diff --git a/.eslintignore b/.eslintignore
index a586861bdb..764a4f79a7 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,6 +1,5 @@
 /js/admin/*
 /js/collections.js
-/js/collectionsintegration.js
 /js/simplewebrtc/bundled.js
 /js/tests/*
 /js/vendor/*
diff --git a/src/collectionsintegration.js b/src/collectionsintegration.js
deleted file mode 100644
index 98fd90ba60..0000000000
--- a/src/collectionsintegration.js
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * @copyright Copyright (c) 2019 Julius Härtl <jus@bitgrid.net>
- *
- * @author Julius Härtl <jus@bitgrid.net>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-import Vue from 'vue'
-import CollaborationView from './views/CollaborationView'
-
-// eslint-disable-next-line no-unexpected-multiline
-(function(OCP, OCA) {
-	// eslint-disable-next-line
-	__webpack_nonce__ = btoa(OC.requestToken)
-	// eslint-disable-next-line
-	__webpack_public_path__ = OC.linkTo('spreed', 'js/')
-
-	Vue.prototype.t = t
-	Vue.prototype.n = n
-	Vue.prototype.OC = OC
-
-	OCA.Talk = Object.assign({}, OCA.Talk)
-	OCA.Talk.CollectionsTabView = {
-
-		ComponentVM: null,
-		MountingPoint: null,
-
-		init(MountingPoint, roomModel) {
-			this.ComponentVM = new Vue({
-				data: {
-					model: roomModel.toJSON(),
-				},
-				render: h => h(CollaborationView),
-			})
-
-			if (MountingPoint) {
-				this.ComponentVM.$mount(MountingPoint)
-			}
-		},
-		setRoomModel(roomModel) {
-			if (this.ComponentVM) {
-				this.ComponentVM.model = roomModel.toJSON()
-			}
-		},
-
-	}
-
-})(window.OCP, window.OCA)
diff --git a/src/components/Sidebar/Sidebar.vue b/src/components/Sidebar/Sidebar.vue
index b32e20dd35..9d4fada58d 100644
--- a/src/components/Sidebar/Sidebar.vue
+++ b/src/components/Sidebar/Sidebar.vue
@@ -24,29 +24,41 @@
 		v-if="opened"
 		:title="conversation.displayName"
 		:starred.sync="conversation.isFavorite"
-		@close="show=false" />
+		@close="show=false">
+		<AppSidebarTab :name="t('spreed', 'Participants')" icon="icon-contacts-dark">
+			Participants
+		</AppSidebarTab>
+		<AppSidebarTab :name="t('spreed', 'Projects')" icon="icon-projects">
+			<CollectionList v-if="conversation.token"
+				:id="conversation.token"
+				type="room"
+				:name="conversation.displayName" />
+		</AppSidebarTab>
+	</AppSidebar>
 </template>
 
 <script>
 import AppSidebar from 'nextcloud-vue/dist/Components/AppSidebar'
+import AppSidebarTab from 'nextcloud-vue/dist/Components/AppSidebarTab'
+// import ParticipantsTab from './ParticipantsTab/ParticipantsTab'
+import { CollectionList } from 'nextcloud-vue-collections'
 import { EventBus } from '../../services/EventBus'
 
 export default {
 	name: 'Sidebar',
 	components: {
 		AppSidebar,
+		AppSidebarTab,
+		CollectionList,
+		// ParticipantsTab,
 	},
 
 	data() {
 		return {
-			show: true
+			show: true,
 		}
 	},
-	beforeMount() {
-		EventBus.$on('routeChange', () => {
-			this.show = true
-		})
-	},
+
 	computed: {
 		opened() {
 			return !!this.token && this.show
@@ -59,10 +71,21 @@ export default {
 				return this.$store.getters.conversations[this.token]
 			}
 			return {
+				token: '',
 				displayName: '',
 				isFavorite: false,
 			}
 		},
 	},
+
+	beforeMount() {
+		EventBus.$on('routeChange', () => {
+			this.show = true
+		})
+	},
 }
 </script>
+
+<style scoped>
+
+</style>
diff --git a/src/views/CollaborationView.vue b/src/views/CollaborationView.vue
deleted file mode 100644
index 53be819457..0000000000
--- a/src/views/CollaborationView.vue
+++ /dev/null
@@ -1,55 +0,0 @@
-<!--
-  - @copyright Copyright (c) 2019 Julius Härtl <jus@bitgrid.net>
-  -
-  - @author Julius Härtl <jus@bitgrid.net>
-  -
-  - @license GNU AGPL version 3 or any later version
-  -
-  - This program is free software: you can redistribute it and/or modify
-  - it under the terms of the GNU Affero General Public License as
-  - published by the Free Software Foundation, either version 3 of the
-  - License, or (at your option) any later version.
-  -
-  - This program is distributed in the hope that it will be useful,
-  - but WITHOUT ANY WARRANTY; without even the implied warranty of
-  - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  - GNU Affero General Public License for more details.
-  -
-  - You should have received a copy of the GNU Affero General Public License
-  - along with this program. If not, see <http://www.gnu.org/licenses/>.
-  -
-  -->
-
-<template>
-	<div>
-		<CollectionList v-if="roomId"
-			:id="roomId"
-			type="room"
-			:name="roomTitle" />
-	</div>
-</template>
-
-<script>
-import { CollectionList } from 'nextcloud-vue-collections'
-
-export default {
-	name: 'CollaborationView',
-	components: {
-		CollectionList: CollectionList,
-	},
-	computed: {
-		roomId() {
-			if (this.$root.model && this.$root.model.token) {
-				return '' + this.$root.model.token
-			}
-			return null
-		},
-		roomTitle() {
-			if (this.$root.model && this.$root.model.displayName) {
-				return '' + this.$root.model.displayName
-			}
-			return ''
-		},
-	},
-}
-</script>
diff --git a/webpack.common.js b/webpack.common.js
index 210e88ed0e..2f3a5f4704 100644
--- a/webpack.common.js
+++ b/webpack.common.js
@@ -11,7 +11,6 @@ module.exports = {
 		'admin/stun-server': path.join(__dirname, 'src', 'StunServerSettings.js'),
 		'admin/turn-server': path.join(__dirname, 'src', 'TurnServerSettings.js'),
 		'collections': path.join(__dirname, 'src', 'collections.js'),
-		'collectionsintegration': path.join(__dirname, 'src', 'collectionsintegration.js'),
 		'talk': path.join(__dirname, 'src', 'main.js')
 	},
 	output: {