diff --git a/src/gui/folderstatusmodel.cpp b/src/gui/folderstatusmodel.cpp
index f2af92eed7..5484eec3a9 100644
--- a/src/gui/folderstatusmodel.cpp
+++ b/src/gui/folderstatusmodel.cpp
@@ -721,11 +721,6 @@ void FolderStatusModel::slotUpdateDirectories(const QStringList &list)
     for (auto it = undecidedIndexes.begin(); it != undecidedIndexes.end(); ++it) {
         suggestExpand(index(*it, 0, idx));
     }
-
-/* We need lambda function for the following code.
-     * It's just a small feature that will be missing if the comiler is too old */
-#if !(defined(Q_CC_GNU) && !defined(Q_CC_INTEL) && !defined(Q_CC_CLANG)) || (__GNUC__ * 100 + __GNUC_MINOR__ >= 405)
-
     /* Try to remove the the undecided lists the items that are not on the server. */
     auto it = std::remove_if(selectiveSyncUndecidedList.begin(), selectiveSyncUndecidedList.end(),
         [&](const QString &s) { return selectiveSyncUndecidedSet.count(s); });
@@ -735,7 +730,6 @@ void FolderStatusModel::slotUpdateDirectories(const QStringList &list)
             SyncJournalDb::SelectiveSyncUndecidedList, selectiveSyncUndecidedList);
         emit dirtyChanged();
     }
-#endif
 }
 
 void FolderStatusModel::slotLscolFinishedWithError(QNetworkReply *r)