diff -Pdpru a/kio/kio/kfileitem.cpp b/kio/kio/kfileitem.cpp
--- kio/kio/kfileitem.cpp.orig	2012-06-06 22:49:52.653043147 +0200
+++ kio/kio/kfileitem.cpp	2012-09-07 16:21:14.511736277 +0200
@@ -702,8 +702,7 @@ bool KFileItemPrivate::isSlow() const
     if (m_slow == SlowUnknown) {
         const QString path = localPath();
         if (!path.isEmpty()) {
-            const KFileSystemType::Type fsType = KFileSystemType::fileSystemType(path);
-            m_slow = (fsType == KFileSystemType::Nfs || fsType == KFileSystemType::Smb) ? Slow : Fast;
+            m_slow = Fast;
         } else {
             m_slow = Slow;
         }