diff --git a/tabellio/pcfdb/sync.py b/tabellio/pcfdb/sync.py
index 3bb5550..1948f74 100644
--- a/tabellio/pcfdb/sync.py
+++ b/tabellio/pcfdb/sync.py
@@ -1092,11 +1092,16 @@ class SyncFromPcfDbView(BrowserView):
             count += 1
             dos_id, state, dostype, sess, no, intit, authors, polgroups, topics = row
             log.debug('t_qx/dos id: %s', dos_id)
+
+            if intit and '\n' in intit:
+                intit = intit.replace('\n', ' ').replace('\r', '')
+            if re.match('q[0-9]+$', intit):
+                if hasattr(self.questions_folder, dos_id):
+                    self.questions_folder.manage_delObjects(dos_id)
+                continue
             if not hasattr(self.questions_folder, dos_id):
                 self.questions_folder.invokeFactory('tabellio.documents.question', dos_id)
             object = getattr(self.questions_folder, dos_id)
-            if intit and '\n' in intit:
-                intit = intit.replace('\n', ' ').replace('\r', '')
             object.title = intit
             object.session = sess
             object.state = state