diff --git a/src/components/Editor/AvatarParticipationStatus.vue b/src/components/Editor/AvatarParticipationStatus.vue
index a70d7bb4be..f599791638 100644
--- a/src/components/Editor/AvatarParticipationStatus.vue
+++ b/src/components/Editor/AvatarParticipationStatus.vue
@@ -30,7 +30,8 @@
 				<AccountMultiple :size="28" />
 			</template>
 		</Avatar>
-		<Avatar v-else :disable-tooltip="true"
+		<Avatar v-else
+			:disable-tooltip="true"
 			:user="commonName"
 			:display-name="commonName"
 			:is-no-user="true" />
diff --git a/src/components/Editor/Invitees/InviteesList.vue b/src/components/Editor/Invitees/InviteesList.vue
index b74199e9b5..bd385cb371 100644
--- a/src/components/Editor/Invitees/InviteesList.vue
+++ b/src/components/Editor/Invitees/InviteesList.vue
@@ -131,9 +131,9 @@ export default {
 			return this.calendarObjectInstance.attendees.filter(attendee => {
 
 				// Assign members to group type
-				attendee.members = [];
+				attendee.members = []
 				if (attendee.attendeeProperty.userType === 'GROUP') {
-					let group = attendee
+					const group = attendee
 					group.members = this.calendarObjectInstance.attendees.filter(attendee => {
 						return group.uri === attendee.member
 					})
@@ -159,15 +159,16 @@ export default {
 			return this.invitees
 				.filter(attendee => {
 					// Filter attendees which are part of an invited group
+					let isMemberOfGroup = false
 					if (attendee.member) {
-						var isMemberOfGroup = this.groups.some(function(group) {
-							return attendee.member.includes(group.uri) &&
-								attendee.attendeeProperty.userType === 'INDIVIDUAL'
+						isMemberOfGroup = this.groups.some(function(group) {
+							return attendee.member.includes(group.uri)
+								&& attendee.attendeeProperty.userType === 'INDIVIDUAL'
 						})
 					}
 
-					return attendee.uri !== this.calendarObjectInstance.organizer.uri &&
-						!isMemberOfGroup
+					return attendee.uri !== this.calendarObjectInstance.organizer.uri
+						&& !isMemberOfGroup
 				})
 		},
 		isOrganizer() {
diff --git a/src/components/Editor/Invitees/InviteesListItem.vue b/src/components/Editor/Invitees/InviteesListItem.vue
index 25c43060a9..6cd608d69a 100644
--- a/src/components/Editor/Invitees/InviteesListItem.vue
+++ b/src/components/Editor/Invitees/InviteesListItem.vue
@@ -39,7 +39,7 @@
 			<span v-if="hasMembers"
 				class="invitees-list-item__member-count">
 				({{ $n('calendar', '%n member', '%n members', attendee.members.length) }})
-  			</span>
+			</span>
 		</div>
 		<div class="invitees-list-item__actions">
 			<NcButton v-if="hasMembers"
@@ -146,10 +146,10 @@ export default {
 		},
 	},
 	data() {
-    	return {
-      		memberListExpaneded: false,
-			members: this.attendee.members
-    	};
+		return {
+			memberListExpaneded: false,
+			members: this.attendee.members,
+		};
   	},
 	computed: {
 		/**
@@ -209,7 +209,7 @@ export default {
 		},
 		hasMembers() {
 			return this.attendee.members.length > 0
-		}
+		},
 	},
 	methods: {
 		/**
@@ -233,6 +233,8 @@ export default {
 		},
 		/**
 		 * Removes an attendee from the event
+		 * 
+		 * @param {object} attendee Attendee object to remove
 		 */
 		removeAttendee(attendee) {
 			// Remove attendee from participating group
@@ -246,9 +248,9 @@ export default {
 		/**
 		 * Toggle member list if attendee is a group
 		 */
-		toggleMemberList(e) {
+		toggleMemberList() {
 			this.memberListExpaneded = !this.memberListExpaneded
-		}
+		},
 	},
 }
 </script>