diff --git a/src/plugins/classview/classviewmanager.cpp b/src/plugins/classview/classviewmanager.cpp
index a1cf4053751..ce5bfcec204 100644
--- a/src/plugins/classview/classviewmanager.cpp
+++ b/src/plugins/classview/classviewmanager.cpp
@@ -190,9 +190,6 @@ void Manager::initialize()
         if (!state())
             return;
 
-        // any document might be changed, clear parser's cache
-        QMetaObject::invokeMethod(&d->parser, &Parser::clearCache, Qt::QueuedConnection);
-
         // request to update a tree to the current state
         resetParser();
     });
diff --git a/src/plugins/classview/classviewparser.cpp b/src/plugins/classview/classviewparser.cpp
index 414118df9ab..987f2b667df 100644
--- a/src/plugins/classview/classviewparser.cpp
+++ b/src/plugins/classview/classviewparser.cpp
@@ -600,7 +600,7 @@ void Parser::resetData(const CPlusPlus::Snapshot &snapshot)
     CPlusPlus::Snapshot::const_iterator cur = snapshot.begin();
     CPlusPlus::Snapshot::const_iterator end = snapshot.end();
     for (; cur != end; ++cur)
-        d->documentList[cur.key().toString()] = cur.value();
+        d->documentList[cur.key().toString()] = cur.value(); // why we don't clear documentList?
 
     d->docLocker.unlock();