diff --git a/server/controllers/collection.controller/listCollections.js b/server/controllers/collection.controller/listCollections.js
index fb5c70cff8..6920bcf2e1 100644
--- a/server/controllers/collection.controller/listCollections.js
+++ b/server/controllers/collection.controller/listCollections.js
@@ -14,21 +14,23 @@ async function getOwnerUserId(req) {
   return null;
 }
 
-export default function listCollections(req, res) {
-  function sendFailure({ code = 500, message = 'Something went wrong' }) {
+export default async function listCollections(req, res) {
+  const sendFailure = ({ code = 500, message = 'Something went wrong' }) => {
     res.status(code).json({ success: false, message });
-  }
+  };
 
-  function sendSuccess(collections) {
+  const sendSuccess = (collections) => {
     res.status(200).json(collections);
-  }
+  };
+
+  try {
+    const owner = await getOwnerUserId(req);
 
-  function findCollections(owner) {
-    if (owner == null) {
-      sendFailure({ code: 404, message: 'User not found' });
+    if (!owner) {
+      sendFailure('404', 'User not found');
     }
 
-    return Collection.find({ owner }).populate([
+    const collections = await Collection.find({ owner }).populate([
       { path: 'owner', select: ['id', 'username'] },
       {
         path: 'items.project',
@@ -39,10 +41,9 @@ export default function listCollections(req, res) {
         }
       }
     ]);
-  }
 
-  return getOwnerUserId(req)
-    .then(findCollections)
-    .then(sendSuccess)
-    .catch(sendFailure);
+    sendSuccess(collections);
+  } catch (error) {
+    sendFailure(error.code || 500, error.message || 'Something went wrong');
+  }
 }
diff --git a/server/controllers/collection.controller/removeProjectFromCollection.js b/server/controllers/collection.controller/removeProjectFromCollection.js
index 56a83df297..f652d1b76c 100644
--- a/server/controllers/collection.controller/removeProjectFromCollection.js
+++ b/server/controllers/collection.controller/removeProjectFromCollection.js
@@ -1,6 +1,6 @@
 import Collection from '../../models/collection';
 
-export default function addProjectToCollection(req, res) {
+export default function removeProjectFromCollection(req, res) {
   const owner = req.user._id;
   const { id: collectionId, projectId } = req.params;
 
diff --git a/server/models/collection.js b/server/models/collection.js
index c7fc0d1ee7..1633c03847 100644
--- a/server/models/collection.js
+++ b/server/models/collection.js
@@ -6,9 +6,9 @@ const { Schema } = mongoose;
 
 const collectedProjectSchema = new Schema(
   {
-    project: { type: Schema.Types.ObjectId, ref: 'Project' }
+    project: { type: Schema.Types.String, ref: 'Project' }
   },
-  { timestamps: true, _id: true, usePushEach: true }
+  { timestamps: true }
 );
 
 collectedProjectSchema.virtual('id').get(function getId() {
@@ -36,7 +36,7 @@ const collectionSchema = new Schema(
     owner: { type: Schema.Types.ObjectId, ref: 'User' },
     items: { type: [collectedProjectSchema] }
   },
-  { timestamps: true, usePushEach: true }
+  { timestamps: true }
 );
 
 collectionSchema.virtual('id').get(function getId() {
@@ -48,9 +48,8 @@ collectionSchema.set('toJSON', {
 });
 
 collectionSchema.pre('save', function generateSlug(next) {
-  const collection = this;
-  collection.slug = slugify(collection.name, '_');
-  return next();
+  this.slug = slugify(this.name, { lower: true, strict: true });
+  next();
 });
 
 export default mongoose.models.Collection ||
diff --git a/server/models/project.js b/server/models/project.js
index 89fc8bed50..30b506fa4d 100644
--- a/server/models/project.js
+++ b/server/models/project.js
@@ -16,7 +16,7 @@ const fileSchema = new Schema(
     fileType: { type: String, default: 'file' },
     isSelectedFile: { type: Boolean }
   },
-  { timestamps: true, _id: true, usePushEach: true }
+  { timestamps: true }
 );
 
 fileSchema.virtual('id').get(function getFileId() {
@@ -40,7 +40,7 @@ const projectSchema = new Schema(
     _id: { type: String, default: shortid.generate },
     slug: { type: String }
   },
-  { timestamps: true, usePushEach: true }
+  { timestamps: true }
 );
 
 projectSchema.virtual('id').get(function getProjectId() {
@@ -52,13 +52,10 @@ projectSchema.set('toJSON', {
 });
 
 projectSchema.pre('save', function generateSlug(next) {
-  const project = this;
-
-  if (!project.slug) {
-    project.slug = slugify(project.name, '_');
+  if (!this.slug) {
+    this.slug = slugify(this.name, { lower: true, strict: true });
   }
-
-  return next();
+  next();
 });
 
 /**