2 files changed, 12 insertions, 18 deletions
diff --git a/src/libs/installer/fileutils.cpp b/src/libs/installer/fileutils.cpp
index 9fb782fec..1fd5bf35c 100644
--- a/src/libs/installer/fileutils.cpp
+++ b/src/libs/installer/fileutils.cpp
@@ -282,8 +282,7 @@ void QInstaller::removeDirectory(const QString &path, bool ignoreErrors)
     QDirIterator it(path, QDir::NoDotAndDotDot | QDir::Dirs | QDir::NoSymLinks | QDir::Hidden,
         QDirIterator::Subdirectories);
     while (it.hasNext()) {
-        it.next();
-        dirs.prepend(it.filePath());
+        dirs.prepend(it.next());
         removeFiles(dirs.at(0), ignoreErrors);
     }
 
diff --git a/src/libs/kdtools/kdupdaterupdateoperations.cpp b/src/libs/kdtools/kdupdaterupdateoperations.cpp
index 5a4296242..854449bc0 100644
--- a/src/libs/kdtools/kdupdaterupdateoperations.cpp
+++ b/src/libs/kdtools/kdupdaterupdateoperations.cpp
@@ -65,29 +65,24 @@ static QString errnoToQString(int error)
 #endif
 }
 
-static bool removeDirectory(const QString &path, QString *errorString, bool force = true)
+static bool removeDirectory(const QString &path, QString *errorString, bool force)
 {
     Q_ASSERT(errorString);
-    const QFileInfoList entries = QDir(path).entryInfoList(QDir::NoDotAndDotDot | QDir::AllEntries | QDir::Hidden);
-    for (QFileInfoList::const_iterator it = entries.constBegin(); it != entries.constEnd(); ++it) {
-        if (it->isDir() && !it->isSymLink()) {
-            removeDirectory(it->filePath(), errorString, force);
-        } else if (force) {
-            QFile f(it->filePath());
-            if (!f.remove())
-                return false;
-        }
+
+    QDir dir = path;
+    const QFileInfoList entries = dir.entryInfoList(QDir::NoDotAndDotDot | QDir::AllEntries | QDir::Hidden);
+    foreach (const QFileInfo &entry, entries) {
+        if (entry.isDir() && (!entry.isSymLink()))
+            removeDirectory(entry.filePath(), errorString, force);
+        else if (force && (!QFile(entry.filePath()).remove()))
+            return false;
     }
 
     // even remove some hidden, OS-created files in there
-#if defined Q_OS_MAC
-    QFile::remove(path + QLatin1String("/.DS_Store"));
-#elif defined Q_OS_WIN
-    QFile::remove(path + QLatin1String("/Thumbs.db"));
-#endif
+    QInstaller::removeSystemGeneratedFiles(path);
 
     errno = 0;
-    const bool success = QDir().rmdir(path);
+    const bool success = dir.rmdir(path);
     if (errno)
         *errorString = errnoToQString(errno);
     return success;