diff --git a/src/Model/Item.php b/src/Model/Item.php
index 9d2acdce0..d0c56a819 100644
--- a/src/Model/Item.php
+++ b/src/Model/Item.php
@@ -1112,6 +1112,7 @@ class Item
 	 */
 	public static function deleteById($item_id, $priority = PRIORITY_HIGH)
 	{
+		Logger::notice('Delete item by id', ['id' => $item_id, 'callstack' => System::callstack()]);
 		// locate item to be deleted
 		$fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
 			'deleted', 'file', 'resource-id', 'event-id', 'attach',
@@ -1934,7 +1935,7 @@ class Item
 
 		if ($entries > 1) {
 			// There are duplicates. We delete our just created entry.
-			Logger::log('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
+			Logger::notice('Delete duplicated item', ['id' => $current_post, 'uri' => $item['uri'], 'uid' => $item['uid']]);
 
 			// Yes, we could do a rollback here - but we are having many users with MyISAM.
 			DBA::delete('item', ['id' => $current_post]);
@@ -2717,9 +2718,7 @@ class Item
 		if (!$mention) {
 			if (($community_page || $prvgroup) &&
 				  !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
-				// mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
-				// delete it!
-				Logger::log("no-mention top-level post to community or private group. delete.");
+				Logger::notice('Delete private group/communiy top-level item without mention', ['id' => $item_id]);
 				DBA::delete('item', ['id' => $item_id]);
 				return true;
 			}
@@ -3367,7 +3366,7 @@ class Item
 			$condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
 			if (!self::exists($condition)) {
 				DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
-				Logger::log("deleteThread: Deleted shadow for item ".$itemuri, Logger::DEBUG);
+				Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
 			}
 		}
 	}
diff --git a/src/Worker/DBClean.php b/src/Worker/DBClean.php
index 4144fc95e..7fbc65e29 100644
--- a/src/Worker/DBClean.php
+++ b/src/Worker/DBClean.php
@@ -107,6 +107,7 @@ class DBClean {
 				Logger::log("found global item orphans: ".$count);
 				while ($orphan = DBA::fetch($r)) {
 					$last_id = $orphan["id"];
+					Logger::notice('Delete global orphan item', ['id' => $orphan["id"]]);
 					DBA::delete('item', ['id' => $orphan["id"]]);
 				}
 				Worker::add(PRIORITY_MEDIUM, 'DBClean', 1, $last_id);
@@ -129,6 +130,7 @@ class DBClean {
 				Logger::log("found item orphans without parents: ".$count);
 				while ($orphan = DBA::fetch($r)) {
 					$last_id = $orphan["id"];
+					Logger::notice('Delete orphan item', ['id' => $orphan["id"]]);
 					DBA::delete('item', ['id' => $orphan["id"]]);
 				}
 				Worker::add(PRIORITY_MEDIUM, 'DBClean', 2, $last_id);
@@ -326,6 +328,7 @@ class DBClean {
 				Logger::log("found global item entries from expired threads: ".$count);
 				while ($orphan = DBA::fetch($r)) {
 					$last_id = $orphan["id"];
+					Logger::notice('Delete expired thread item', ['id' => $orphan["id"]]);
 					DBA::delete('item', ['id' => $orphan["id"]]);
 				}
 				Worker::add(PRIORITY_MEDIUM, 'DBClean', 9, $last_id);
diff --git a/src/Worker/Expire.php b/src/Worker/Expire.php
index e1e671532..dfbf9738e 100644
--- a/src/Worker/Expire.php
+++ b/src/Worker/Expire.php
@@ -45,6 +45,7 @@ class Expire
 			$condition = ["`deleted` AND `changed` < UTC_TIMESTAMP() - INTERVAL 60 DAY"];
 			$rows = DBA::select('item', ['id'],  $condition);
 			while ($row = DBA::fetch($rows)) {
+				Logger::notice('Delete expired item', ['id' => $row["id"]]);
 				DBA::delete('item', ['id' => $row['id']]);
 			}
 			DBA::close($rows);
diff --git a/src/Worker/RemoveContact.php b/src/Worker/RemoveContact.php
index ba464f75f..40e3a67fc 100644
--- a/src/Worker/RemoveContact.php
+++ b/src/Worker/RemoveContact.php
@@ -21,6 +21,7 @@
 
 namespace Friendica\Worker;
 
+use Friendica\Core\Logger;
 use Friendica\Database\DBA;
 use Friendica\Core\Protocol;
 use Friendica\Model\Item;
@@ -42,6 +43,7 @@ class RemoveContact {
 		do {
 			$items = Item::select(['id'], $condition, ['limit' => 100]);
 			while ($item = Item::fetch($items)) {
+				Logger::notice('Delete removed contact item', ['id' => $item["id"]]);
 				DBA::delete('item', ['id' => $item['id']]);
 			}
 			DBA::close($items);