diff --git a/customize.dist/src/less2/include/fileupload.less b/customize.dist/src/less2/include/fileupload.less
index 91117fedd..8fb1c8857 100644
--- a/customize.dist/src/less2/include/fileupload.less
+++ b/customize.dist/src/less2/include/fileupload.less
@@ -14,7 +14,7 @@
         right: 10vw;
         bottom: 10vh;
         box-sizing: border-box;
-        z-index: 1000000; //Z file upload table container
+        z-index: 100000; //Z file upload table container
         display: none;
         color: darken(@colortheme_drive-bg, 10%);
         max-height: 180px;
diff --git a/lib/commands/pin-rpc.js b/lib/commands/pin-rpc.js
index d4bb96b71..e490f713d 100644
--- a/lib/commands/pin-rpc.js
+++ b/lib/commands/pin-rpc.js
@@ -23,7 +23,7 @@ var sumChannelSizes = function (sizes) {
         .reduce(function (a, b) { return a + b; }, 0);
 };
 
-// XXX it's possible for this to respond before the server has had a chance
+// FIXME it's possible for this to respond before the server has had a chance
 // to fetch the limits. Maybe we should respond with an error...
 // or wait until we actually know the limits before responding
 var getLimit = Pinning.getLimit = function (Env, publicKey, cb) {
diff --git a/lib/commands/quota.js b/lib/commands/quota.js
index 654802f35..74c4eca44 100644
--- a/lib/commands/quota.js
+++ b/lib/commands/quota.js
@@ -81,7 +81,8 @@ Quota.updateCachedLimits = function (Env, cb) {
 
     req.on('error', function (e) {
         Quota.applyCustomLimits(Env);
-        if (!Env.domain) { return cb(); } // XXX
+        // FIXME this is always falsey. Maybe we just suppress errors?
+        if (!Env.domain) { return cb(); }
         cb(e);
     });
 
diff --git a/lib/rpc.js b/lib/rpc.js
index 1ade85d23..23597eb5b 100644
--- a/lib/rpc.js
+++ b/lib/rpc.js
@@ -232,7 +232,9 @@ RPC.create = function (config, cb) {
         myDomain: config.myDomain,
         mySubdomain: config.mySubdomain,
         customLimits: config.customLimits,
-        domain: config.domain // XXX
+        // FIXME this attribute isn't in the default conf
+        // but it is referenced in Quota
+        domain: config.domain
     };
 
     Env.defaultStorageLimit = typeof(config.defaultStorageLimit) === 'number' && config.defaultStorageLimit > 0?
diff --git a/storage/file.js b/storage/file.js
index 92e8cceee..cb29d7fab 100644
--- a/storage/file.js
+++ b/storage/file.js
@@ -1123,7 +1123,7 @@ module.exports.create = function (conf, cb) {
             // iterate over the messages in a log
             readMessagesBin: (channelName, start, asyncMsgHandler, cb) => {
                 if (!isValidChannelId(channelName)) { return void cb(new Error('EINVAL')); }
-// XXX there is a race condition here
+// FIXME there is a race condition here
 // historyKeeper reads the file to find the byte offset of the first interesting message
 // then calls this function again to read from that point.
 // If this task is in the queue already when the file is read again
@@ -1143,7 +1143,7 @@ module.exports.create = function (conf, cb) {
             // remove a channel and its associated metadata log if present
             removeChannel: function (channelName, cb) {
                 if (!isValidChannelId(channelName)) { return void cb(new Error('EINVAL')); }
-// XXX there's another race condition here...
+// FIXME there's another race condition here...
 // when a remove and an append are scheduled in that order
 // the remove will delete the channel's metadata (including its validateKey)
 // then the append will recreate the channel and insert a message.