diff --git a/api/migrations/20190501021006-remove-all-private-channel-members.js b/api/migrations/20190501021006-remove-all-private-channel-members.js
deleted file mode 100644
index 36766c1aa7..0000000000
--- a/api/migrations/20190501021006-remove-all-private-channel-members.js
+++ /dev/null
@@ -1,75 +0,0 @@
-exports.up = async function(r, conn) {
-  // get all private channels that haven't been deleted
-  const privateChannels = await r
-    .db('spectrum')
-    .table('channels')
-    .filter({ isPrivate: true })
-    .filter(row => row.hasFields('deletedAt').not())
-    .run(conn)
-    .then(cursor => cursor.toArray());
-
-  // for each channel, remove all members except the community owner
-  return Promise.all(
-    privateChannels.map(async channel => {
-      const community = await r
-        .db('spectrum')
-        .table('communities')
-        .get(channel.communityId)
-        .run(conn);
-
-      // ensure that the community owner also owns the channel
-      // to account for situations where a moderator created the channel
-      const communityOwnerChannelRecord = await r
-        .db('spectrum')
-        .table('usersChannels')
-        .getAll([community.creatorId, channel.id], {
-          index: 'userIdAndChannelId',
-        })
-        .run(conn)
-        .then(cursor => cursor.toArray());
-
-      if (
-        !communityOwnerChannelRecord ||
-        communityOwnerChannelRecord.length === 0
-      ) {
-        await r
-          .db('spectrum')
-          .table('usersChannels')
-          .insert({
-            channelId: channel.id,
-            userId: community.creatorId,
-            createdAt: new Date(),
-            isOwner: true,
-            isMember: true,
-            isModerator: false,
-            isBlocked: false,
-            isPending: false,
-            receiveNotifications: false,
-          })
-          .run(conn);
-      } else {
-        await r
-          .db('spectrum')
-          .table('usersChannels')
-          .getAll([community.creatorId, channel.id], {
-            index: 'userIdAndChannelId',
-          })
-          .update({ isOwner: true })
-          .run(conn);
-      }
-
-      return await r
-        .db('spectrum')
-        .table('usersChannels')
-        .getAll(channel.id, { index: 'channelId' })
-        .filter({ isMember: true })
-        .filter(row => row('userId').ne(community.creatorId))
-        .update({ isMember: false })
-        .run(conn);
-    })
-  );
-};
-
-exports.down = function(r, conn) {
-  return Promise.resolve();
-};
diff --git a/api/models/usersChannels.js b/api/models/usersChannels.js
index ff7b4ed786..02fe489c48 100644
--- a/api/models/usersChannels.js
+++ b/api/models/usersChannels.js
@@ -452,7 +452,7 @@ const createMemberInDefaultChannels = (communityId: string, userId: string): Pro
 };
 
 // prettier-ignore
-const toggleUserChannelNotifications = async (userId: string, channelId: string, value: boolean): Promise<DBChannel> => {
+const toggleUserChannelNotifications = async (userId: string, channelId: string, value: boolean): Promise<?DBChannel> => {
   const event = value ? events.CHANNEL_NOTIFICATIONS_ENABLED : events.CHANNEL_NOTIFICATIONS_DISABLED
 
   trackQueue.add({
@@ -490,7 +490,7 @@ const toggleUserChannelNotifications = async (userId: string, channelId: string,
     return createMemberInChannel(channelId, userId, false)
   }
 
-  return
+  return null
 };
 
 const removeUsersChannelMemberships = async (userId: string) => {
diff --git a/now.json b/now.json
index 25e168fe97..ccbb205144 100644
--- a/now.json
+++ b/now.json
@@ -9,11 +9,11 @@
     "DEBUG": "shared:rethinkdb:db-query-cache",
     "S3_TOKEN": "@s3-token",
     "S3_SECRET": "@s3-secret",
-    "COMPOSE_RETHINKDB_PASSWORD": "@github-compose-rethinkdb-password",
-    "COMPOSE_RETHINKDB_URL": "@github-compose-rethinkdb-url",
-    "COMPOSE_RETHINKDB_PORT": "@github-compose-rethinkdb-port",
-    "BACKUP_RETHINKDB_URL": "@backup-compose-rethinkdb-url",
-    "BACKUP_RETHINKDB_PORT": "@backup-compose-rethinkdb-port",
+    "COMPOSE_RETHINKDB_PASSWORD": "@new-compose-rethinkdb-password",
+    "COMPOSE_RETHINKDB_URL": "@new-compose-rethinkdb-url",
+    "COMPOSE_RETHINKDB_PORT": "@new-compose-rethinkdb-port",
+    "BACKUP_RETHINKDB_URL": "@new-backup-compose-rethinkdb-url",
+    "BACKUP_RETHINKDB_PORT": "@new-backup-compose-rethinkdb-port",
     "AWS_RETHINKDB_PASSWORD": "@aws-rethinkdb-password",
     "AWS_RETHINKDB_URL": "@aws-rethinkdb-url",
     "AWS_RETHINKDB_PORT": "@aws-rethinkdb-port",
diff --git a/package.json b/package.json
index 1b88f4ff83..d6fe378e48 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Spectrum",
-  "version": "3.1.11",
+  "version": "3.1.12",
   "license": "BSD-3-Clause",
   "devDependencies": {
     "@babel/preset-flow": "^7.0.0",
diff --git a/shared/imgix/sign.js b/shared/imgix/sign.js
index 932bfef359..ce3c42a773 100644
--- a/shared/imgix/sign.js
+++ b/shared/imgix/sign.js
@@ -36,7 +36,7 @@ const defaultOpts = {
 
 const signPrimary = (url: string, opts: Opts = defaultOpts): string => {
   const client = new ImgixClient({
-    domains: ['spectrum.imgix.net'],
+    domains: 'spectrum.imgix.net',
     secureURLToken: process.env.IMGIX_SECURITY_KEY,
   });
   return client.buildURL(url, opts);
@@ -44,7 +44,7 @@ const signPrimary = (url: string, opts: Opts = defaultOpts): string => {
 
 const signProxy = (url: string, opts?: Opts = defaultOpts): string => {
   const client = new ImgixClient({
-    domains: ['spectrum-proxy.imgix.net'],
+    domains: 'spectrum-proxy.imgix.net',
     secureURLToken: process.env.IMGIX_PROXY_SECURITY_KEY,
   });
   return client.buildURL(url, opts);