diff --git a/src/Model/Item.php b/src/Model/Item.php
index ce62e86c4f..d78daf605d 100644
--- a/src/Model/Item.php
+++ b/src/Model/Item.php
@@ -650,42 +650,6 @@ class Item
 		return true;
 	}
 
-	/**
-	 * Return the id of the given item array if it has been stored before
-	 *
-	 * @param array $item Item record
-	 * @return integer Item id or zero on error
-	 */
-	private static function getDuplicateID(array $item): int
-	{
-		if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
-			$condition = [
-				'`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?)',
-				$item['uri-id'],
-				$item['uid'],
-				Protocol::ACTIVITYPUB,
-				Protocol::DIASPORA,
-				Protocol::DFRN
-			];
-			$existing = Post::selectFirst(['id', 'network'], $condition);
-			if (DBA::isResult($existing)) {
-				// We only log the entries with a different user id than 0. Otherwise we would have too many false positives
-				if ($item['uid'] != 0) {
-					DI::logger()->notice('Item already existed for user', [
-						'uri-id'           => $item['uri-id'],
-						'uid'              => $item['uid'],
-						'network'          => $item['network'],
-						'existing_id'      => $existing['id'],
-						'existing_network' => $existing['network']
-					]);
-				}
-
-				return $existing['id'];
-			}
-		}
-		return 0;
-	}
-
 	/**
 	 * Fetch the uri-id of the parent for the given uri-id
 	 *
@@ -758,7 +722,7 @@ class Item
 		 * We have to check several networks since Friendica posts could be repeated
 		 * via Diaspora.
 		 */
-		$duplicate = self::getDuplicateID($item);
+		$duplicate = $itemHelper->getDuplicateID($item);
 		if ($duplicate) {
 			return $duplicate;
 		}
diff --git a/src/Model/ItemHelper.php b/src/Model/ItemHelper.php
index 000208d913..9b585fd544 100644
--- a/src/Model/ItemHelper.php
+++ b/src/Model/ItemHelper.php
@@ -18,7 +18,7 @@ use Psr\Log\LoggerInterface;
 /**
  * A helper class for handling an Item Model
  *
- * @internal only for use in Friendica\Content\Item class
+ * @internal ONLY for use in Friendica\Content\Item class
  *
  * @see Item::insert()
  */
@@ -77,6 +77,44 @@ final class ItemHelper
 		return $item;
 	}
 
+	/**
+	 * Return the id of the given item array if it has been stored before
+	 *
+	 * @param array $item Item record
+	 * @return integer Item id or zero on error
+	 */
+	public function getDuplicateID(array $item): int
+	{
+		if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
+			$condition = [
+				'`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?)',
+				$item['uri-id'],
+				$item['uid'],
+				Protocol::ACTIVITYPUB,
+				Protocol::DIASPORA,
+				Protocol::DFRN
+			];
+
+			$existing = Post::selectFirst(['id', 'network'], $condition);
+
+			if ($this->database->isResult($existing)) {
+				// We only log the entries with a different user id than 0. Otherwise we would have too many false positives
+				if ($item['uid'] != 0) {
+					$this->logger->notice('Item already existed for user', [
+						'uri-id'           => $item['uri-id'],
+						'uid'              => $item['uid'],
+						'network'          => $item['network'],
+						'existing_id'      => $existing['id'],
+						'existing_network' => $existing['network']
+					]);
+				}
+
+				return $existing['id'];
+			}
+		}
+		return 0;
+	}
+
 	/**
 	 * Check if the item array is a duplicate
 	 *