diff --git a/src/misc.cpp b/src/misc.cpp
index b3e9ac047..c24252b72 100644
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -151,7 +151,7 @@ QString misc::QDesktopServicesCacheLocation() {
 
 long long misc::freeDiskSpaceOnPath(QString path) {
   if(path.isEmpty()) return -1;
-  path = path.replace("\\", "/");
+  path.replace("\\", "/");
   QDir dir_path(path);
   if(!dir_path.exists()) {
     QStringList parts = path.split("/");
@@ -475,15 +475,15 @@ QString misc::updateLabelInSavePath(QString defaultSavePath, QString save_path,
 
 QString misc::toValidFileSystemName(QString filename) {
   qDebug("toValidFSName: %s", qPrintable(filename));
-  filename = filename.replace("\\", "/").trimmed();
+  filename.replace("\\", "/").trimmed();
   const QRegExp regex("[/:?\"*<>|]");
-  filename = filename.replace(regex, " ").trimmed();
+  filename.replace(regex, " ").trimmed();
   qDebug("toValidFSName, result: %s", qPrintable(filename));
   return filename;
 }
 
 bool misc::isValidFileSystemName(QString filename) {
-  filename = filename.replace("\\", "/").trimmed();
+  filename.replace("\\", "/").trimmed();
   if(filename.isEmpty()) return false;
   const QRegExp regex("[/:?\"*<>|]");
   if(filename.contains(regex))
@@ -712,7 +712,7 @@ QString misc::expandPath(QString path) {
     if(path[0] == '~' ) return QDir::homePath();
   }
   if(path[0] == '~' && path[1] == QDir::separator()) {
-    path = path.replace(0, 1, QDir::homePath());
+    path.replace(0, 1, QDir::homePath());
   } else {
     if(QDir::isAbsolutePath(path)) {
       path = QDir(path).absolutePath();
diff --git a/src/misc.h b/src/misc.h
index f7865734d..015b91696 100644
--- a/src/misc.h
+++ b/src/misc.h
@@ -88,7 +88,7 @@ public:
 
   static inline QString removeLastPathPart(QString path) {
     if(path.isEmpty()) return path;
-    path = path.replace("\\", "/");
+    path.replace("\\", "/");
     QStringList tmp = path.split("/");
     tmp.removeLast();
     return tmp.join("/");
diff --git a/src/preferences/options_imp.cpp b/src/preferences/options_imp.cpp
index aad34b208..aa3acb465 100644
--- a/src/preferences/options_imp.cpp
+++ b/src/preferences/options_imp.cpp
@@ -382,13 +382,13 @@ void options_imp::saveOptions(){
   // Downloads preferences
   QString save_path = getSavePath();
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-  save_path = save_path.replace("\\", "/");
+  save_path.replace("\\", "/");
 #endif
   pref.setSavePath(save_path);
   pref.setTempPathEnabled(isTempPathEnabled());
   QString temp_path = getTempPath();
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-  temp_path = temp_path.replace("\\", "/");
+  temp_path.replace("\\", "/");
 #endif
   pref.setTempPath(temp_path);
   pref.setAppendTorrentLabel(checkAppendLabel->isChecked());
@@ -402,7 +402,7 @@ void options_imp::saveOptions(){
   addedScanDirs.clear();
   QString export_dir = getExportDir();
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-  export_dir = export_dir.replace("\\", "/");
+  export_dir.replace("\\", "/");
 #endif
   pref.setExportDir(export_dir);
   pref.setMailNotificationEnabled(groupMailNotification->isChecked());
@@ -462,7 +462,7 @@ void options_imp::saveOptions(){
   if(isFilteringEnabled()){
     QString filter_path = textFilterPath->text();
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    filter_path = filter_path.replace("\\", "/");
+    filter_path.replace("\\", "/");
 #endif
     pref.setFilter(filter_path);
   }
@@ -554,7 +554,7 @@ void options_imp::loadOptions(){
   // Downloads preferences
   QString save_path = pref.getSavePath();
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-  save_path = save_path.replace("/", "\\");
+  save_path.replace("/", "\\");
 #endif
   textSavePath->setText(save_path);
   if(pref.isTempPathEnabled()) {
@@ -565,7 +565,7 @@ void options_imp::loadOptions(){
   }
   QString temp_path = pref.getTempPath();
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-  temp_path = temp_path.replace("/", "\\");
+  temp_path.replace("/", "\\");
 #endif
   textTempPath->setText(temp_path);
   checkAppendLabel->setChecked(pref.appendTorrentLabel());
@@ -584,7 +584,7 @@ void options_imp::loadOptions(){
     // enable
     checkExportDir->setChecked(true);
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    strValue = strValue.replace("/", "\\");
+    strValue.replace("/", "\\");
 #endif
     textExportDir->setText(strValue);
   }
@@ -855,7 +855,7 @@ QString options_imp::getSavePath() const{
   if(textSavePath->text().trimmed().isEmpty()){
     QString save_path = Preferences().getSavePath();
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    save_path = save_path.replace("/", "\\");
+    save_path.replace("/", "\\");
 #endif
     textSavePath->setText(save_path);
   }
@@ -1093,7 +1093,7 @@ void options_imp::on_browseExportDirButton_clicked() {
   }
   if(!dir.isNull()){
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    dir = dir.replace("/", "\\");
+    dir.replace("/", "\\");
 #endif
     textExportDir->setText(dir);
   }
@@ -1110,7 +1110,7 @@ void options_imp::on_browseFilterButton_clicked() {
   }
   if(!ipfilter.isNull()){
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    ipfilter = ipfilter.replace("/", "\\");
+    ipfilter.replace("/", "\\");
 #endif
     textFilterPath->setText(ipfilter);
   }
@@ -1128,7 +1128,7 @@ void options_imp::on_browseSaveDirButton_clicked(){
   }
   if(!dir.isNull()){
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    dir = dir.replace("/", "\\");
+    dir.replace("/", "\\");
 #endif
     textSavePath->setText(dir);
   }
@@ -1145,7 +1145,7 @@ void options_imp::on_browseTempDirButton_clicked(){
   }
   if(!dir.isNull()){
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    dir = dir.replace("/", "\\");
+    dir.replace("/", "\\");
 #endif
     textTempPath->setText(dir);
   }
diff --git a/src/properties/propertieswidget.cpp b/src/properties/propertieswidget.cpp
index a94aebf53..6cbcf9c4d 100644
--- a/src/properties/propertieswidget.cpp
+++ b/src/properties/propertieswidget.cpp
@@ -222,7 +222,7 @@ void PropertiesWidget::updateSavePath(const QTorrentHandle& _h) {
         p = h.save_path();
     }
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    p = p.replace("/", "\\");
+    p.replace("/", "\\");
 #endif
     save_path->setText(p);
   }
@@ -524,8 +524,7 @@ void PropertiesWidget::renameSelectedFile() {
       // File renaming
       const int file_index = PropListModel->getFileIndex(index);
       if(!h.is_valid() || !h.has_metadata()) return;
-      QString old_name = h.filepath_at(file_index);
-      old_name = old_name.replace("\\", "/");
+      QString old_name = h.filepath_at(file_index).replace("\\", "/");
       if(old_name.endsWith(".!qB") && !new_name_last.endsWith(".!qB")) {
         new_name_last += ".!qB";
       }
@@ -713,7 +712,7 @@ void PropertiesWidget::on_changeSavePathButton_clicked() {
       display_path = savePath.absolutePath();
     }
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    display_path = display_path.replace("/", "\\");
+    display_path.replace("/", "\\");
 #endif
     save_path->setText(display_path);
   }
diff --git a/src/qinisettings.h b/src/qinisettings.h
index ea04e26c2..7bd6695bb 100644
--- a/src/qinisettings.h
+++ b/src/qinisettings.h
@@ -69,7 +69,7 @@ public:
   void setValue(const QString &key, const QVariant &val) {
     QString key_tmp(key);
     if(format() == QSettings::NativeFormat)
-      key_tmp = key_tmp.replace("\\", "/");
+      key_tmp.replace("\\", "/");
     QSettings::setValue(key_tmp, val);
   }
 #endif
diff --git a/src/qtlibtorrent/qbtsession.cpp b/src/qtlibtorrent/qbtsession.cpp
index 8e376b890..d054198b6 100644
--- a/src/qtlibtorrent/qbtsession.cpp
+++ b/src/qtlibtorrent/qbtsession.cpp
@@ -1281,7 +1281,7 @@ void QBtSession::loadTorrentTempData(QTorrentHandle &h, QString savePath, bool m
       if(files_path.size() == h.num_files()) {
         for(int i=0; i<h.num_files(); ++i) {
           QString old_path = h.absolute_files_path().at(i);
-          old_path = old_path.replace("\\", "/");
+          old_path.replace("\\", "/");
           if(!QFile::exists(old_path)) {
             // Remove old parent folder manually since we will
             // not get a file_renamed alert
@@ -2685,7 +2685,7 @@ QString QBtSession::getSavePath(const QString &hash, bool fromScanDir, QString f
     qDebug("getSavePath, got save_path from persistent data: %s", qPrintable(savePath));
   }
   // Clean path
-  savePath = savePath.replace("\\", "/");
+  savePath.replace("\\", "/");
   savePath = misc::expandPath(savePath);
   if(!savePath.endsWith("/"))
     savePath += "/";
diff --git a/src/qtlibtorrent/qtorrenthandle.cpp b/src/qtlibtorrent/qtorrenthandle.cpp
index bbba3f7b7..ce9d2c034 100644
--- a/src/qtlibtorrent/qtorrenthandle.cpp
+++ b/src/qtlibtorrent/qtorrenthandle.cpp
@@ -520,7 +520,7 @@ QString QTorrentHandle::firstFileSavePath() const {
   QString fsave_path = TorrentPersistentData::getSavePath(hash());
   if(fsave_path.isEmpty())
     fsave_path = save_path();
-  fsave_path = fsave_path.replace("\\", "/");
+  fsave_path.replace("\\", "/");
   if(!fsave_path.endsWith("/"))
     fsave_path += "/";
   fsave_path += filepath_at(0);
diff --git a/src/scannedfoldersmodel.cpp b/src/scannedfoldersmodel.cpp
index 52c3d4dc8..e2bc0b75e 100644
--- a/src/scannedfoldersmodel.cpp
+++ b/src/scannedfoldersmodel.cpp
@@ -83,9 +83,7 @@ QVariant ScanFoldersModel::data(const QModelIndex &index, int role) const {
   const PathData* pathData = m_pathList.at(index.row());
   if (index.column() == PathColumn && role == Qt::DisplayRole) {
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    QString ret = pathData->path;
-    ret = ret.replace("/", "\\");
-    return ret;
+    return pathData->path.replace("/", "\\");
 #else
   return pathData->path;
 #endif
diff --git a/src/torrentadditiondlg.cpp b/src/torrentadditiondlg.cpp
index 364193aea..b06022749 100644
--- a/src/torrentadditiondlg.cpp
+++ b/src/torrentadditiondlg.cpp
@@ -96,7 +96,7 @@ torrentAdditionDialog::torrentAdditionDialog(QWidget *parent) :
     display_path += "/";
   path_history << display_path;
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-  display_path = display_path.replace("/", "\\");
+  display_path.replace("/", "\\");
 #endif
   savePathTxt->addItem(display_path);
 
@@ -311,7 +311,7 @@ void torrentAdditionDialog::showLoad(QString filePath, QString from_url) {
 
   QString save_path = savePathTxt->currentText();
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-  save_path = save_path.replace("/", "\\");
+  save_path.replace("/", "\\");
 #endif
   if(!save_path.endsWith(QDir::separator()))
     save_path += QDir::separator();
@@ -327,7 +327,7 @@ void torrentAdditionDialog::showLoad(QString filePath, QString from_url) {
     QString single_file_relpath = misc::toQStringU(t->file_at(0).path.string());
 #endif
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    single_file_relpath = single_file_relpath.replace("/", "\\");
+    single_file_relpath.replace("/", "\\");
 #endif
     save_path += single_file_relpath;
   }
@@ -414,7 +414,7 @@ void torrentAdditionDialog::renameSelectedFile() {
       // File renaming
       const uint file_index = PropListModel->getFileIndex(index);
       QString old_name = files_path.at(file_index);
-      old_name = old_name.replace("\\", "/");
+      old_name.replace("\\", "/");
       qDebug("Old name: %s", qPrintable(old_name));
       QStringList path_items = old_name.split("/");
       path_items.removeLast();
@@ -580,7 +580,7 @@ void torrentAdditionDialog::on_browseButton_clicked(){
       savePathTxt->setCurrentIndex(cur_index);
     }
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    new_path = new_path.replace("/", "\\");
+    new_path.replace("/", "\\");
 #endif
     savePathTxt->setEditText(new_path);
   }
@@ -611,7 +611,7 @@ void torrentAdditionDialog::on_OkButton_clicked(){
   }
   QString save_path = savePathTxt->currentText();
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-  save_path = save_path.replace("\\", "/");
+  save_path.replace("\\", "/");
 #endif
   save_path = misc::expandPath(save_path);
   qDebug("Save path is %s", qPrintable(save_path));
@@ -751,7 +751,7 @@ void torrentAdditionDialog::updateSavePathCurrentText() {
     if(!root_folder_or_file_name.isEmpty())
       item_path += root_folder_or_file_name;
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    item_path = item_path.replace("/", "\\");
+    item_path.replace("/", "\\");
 #endif
     savePathTxt->setItemText(i, item_path);
   }
@@ -812,7 +812,7 @@ void torrentAdditionDialog::loadSavePathHistory() {
     if(QDir(sp) != QDir(defaultSavePath)) {
       QString dsp = sp;
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-      dsp = dsp.replace("/", "\\");
+      dsp.replace("/", "\\");
 #endif
       path_history << sp;
       savePathTxt->addItem(dsp);
diff --git a/src/torrentcreator/torrentcreatordlg.cpp b/src/torrentcreator/torrentcreatordlg.cpp
index d28a7d054..d68118798 100644
--- a/src/torrentcreator/torrentcreatordlg.cpp
+++ b/src/torrentcreator/torrentcreatordlg.cpp
@@ -74,7 +74,7 @@ void TorrentCreatorDlg::on_addFolder_button_clicked(){
   if(!dir.isEmpty()) {
     settings.setValue("CreateTorrent/last_add_path", dir);
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    dir = dir.replace("/", "\\");
+    dir.replace("/", "\\");
 #endif
     textInputPath->setText(dir);
     // Update piece size
@@ -90,7 +90,7 @@ void TorrentCreatorDlg::on_addFile_button_clicked(){
   if(!file.isEmpty()) {
     settings.setValue("CreateTorrent/last_add_path", misc::removeLastPathPart(file));
 #if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    file = file.replace("/", "\\");
+    file.replace("/", "\\");
 #endif
     textInputPath->setText(file);
     // Update piece size