">
-    <div class="bottom-bar-left">
-      <span class="bottom-bar-language">
-        <select id="language-selector"></select>
-      </span>
-      <p data-localization="bottom_france">
-      </p>
-   </div>
-    <div class="bottom-bar-right">
-      <p data-localization="bottom_support">
-      </p>
-    </div>
-  </div>
-</div>
diff --git a/customize.dist/bg.jpg b/customize.dist/bg.jpg
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diff --git a/customize.dist/bg2.jpg b/customize.dist/bg2.jpg
deleted file mode 100644
index a7598eee1..000000000
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diff --git a/customize.dist/fr.png b/customize.dist/fr.png
deleted file mode 100644
index 8332c4ec2..000000000
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diff --git a/customize.dist/heart.png b/customize.dist/heart.png
deleted file mode 100644
index d9ee53e59..000000000
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diff --git a/customize.dist/logo-xwiki.png b/customize.dist/logo-xwiki.png
deleted file mode 100644
index 375739d2b..000000000
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diff --git a/customize.dist/logo-xwiki2.png b/customize.dist/logo-xwiki2.png
deleted file mode 100644
index 047c89ea7..000000000
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diff --git a/customize.dist/openpaas.png b/customize.dist/openpaas.png
deleted file mode 100644
index aa91bfe98..000000000
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diff --git a/customize.dist/openpaasng.png b/customize.dist/openpaasng.png
deleted file mode 100644
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diff --git a/rpc.js b/rpc.js
index f108b1ab8..8be2f1df8 100644
--- a/rpc.js
+++ b/rpc.js
@@ -785,6 +785,24 @@ var upload_status = function (Env, publicKey, filesize, cb) {
     });
 };
 
+var isAuthenticatedCall = function (call) {
+    return [
+        //'COOKIE',
+        'RESET',
+        'PIN',
+        'UNPIN',
+        'GET_HASH',
+        'GET_TOTAL_SIZE',
+        'GET_FILE_SIZE',
+        'UPDATE_LIMITS',
+        'GET_LIMIT',
+        'GET_MULTIPLE_FILE_SIZE',
+        'UPLOAD',
+        'UPLOAD_COMPLETE',
+        'UPLOAD_CANCEL',
+    ].indexOf(call) !== -1;
+};
+
 /*::const ConfigType = require('./config.example.js');*/
 RPC.create = function (config /*:typeof(ConfigType)*/, cb /*:(?Error, ?Function)=>void*/) {
     // load pin-store...
@@ -840,7 +858,6 @@ RPC.create = function (config /*:typeof(ConfigType)*/, cb /*:(?Error, ?Function)
         beginSession(Sessions, publicKey);
 
         var cookie = msg[0];
-
         if (!isValidCookie(Sessions, publicKey, cookie)) {
             // no cookie is fine if the RPC is to get a cookie
             if (msg[1] !== 'COOKIE') {
@@ -854,8 +871,10 @@ RPC.create = function (config /*:typeof(ConfigType)*/, cb /*:(?Error, ?Function)
             return void respond('INVALID_MESSAGE_OR_PUBLIC_KEY');
         }
 
-        if (checkSignature(serialized, signature, publicKey) !== true) {
-            return void respond("INVALID_SIGNATURE_OR_PUBLIC_KEY");
+        if (isAuthenticatedCall(msg[1])) {
+            if (checkSignature(serialized, signature, publicKey) !== true) {
+                return void respond("INVALID_SIGNATURE_OR_PUBLIC_KEY");
+            }
         }
 
         var safeKey = escapeKeyCharacters(publicKey);