diff --git a/www/common/common-hash.js b/www/common/common-hash.js
index 902a91793..85ec3b36e 100644
--- a/www/common/common-hash.js
+++ b/www/common/common-hash.js
@@ -15,7 +15,6 @@ var factory = function (Util, Crypto, Nacl) {
             .decodeUTF8(JSON.stringify(list))));
     };
 
-    // XXX move this code?
     Hash.generateSignPair = function () {
         var ed = Nacl.sign.keyPair();
         var makeSafe = function (key) {
@@ -152,7 +151,7 @@ Version 1
         var k;
         // Check if we have a ownerKey for this pad
         hashArr.some(function (data) {
-            if (data.length === 86) { // XXX 88 characters - 2 trailing "="...
+            if (data.length === 86) {
                 k = data;
                 return true;
             }
diff --git a/www/common/outer/invitation.js b/www/common/outer/invitation.js
index d84d7a81f..603cae3c1 100644
--- a/www/common/outer/invitation.js
+++ b/www/common/outer/invitation.js
@@ -17,7 +17,6 @@ var factory = function (Util, Cred, Nacl) {
         };
     };
 
-    // XXX move this function?
     Invite.generateSignPair = function () {
         var ed = Nacl.sign.keyPair();
         return {