Use the right table ...

src/Protocol/DFRN.php

@@ -2472,7 +2472,7 @@ class DFRN
 		// Check if the message is wanted
 		if (($importer["importer_uid"] == 0) && ($item['uri'] == $item['parent-uri'])) {
 			if (!self::isSolicitedMessage($item)) {
-				DBA::delete('uri-id', ['uri' => $item['uri']]);
+				DBA::delete('item-uri', ['uri' => $item['uri']]);
 				return 403;
 			}
 		}

src/Protocol/Diaspora.php

@@ -2909,7 +2909,7 @@ class Diaspora
 		Tag::storeRawTagsFromBody($datarray['uri-id'], $datarray["body"]);
 
 		if (!$fetched && !self::isSolicitedMessage($datarray["uri"], $datarray['uri-id'], $author, $body)) {
-			DBA::delete('uri-id', ['uri' => $datarray['uri']]);
+			DBA::delete('item-uri', ['uri' => $datarray['uri']]);
 			return false;
 		}