diff --git a/apps/files_sharing/lib/Activity/Providers/Users.php b/apps/files_sharing/lib/Activity/Providers/Users.php
index 2de7e23621..61f169fd09 100644
--- a/apps/files_sharing/lib/Activity/Providers/Users.php
+++ b/apps/files_sharing/lib/Activity/Providers/Users.php
@@ -35,6 +35,8 @@ class Users extends Base {
 
 	const SUBJECT_SHARED_WITH_BY = 'shared_with_by';
 	const SUBJECT_UNSHARED_BY = 'unshared_by';
+	const SUBJECT_SELF_UNSHARED = 'self_unshared';
+	const SUBJECT_SELF_UNSHARED_BY = 'self_unshared_by';
 
 	/**
 	 * @param IEvent $event
@@ -49,6 +51,10 @@ class Users extends Base {
 			$subject = $this->l->t('Shared with {user}');
 		} else if ($event->getSubject() === self::SUBJECT_UNSHARED_USER_SELF) {
 			$subject = $this->l->t('Removed share for {user}');
+		} else if ($event->getSubject() === self::SUBJECT_SELF_UNSHARED) {
+			$subject = $this->l->t('You removed yourself');
+		} else if ($event->getSubject() === self::SUBJECT_SELF_UNSHARED_BY) {
+			$subject = $this->l->t('{actor} removed themselves');
 		} else if ($event->getSubject() === self::SUBJECT_RESHARED_USER_BY) {
 			$subject = $this->l->t('{actor} shared with {user}');
 		} else if ($event->getSubject() === self::SUBJECT_UNSHARED_USER_BY) {
@@ -85,6 +91,10 @@ class Users extends Base {
 			$subject = $this->l->t('You shared {file} with {user}');
 		} else if ($event->getSubject() === self::SUBJECT_UNSHARED_USER_SELF) {
 			$subject = $this->l->t('You removed {user} from {file}');
+		} else if ($event->getSubject() === self::SUBJECT_SELF_UNSHARED) {
+			$subject = $this->l->t('You removed yourself from {file}');
+		} else if ($event->getSubject() === self::SUBJECT_SELF_UNSHARED_BY) {
+			$subject = $this->l->t('{actor} removed themselves from {file}');
 		} else if ($event->getSubject() === self::SUBJECT_RESHARED_USER_BY) {
 			$subject = $this->l->t('{actor} shared {file} with {user}');
 		} else if ($event->getSubject() === self::SUBJECT_UNSHARED_USER_BY) {
@@ -121,6 +131,8 @@ class Users extends Base {
 				];
 			case self::SUBJECT_SHARED_WITH_BY:
 			case self::SUBJECT_UNSHARED_BY:
+			case self::SUBJECT_SELF_UNSHARED:
+			case self::SUBJECT_SELF_UNSHARED_BY:
 				return [
 					'file' => $this->getFile($parameters[0], $event),
 					'actor' => $this->getUser($parameters[1]),