From b4dca951b24c1140c6276a9811a85ea1984d7ea0 Mon Sep 17 00:00:00 2001
From: sledgehammer999 <hammered999@gmail.com>
Date: Wed, 23 Oct 2013 22:16:23 +0300
Subject: [PATCH] Drop libtorrent 0.15.x support.

---
 .travis.yml                                 |   9 +-
 configure                                   |   4 +-
 src/addnewtorrentdialog.cpp                 |  20 ---
 src/mainwindow.cpp                          |  12 +-
 src/misc.cpp                                |  15 --
 src/misc.h                                  |   4 -
 src/preferences/advancedsettings.h          |  12 +-
 src/preferences/options_imp.cpp             |  14 --
 src/preferences/preferences.h               |   8 -
 src/properties/peerlistwidget.cpp           |   8 -
 src/properties/propertieswidget.cpp         |   4 -
 src/properties/proplistdelegate.h           |   7 +-
 src/qtlibtorrent/qbtsession.cpp             | 175 +-------------------
 src/qtlibtorrent/qbtsession.h               |   2 -
 src/qtlibtorrent/qtorrenthandle.cpp         | 174 +------------------
 src/qtlibtorrent/torrentspeedmonitor.cpp    |   5 -
 src/statusbar.h                             |   8 -
 src/torrentcontentmodel.cpp                 |   4 -
 src/torrentcontentmodelfile.cpp             |   4 -
 src/torrentcreator/torrentcreatorthread.cpp |  20 ---
 src/torrentimportdlg.cpp                    |  12 --
 src/webui/httpconnection.cpp                |   8 -
 src/webui/prefjson.cpp                      |   8 -
 23 files changed, 19 insertions(+), 518 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 7e4ca6134..ade815c6c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,9 @@ language:
 
 env:
   # use libtorrent 0.15.10
-  - lt_source=from_dist gui=true
-  - lt_source=from_dist gui=false
+  # uncomment when Travis doesn't use Ubuntu 12.04 LTS, which has libtorrent 0.15.10 as package
+  #- lt_source=from_dist gui=true
+  #- lt_source=from_dist gui=false
   # use libtorrent 0.16.X from RC_0_16 svn branch
   - lt_source=from_svn gui=true
   - lt_source=from_svn gui=false
@@ -38,7 +39,9 @@ before_install:
   - sudo apt-get -qq update
   # Travis can stall during heavy load if these packages are installed in one step - split the command
   - sudo apt-get -qq install debhelper qconf colormake libssl-dev libgeoip-dev
-  - sudo apt-get -qq install libboost-dev libboost-filesystem-dev libboost-system-dev
+  # uncomment when Travis doesn't use Ubuntu 12.04 LTS, which has libtorrent 0.15.10 as package
+  #- sudo apt-get -qq install libboost-dev libboost-filesystem-dev libboost-system-dev
+  - sudo apt-get -qq install libboost-dev libboost-system-dev
   - sudo apt-get -qq install libqt4-dev 
 
 install:
diff --git a/configure b/configure
index 61350e20b..53c8b8980 100755
--- a/configure
+++ b/configure
@@ -419,11 +419,11 @@ class qc_libtorrent_rasterbar : public ConfObj
 {
 public:
 	qc_libtorrent_rasterbar(Conf *c) : ConfObj(c) {}
-	QString name() const { return "libtorrent-rasterbar >= 0.15.0"; }
+	QString name() const { return "libtorrent-rasterbar >= 0.16.0"; }
 	QString shortname() const { return "libtorrent-rasterbar"; }
 	bool exec(){
 		QStringList incs;
-		QString req_ver = "0.15.0";
+		QString req_ver = "0.16.0";
 		QString version, libs, other;
 		VersionMode mode = VersionMin;
 		if(!conf->findPkgConfig("libtorrent-rasterbar", mode, req_ver, &version, &incs, &libs, &other))
diff --git a/src/addnewtorrentdialog.cpp b/src/addnewtorrentdialog.cpp
index 91343f14e..4ed0994b2 100644
--- a/src/addnewtorrentdialog.cpp
+++ b/src/addnewtorrentdialog.cpp
@@ -213,17 +213,11 @@ bool AddNewTorrentDialog::loadTorrent(const QString& torrent_path, const QString
   ui->date_lbl->setText(m_torrentInfo->creation_date() ? misc::toQString(*m_torrentInfo->creation_date()) : tr("Not available"));
   updateDiskSpaceLabel();
 
-#if LIBTORRENT_VERSION_NUM >= 001600
   file_storage fs = m_torrentInfo->files();
-#endif
 
   // Populate m_filesList
   for (int i = 0; i < m_torrentInfo->num_files(); ++i) {
-#if LIBTORRENT_VERSION_NUM >= 001600
     m_filesPath << misc::toQStringU(fs.file_path(m_torrentInfo->file_at(i)));
-#else
-    m_filesPath << misc::toQStringU(m_torrentInfo->file_at(i).path.string());
-#endif
   }
 
   // Prepare content tree
@@ -245,11 +239,7 @@ bool AddNewTorrentDialog::loadTorrent(const QString& torrent_path, const QString
     ui->content_tree->header()->setResizeMode(0, QHeaderView::Stretch);
   } else {
     // Update save paths (append file name to them)
-#if LIBTORRENT_VERSION_NUM >= 001600
     QString single_file_relpath = misc::toQStringU(fs.file_path(m_torrentInfo->file_at(0)));
-#else
-    QString single_file_relpath = misc::toQStringU(m_torrentInfo->file_at(0).path.string());
-#endif
     for (int i=0; i<ui->save_path_combo->count()-1; ++i) {
       ui->save_path_combo->setItemText(i, fsutils::toDisplayPath(QDir(ui->save_path_combo->itemText(i)).absoluteFilePath(single_file_relpath)));
     }
@@ -674,17 +664,11 @@ void AddNewTorrentDialog::updateMetadata(const QTorrentHandle &h) {
     ui->date_lbl->setText(m_torrentInfo->creation_date() ? misc::toQString(*m_torrentInfo->creation_date()) : tr("Not available"));
     updateDiskSpaceLabel();
 
-#if LIBTORRENT_VERSION_NUM >= 001600
     file_storage fs = m_torrentInfo->files();
-#endif
 
     // Populate m_filesList
     for (int i = 0; i < m_torrentInfo->num_files(); ++i) {
-#if LIBTORRENT_VERSION_NUM >= 001600
       m_filesPath << misc::toQStringU(fs.file_path(m_torrentInfo->file_at(i)));
-#else
-      m_filesPath << misc::toQStringU(m_torrentInfo->file_at(i).path.string());
-#endif
     }
 
     // Prepare content tree
@@ -706,11 +690,7 @@ void AddNewTorrentDialog::updateMetadata(const QTorrentHandle &h) {
       ui->content_tree->header()->setResizeMode(0, QHeaderView::Stretch);
     } else {
       // Update save paths (append file name to them)
-#if LIBTORRENT_VERSION_NUM >= 001600
       QString single_file_relpath = misc::toQStringU(fs.file_path(m_torrentInfo->file_at(0)));
-#else
-      QString single_file_relpath = misc::toQStringU(m_torrentInfo->file_at(0).path.string());
-#endif
       for (int i=0; i<ui->save_path_combo->count()-1; ++i) {
         ui->save_path_combo->setItemText(i, fsutils::toDisplayPath(QDir(ui->save_path_combo->itemText(i)).absoluteFilePath(single_file_relpath)));
       }
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 7ad6a0b49..f54bcc18d 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -620,11 +620,7 @@ void MainWindow::handleDownloadFromUrlFailure(QString url, QString reason) const
 void MainWindow::on_actionSet_global_upload_limit_triggered() {
   qDebug("actionSet_global_upload_limit_triggered");
   bool ok;
-#if LIBTORRENT_VERSION_NUM >= 001600
-    int cur_limit = QBtSession::instance()->getSession()->settings().upload_rate_limit;
-#else
-    int cur_limit = QBtSession::instance()->getSession()->upload_rate_limit();
-#endif
+  int cur_limit = QBtSession::instance()->getSession()->settings().upload_rate_limit;
   const long new_limit = SpeedLimitDialog::askSpeedLimit(&ok, tr("Global Upload Speed Limit"), cur_limit);
   if (ok) {
     qDebug("Setting global upload rate limit to %.1fKb/s", new_limit/1024.);
@@ -639,11 +635,7 @@ void MainWindow::on_actionSet_global_upload_limit_triggered() {
 void MainWindow::on_actionSet_global_download_limit_triggered() {
   qDebug("actionSet_global_download_limit_triggered");
   bool ok;
-#if LIBTORRENT_VERSION_NUM >= 001600
-    int cur_limit = QBtSession::instance()->getSession()->settings().download_rate_limit;
-#else
-    int cur_limit = QBtSession::instance()->getSession()->download_rate_limit();
-#endif
+  int cur_limit = QBtSession::instance()->getSession()->settings().download_rate_limit;
   const long new_limit = SpeedLimitDialog::askSpeedLimit(&ok, tr("Global Download Speed Limit"), cur_limit);
   if (ok) {
     qDebug("Setting global download rate limit to %.1fKb/s", new_limit/1024.);
diff --git a/src/misc.cpp b/src/misc.cpp
index 05b07453a..5f5356ec6 100644
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -504,25 +504,10 @@ QString misc::parseHtmlLinks(const QString &raw_text)
   return result;
 }
 
-#if LIBTORRENT_VERSION_NUM < 001600
-QString misc::toQString(const boost::posix_time::ptime& boostDate) {
-  if (boostDate.is_not_a_date_time()) return "";
-  struct std::tm tm;
-  try {
-    tm = boost::posix_time::to_tm(boostDate);
-  } catch(std::exception e) {
-      return "";
-  }
-  const time_t t = mktime(&tm);
-  const QDateTime dt = QDateTime::fromTime_t(t);
-  return dt.toString(Qt::DefaultLocaleLongDate);
-}
-#else
 QString misc::toQString(time_t t)
 {
   return QDateTime::fromTime_t(t).toString(Qt::DefaultLocaleLongDate);
 }
-#endif
 
 #ifndef DISABLE_GUI
 bool misc::naturalSort(QString left, QString right, bool &result) { // uses lessThan comparison
diff --git a/src/misc.h b/src/misc.h
index 883aef26f..6aeb2db90 100644
--- a/src/misc.h
+++ b/src/misc.h
@@ -107,11 +107,7 @@ namespace misc
   QList<int> intListfromStringList(const QStringList &l);
   QList<bool> boolListfromStringList(const QStringList &l);
 
-#if LIBTORRENT_VERSION_NUM < 001600
-  QString toQString(const boost::posix_time::ptime& boostDate);
-#else
   QString toQString(time_t t);
-#endif
 
 #ifndef DISABLE_GUI
   bool naturalSort(QString left, QString right, bool& result);
diff --git a/src/preferences/advancedsettings.h b/src/preferences/advancedsettings.h
index db030447c..1b7dad66c 100644
--- a/src/preferences/advancedsettings.h
+++ b/src/preferences/advancedsettings.h
@@ -13,11 +13,7 @@
 #include "preferences.h"
 
 enum AdvSettingsCols {PROPERTY, VALUE};
-enum AdvSettingsRows {DISK_CACHE,
-                    #if LIBTORRENT_VERSION_NUM >= 001610
-                      DISK_CACHE_TTL,
-                    #endif
-                      OUTGOING_PORT_MIN, OUTGOING_PORT_MAX, IGNORE_LIMIT_LAN, RECHECK_COMPLETED, LIST_REFRESH, RESOLVE_COUNTRIES, RESOLVE_HOSTS, MAX_HALF_OPEN, SUPER_SEEDING, NETWORK_IFACE, NETWORK_ADDRESS, PROGRAM_NOTIFICATIONS, TRACKER_STATUS, TRACKER_PORT,
+enum AdvSettingsRows {DISK_CACHE, DISK_CACHE_TTL, OUTGOING_PORT_MIN, OUTGOING_PORT_MAX, IGNORE_LIMIT_LAN, RECHECK_COMPLETED, LIST_REFRESH, RESOLVE_COUNTRIES, RESOLVE_HOSTS, MAX_HALF_OPEN, SUPER_SEEDING, NETWORK_IFACE, NETWORK_ADDRESS, PROGRAM_NOTIFICATIONS, TRACKER_STATUS, TRACKER_PORT,
                     #if defined(Q_WS_WIN) || defined(Q_WS_MAC)
                       UPDATE_CHECK,
                     #endif
@@ -37,9 +33,7 @@ private:
   cb_super_seeding, cb_program_notifications, cb_tracker_status, cb_confirm_torrent_deletion,
   cb_enable_tracker_ext;
   QComboBox combo_iface;
-#if LIBTORRENT_VERSION_NUM >= 001610
   QSpinBox spin_cache_ttl;
-#endif
 #if defined(Q_WS_WIN) || defined(Q_WS_MAC)
   QCheckBox cb_update_check;
 #endif
@@ -76,9 +70,7 @@ public slots:
     Preferences pref;
     // Disk write cache
     pref.setDiskCacheSize(spin_cache.value());
-#if LIBTORRENT_VERSION_NUM >= 001610
     pref.setDiskCacheTTL(spin_cache_ttl.value());
-#endif
     // Outgoing ports
     pref.setOutgoingPortsMin(outgoing_ports_min.value());
     pref.setOutgoingPortsMax(outgoing_ports_max.value());
@@ -182,14 +174,12 @@ private slots:
     spin_cache.setValue(pref.diskCacheSize());
     updateCacheSpinSuffix(spin_cache.value());
     setRow(DISK_CACHE, tr("Disk write cache size"), &spin_cache);
-#if LIBTORRENT_VERSION_NUM >= 001610
     // Disk cache expiry
     spin_cache_ttl.setMinimum(15);
     spin_cache_ttl.setMaximum(600);
     spin_cache_ttl.setValue(pref.diskCacheTTL());
     spin_cache_ttl.setSuffix(tr(" s", " seconds"));
     setRow(DISK_CACHE_TTL, tr("Disk cache expiry interval"), &spin_cache_ttl);
-#endif
     // Outgoing port Min
     outgoing_ports_min.setMinimum(0);
     outgoing_ports_min.setMaximum(65535);
diff --git a/src/preferences/options_imp.cpp b/src/preferences/options_imp.cpp
index 15401a9d5..ef28b51e4 100755
--- a/src/preferences/options_imp.cpp
+++ b/src/preferences/options_imp.cpp
@@ -122,10 +122,6 @@ options_imp::options_imp(QWidget *parent):
   checkStartup->setVisible(false);
   groupFileAssociation->setVisible(false);
 #endif
-#if LIBTORRENT_VERSION_NUM < 001600
-  checkAnonymousMode->setVisible(false);
-  label_anonymous->setVisible(false);
-#endif
 
   // Connect signals / slots
   connect(comboProxyType, SIGNAL(currentIndexChanged(int)),this, SLOT(enableProxy(int)));
@@ -208,9 +204,7 @@ options_imp::options_imp(QWidget *parent):
   connect(spinMaxUploads, SIGNAL(valueChanged(QString)), this, SLOT(enableApplyButton()));
   connect(spinMaxUploadsPerTorrent, SIGNAL(valueChanged(QString)), this, SLOT(enableApplyButton()));
   connect(checkDHT, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
-#if LIBTORRENT_VERSION_NUM >= 001600
   connect(checkAnonymousMode, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
-#endif
   connect(checkPeX, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
   connect(checkDifferentDHTPort, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
   connect(spinDHTPort, SIGNAL(valueChanged(QString)), this, SLOT(enableApplyButton()));
@@ -254,10 +248,6 @@ options_imp::options_imp(QWidget *parent):
   applyButton->setEnabled(false);
   // Tab selection mecanism
   connect(tabSelection, SIGNAL(currentItemChanged(QListWidgetItem *, QListWidgetItem *)), this, SLOT(changePage(QListWidgetItem *, QListWidgetItem*)));
-#if LIBTORRENT_VERSION_NUM < 001600
-  checkuTP->setVisible(false);
-  checkLimituTPConnections->setVisible(false);
-#endif
   // Load Advanced settings
   QVBoxLayout *adv_layout = new QVBoxLayout();
   advancedSettings = new AdvancedSettings();
@@ -459,9 +449,7 @@ void options_imp::saveOptions() {
   pref.setDHTPort(getDHTPort());
   pref.setLSDEnabled(isLSDEnabled());
   pref.setEncryptionSetting(getEncryptionSetting());
-#if LIBTORRENT_VERSION_NUM >= 001600
   pref.enableAnonymousMode(checkAnonymousMode->isChecked());
-#endif
   pref.setGlobalMaxRatio(getMaxRatio());
   pref.setMaxRatioAction(comboRatioLimitAct->currentIndex());
   // End Bittorrent preferences
@@ -745,11 +733,9 @@ void options_imp::loadOptions() {
   checkPeX->setChecked(pref.isPeXEnabled());
   checkLSD->setChecked(pref.isLSDEnabled());
   comboEncryption->setCurrentIndex(pref.getEncryptionSetting());
-#if LIBTORRENT_VERSION_NUM >= 001600
   checkAnonymousMode->setChecked(pref.isAnonymousModeEnabled());
   /* make sure ui matches options */
   toggleAnonymousMode(checkAnonymousMode->isChecked());
-#endif
   // Ratio limit
   floatValue = pref.getGlobalMaxRatio();
   if (floatValue >= 0.) {
diff --git a/src/preferences/preferences.h b/src/preferences/preferences.h
index 5a44ab7d4..f5606b27a 100755
--- a/src/preferences/preferences.h
+++ b/src/preferences/preferences.h
@@ -976,18 +976,13 @@ public:
   }
 
   uint diskCacheSize() const {
-#if LIBTORRENT_VERSION_NUM >= 001610
     return value(QString::fromUtf8("Preferences/Downloads/DiskWriteCacheSize"), 0).toUInt();
-#else
-    return value(QString::fromUtf8("Preferences/Downloads/DiskWriteCacheSize"), 128).toUInt();
-#endif
   }
 
   void setDiskCacheSize(uint size) {
     setValue(QString::fromUtf8("Preferences/Downloads/DiskWriteCacheSize"), size);
   }
 
-#if LIBTORRENT_VERSION_NUM >= 001610
   uint diskCacheTTL() const {
     return value(QString::fromUtf8("Preferences/Downloads/DiskWriteCacheTTL"), 60).toUInt();
   }
@@ -995,7 +990,6 @@ public:
   void setDiskCacheTTL(uint ttl) {
     setValue(QString::fromUtf8("Preferences/Downloads/DiskWriteCacheTTL"), ttl);
   }
-#endif
 
   uint outgoingPortsMin() const {
     return value(QString::fromUtf8("Preferences/Advanced/OutgoingPortsMin"), 0).toUInt();
@@ -1105,7 +1099,6 @@ public:
     return value(QString::fromUtf8("Preferences/Connection/InetAddress"), QString()).toString();
   }
 
-#if LIBTORRENT_VERSION_NUM >= 001600
   bool isAnonymousModeEnabled() const {
     return value(QString::fromUtf8("Preferences/Advanced/AnonymousMode"), false).toBool();
   }
@@ -1113,7 +1106,6 @@ public:
   void enableAnonymousMode(bool enabled) {
     setValue(QString::fromUtf8("Preferences/Advanced/AnonymousMode"), enabled);
   }
-#endif
 
   bool isSuperSeedingEnabled() const {
     return value(QString::fromUtf8("Preferences/Advanced/SuperSeeding"), false).toBool();
diff --git a/src/properties/peerlistwidget.cpp b/src/properties/peerlistwidget.cpp
index dad6e8d76..6f64aa1ea 100644
--- a/src/properties/peerlistwidget.cpp
+++ b/src/properties/peerlistwidget.cpp
@@ -238,12 +238,10 @@ void PeerListWidget::limitUpRateSelectedPeers(const QStringList& peer_ips)
 
   bool ok = false;
   int cur_limit = -1;
-#if LIBTORRENT_VERSION_NUM >= 001600
   boost::asio::ip::tcp::endpoint first_ep = m_peerEndpoints.value(peer_ips.first(),
                                                                   boost::asio::ip::tcp::endpoint());
   if (first_ep != boost::asio::ip::tcp::endpoint())
     cur_limit = h.get_peer_upload_limit(first_ep);
-#endif
   long limit = SpeedLimitDialog::askSpeedLimit(&ok,
                                                tr("Upload rate limiting"),
                                                cur_limit,
@@ -273,12 +271,10 @@ void PeerListWidget::limitDlRateSelectedPeers(const QStringList& peer_ips)
     return;
   bool ok = false;
   int cur_limit = -1;
-#if LIBTORRENT_VERSION_NUM >= 001600
   boost::asio::ip::tcp::endpoint first_ep = m_peerEndpoints.value(peer_ips.first(),
                                                                   boost::asio::ip::tcp::endpoint());
   if (first_ep != boost::asio::ip::tcp::endpoint())
     cur_limit = h.get_peer_download_limit(first_ep);
-#endif
   long limit = SpeedLimitDialog::askSpeedLimit(&ok, tr("Download rate limiting"), cur_limit, Preferences().getGlobalDownloadLimit()*1024.);
   if (!ok)
     return;
@@ -435,12 +431,10 @@ QString PeerListWidget::getConnectionString(int connection_type)
 {
   QString connection;
   switch(connection_type) {
-#if LIBTORRENT_VERSION_NUM >= 001600
   case peer_info::bittorrent_utp:
     connection = "uTP";
     break;
   case peer_info::http_seed:
-#endif
   case peer_info::web_seed:
     connection = "Web";
     break;
@@ -506,11 +500,9 @@ QString PeerListWidget::getFlags(const peer_info& peer)
   if (peer.flags & peer_info::plaintext_encrypted)
     flags += "e ";
 
-#if LIBTORRENT_VERSION_NUM > 001500
   //P = Peer is using uTorrent uTP
   if (peer.connection_type & peer_info::bittorrent_utp)
     flags += "P ";
-#endif
 
   //L = Peer is local
   if (peer.source & peer_info::lsd)
diff --git a/src/properties/propertieswidget.cpp b/src/properties/propertieswidget.cpp
index 7c32dcf7d..82016ebd5 100644
--- a/src/properties/propertieswidget.cpp
+++ b/src/properties/propertieswidget.cpp
@@ -453,11 +453,7 @@ void PropertiesWidget::displayFilesListMenu(const QPoint&) {
     myFilesLlistMenu.addSeparator();
   }
   QMenu subMenu;
-#if LIBTORRENT_VERSION_NUM >= 001600
   if (!h.status(0x0).is_seeding) {
-#else
-  if (!static_cast<torrent_handle>(h).is_seed()) {
-#endif
     subMenu.setTitle(tr("Priority"));
     subMenu.addAction(actionNot_downloaded);
     subMenu.addAction(actionNormal);
diff --git a/src/properties/proplistdelegate.h b/src/properties/proplistdelegate.h
index 30855f16b..3b03b41fb 100644
--- a/src/properties/proplistdelegate.h
+++ b/src/properties/proplistdelegate.h
@@ -159,11 +159,8 @@ public:
     if (index.column() != PRIORITY) return 0;
     if (properties) {
       QTorrentHandle h = properties->getCurrentTorrent();
-#if LIBTORRENT_VERSION_NUM >= 001600
-      if (!h.is_valid() || !h.has_metadata() || h.status(0x0).is_seeding) return 0;
-#else
-      if (!h.is_valid() || !h.has_metadata() || static_cast<libtorrent::torrent_handle>(h).is_seed()) return 0;
-#endif
+      if (!h.is_valid() || !h.has_metadata() || h.status(0x0).is_seeding)
+        return 0;
     }
     if (index.data().toInt() <= 0) {
       // IGNORED or MIXED
diff --git a/src/qtlibtorrent/qbtsession.cpp b/src/qtlibtorrent/qbtsession.cpp
index ad5b06ec9..c22cbcd12 100755
--- a/src/qtlibtorrent/qbtsession.cpp
+++ b/src/qtlibtorrent/qbtsession.cpp
@@ -69,14 +69,7 @@
 #include <libtorrent/torrent_info.hpp>
 #include <libtorrent/upnp.hpp>
 #include <libtorrent/natpmp.hpp>
-#if LIBTORRENT_VERSION_NUM < 001600
-#include <boost/filesystem/exception.hpp>
-#include <boost/filesystem.hpp>
-#include <boost/filesystem/fstream.hpp>
-#endif
-#if LIBTORRENT_VERSION_NUM >= 001600
-#include "libtorrent/error_code.hpp"
-#endif
+#include <libtorrent/error_code.hpp>
 #include <queue>
 #include <string.h>
 #include "dnsupdater.h"
@@ -120,10 +113,6 @@ QBtSession::QBtSession()
   BigRatioTimer->setInterval(10000);
   connect(BigRatioTimer, SIGNAL(timeout()), SLOT(processBigRatios()));
   Preferences pref;
-#if LIBTORRENT_VERSION_NUM < 001600
-  // To avoid some exceptions
-  boost::filesystem::path::default_name_check(boost::filesystem::no_check);
-#endif
   // Creating Bittorrent session
   QList<int> version;
   version << VERSION_MAJOR;
@@ -398,10 +387,8 @@ void QBtSession::configureSession() {
 
   sessionSettings.upnp_ignore_nonrouters = true;
   sessionSettings.use_dht_as_fallback = false;
-#if LIBTORRENT_VERSION_NUM >= 001600
   // Disable support for SSL torrents for now
   sessionSettings.ssl_listen = 0;
-#endif
   // To prevent ISPs from blocking seeding
   sessionSettings.lazy_bitfields = true;
   // Speed up exit
@@ -414,18 +401,14 @@ void QBtSession::configureSession() {
   sessionSettings.auto_scrape_min_interval = 900; // 15 minutes
   int cache_size = pref.diskCacheSize();
   sessionSettings.cache_size = cache_size ? cache_size * 64 : -1;
-#if LIBTORRENT_VERSION_NUM >= 001610
   sessionSettings.cache_expiry = pref.diskCacheTTL();
-#endif
   qDebug() << "Using a disk cache size of" << cache_size << "MiB";
-#if LIBTORRENT_VERSION_NUM >= 001600
   sessionSettings.anonymous_mode = pref.isAnonymousModeEnabled();
   if (sessionSettings.anonymous_mode) {
     addConsoleMessage(tr("Anonymous mode [ON]"), "blue");
   } else {
     addConsoleMessage(tr("Anonymous mode [OFF]"), "blue");
   }
-#endif
   // Queueing System
   if (pref.isQueueingSystemEnabled()) {
     int max_downloading = pref.getMaxActiveDownloads();
@@ -456,36 +439,16 @@ void QBtSession::configureSession() {
   sessionSettings.rate_limit_ip_overhead = pref.includeOverheadInLimits();
   // IP address to announce to trackers
   QString announce_ip = pref.getNetworkAddress();
-  if (!announce_ip.isEmpty()) {
-#if LIBTORRENT_VERSION_NUM >= 001600
+  if (!announce_ip.isEmpty())
     sessionSettings.announce_ip = announce_ip.toStdString();
-#else
-    boost::system::error_code ec;
-    boost::asio::ip::address addr = boost::asio::ip::address::from_string(announce_ip.toStdString(), ec);
-    if (!ec) {
-      addConsoleMessage(tr("Reporting IP address %1 to trackers...").arg(announce_ip));
-      sessionSettings.announce_ip = addr;
-    }
-#endif
-  }
   // Super seeding
   sessionSettings.strict_super_seeding = pref.isSuperSeedingEnabled();
-#if LIBTORRENT_VERSION_NUM >= 001600
   // * Max Half-open connections
   sessionSettings.half_open_limit = pref.getMaxHalfOpenConnections();
   // * Max connections limit
   sessionSettings.connections_limit = pref.getMaxConnecs();
   // * Global max upload slots
   sessionSettings.unchoke_slots_limit = pref.getMaxUploads();
-#else
-  // * Max Half-open connections
-  s->set_max_half_open_connections(pref.getMaxHalfOpenConnections());
-  // * Max connections limit
-  setMaxConnections(pref.getMaxConnecs());
-  // * Global max upload slots
-  s->set_max_uploads(pref.getMaxUploads());
-#endif
-#if LIBTORRENT_VERSION_NUM >= 001600
   // uTP
   sessionSettings.enable_incoming_utp = pref.isuTPEnabled();
   sessionSettings.enable_outgoing_utp = pref.isuTPEnabled();
@@ -493,7 +456,6 @@ void QBtSession::configureSession() {
   sessionSettings.rate_limit_utp = pref.isuTPRateLimited();
   sessionSettings.mixed_mode_algorithm = session_settings::peer_proportional;
   sessionSettings.connection_speed = 20; //default is 10
-#endif
   qDebug() << "Settings SessionSettings";
   setSessionSettings(sessionSettings);
   // Bittorrent
@@ -1145,21 +1107,6 @@ QTorrentHandle QBtSession::addTorrent(QString path, bool fromScanDir, QString fr
       qDebug("Successfully loaded fast resume data");
     }
   }
-#if LIBTORRENT_VERSION_NUM < 001600
-  else {
-    // Generate fake resume data to make sure unwanted files
-    // are not allocated
-    if (preAllocateAll) {
-      vector<int> fp;
-      TorrentTempData::getFilesPriority(hash, fp);
-      if ((int)fp.size() == t->num_files()) {
-        entry rd = generateFilePriorityResumeData(t, fp);
-        bencode(std::back_inserter(buf), rd);
-        p.resume_data = &buf;
-      }
-    }
-  }
-#endif
 
   recoverPersistentData(hash, buf);
   QString savePath;
@@ -1279,8 +1226,7 @@ void QBtSession::initializeAddTorrentParams(const QString &hash, add_torrent_par
     p.storage_mode = storage_mode_sparse;
 
   // Priorities
-/*#if LIBTORRENT_VERSION_NUM >= 001600
-  if (TorrentTempData::hasTempData(hash)) {
+/*if (TorrentTempData::hasTempData(hash)) {
     std::vector<int> fp;
     TorrentTempData::getFilesPriority(hash, fp);
     if (!fp.empty()) {
@@ -1290,8 +1236,7 @@ void QBtSession::initializeAddTorrentParams(const QString &hash, add_torrent_par
       }
       p.file_priorities = fp_conv;
     }
-  }
-#endif*/
+  }*/
 
   // Start in pause
   p.paused = true;
@@ -1394,7 +1339,6 @@ void QBtSession::mergeTorrents(QTorrentHandle &h_ex, boost::intrusive_ptr<torren
 
   bool urlseeds_added = false;
   const QStringList old_urlseeds = h_ex.url_seeds();
-#if LIBTORRENT_VERSION_NUM >= 001600
   std::vector<web_seed_entry> new_urlseeds = t->web_seeds();
 
   std::vector<web_seed_entry>::iterator it = new_urlseeds.begin();
@@ -1406,19 +1350,6 @@ void QBtSession::mergeTorrents(QTorrentHandle &h_ex, boost::intrusive_ptr<torren
       h_ex.add_url_seed(new_url);
     }
   }
-#else
-  std::vector<std::string> new_urlseeds = t->url_seeds();
-
-  std::vector<std::string>::iterator it = new_urlseeds.begin();
-  std::vector<std::string>::iterator itend = new_urlseeds.end();
-  for ( ; it != itend; ++it) {
-    const QString new_url = misc::toQString(it->c_str());
-    if (!old_urlseeds.contains(new_url)) {
-      urlseeds_added = true;
-      h_ex.add_url_seed(new_url);
-    }
-  }
-#endif
   if (urlseeds_added)
     addConsoleMessage(tr("Note: new URL seeds were added to the existing torrent."));
 }
@@ -1462,17 +1393,6 @@ void QBtSession::exportTorrentFiles(QString path) {
   }
 }
 
-// Set the maximum number of opened connections
-void QBtSession::setMaxConnections(int maxConnec) {
-#if LIBTORRENT_VERSION_NUM >= 001600
-  Q_UNUSED(maxConnec);
-  Q_ASSERT(0); // Should not be used
-#else
-  qDebug() << Q_FUNC_INFO << maxConnec;
-  s->set_max_connections(maxConnec);
-#endif
-}
-
 void QBtSession::setMaxConnectionsPerTorrent(int max) {
   qDebug() << Q_FUNC_INFO << max;
   // Apply this to all session torrents
@@ -1563,15 +1483,10 @@ void QBtSession::loadSessionState() {
   state_file.read(&in[0], content_size);
   // bdecode
   lazy_entry e;
-#if LIBTORRENT_VERSION_NUM >= 001600
   libtorrent::error_code ec;
   lazy_bdecode(&in[0], &in[0] + in.size(), e, ec);
-  if (!ec) {
-#else
-  if (lazy_bdecode(&in[0], &in[0] + in.size(), e) == 0) {
-#endif
+  if (!ec)
     s->load_state(e);
-  }
 }
 
 void QBtSession::saveSessionState() {
@@ -1653,9 +1568,7 @@ void QBtSession::saveTempFastResumeData() {
     QTorrentHandle h = QTorrentHandle(*torrentIT);
     try {
       if (!h.is_valid() || !h.has_metadata() /*|| h.is_seed() || h.is_paused()*/) continue;
-#if LIBTORRENT_VERSION_NUM >= 001600
       if (!h.need_save_resume_data()) continue;
-#endif
       if (h.state() == torrent_status::checking_files || h.state() == torrent_status::queued_for_checking || h.has_error()) continue;
       qDebug("Saving fastresume data for %s", qPrintable(h.name()));
       h.save_resume_data();
@@ -1948,17 +1861,11 @@ void QBtSession::setListeningPort(int port) {
   qDebug() << Q_FUNC_INFO << port;
   Preferences pref;
   std::pair<int,int> ports(port, port);
-#if LIBTORRENT_VERSION_NUM >= 001600
   libtorrent::error_code ec;
-#endif
   const QString iface_name = pref.getNetworkInterface();
   if (iface_name.isEmpty()) {
     addConsoleMessage(tr("qBittorrent is trying to listen on any interface port: TCP/%1", "e.g: qBittorrent is trying to listen on any interface port: TCP/6881").arg(QString::number(port)), "blue");
-#if LIBTORRENT_VERSION_NUM >= 001600
     s->listen_on(ports, ec, 0, session::listen_no_system_port);
-#else
-    s->listen_on(ports);
-#endif
     return;
   }
   // Attempt to listen on provided interface
@@ -1972,12 +1879,8 @@ void QBtSession::setListeningPort(int port) {
   qDebug("This network interface has %d IP addresses", network_iface.addressEntries().size());
   foreach (const QNetworkAddressEntry &entry, network_iface.addressEntries()) {
     qDebug("Trying to listen on IP %s (%s)", qPrintable(entry.ip().toString()), qPrintable(iface_name));
-#if LIBTORRENT_VERSION_NUM >= 001600
     s->listen_on(ports, ec, entry.ip().toString().toAscii().constData(), session::listen_no_system_port);
     if (!ec) {
-#else
-    if (s->listen_on(ports, entry.ip().toString().toAscii().constData())) {
-#endif
       ip = entry.ip().toString();
       addConsoleMessage(tr("qBittorrent is trying to listen on interface %1 port: TCP/%2", "e.g: qBittorrent is trying to listen on interface 192.168.0.1 port: TCP/6881").arg(ip).arg(QString::number(port)), "blue");
       break;
@@ -1990,13 +1893,9 @@ void QBtSession::setListeningPort(int port) {
 void QBtSession::setDownloadRateLimit(long rate) {
   qDebug() << Q_FUNC_INFO << rate;
   Q_ASSERT(rate == -1 || rate >= 0);
-#if LIBTORRENT_VERSION_NUM >= 001600
   session_settings settings = s->settings();
   settings.download_rate_limit = rate;
   s->set_settings(settings);
-#else
-  s->set_download_rate_limit(rate);
-#endif
 }
 
 // Set upload rate limit
@@ -2004,13 +1903,9 @@ void QBtSession::setDownloadRateLimit(long rate) {
 void QBtSession::setUploadRateLimit(long rate) {
   qDebug() << Q_FUNC_INFO << rate;
   Q_ASSERT(rate == -1 || rate >= 0);
-#if LIBTORRENT_VERSION_NUM >= 001600
   session_settings settings = s->settings();
   settings.upload_rate_limit = rate;
   s->set_settings(settings);
-#else
-  s->set_upload_rate_limit(rate);
-#endif
 }
 
 // Torrents will a ratio superior to the given value will
@@ -2112,18 +2007,8 @@ void QBtSession::setSessionSettings(const session_settings &sessionSettings) {
 void QBtSession::setProxySettings(proxy_settings proxySettings) {
   qDebug() << Q_FUNC_INFO;
 
-#if LIBTORRENT_VERSION_NUM >= 001600
   proxySettings.proxy_peer_connections = Preferences().proxyPeerConnections();
   s->set_proxy(proxySettings);
-#else
-  s->set_tracker_proxy(proxySettings);
-  proxy_settings peer_proxy;
-  if (Preferences().proxyPeerConnections())
-    peer_proxy = proxySettings;
-  s->set_peer_proxy(peer_proxy);
-  s->set_web_seed_proxy(peer_proxy);
-  s->set_dht_proxy(peer_proxy);
-#endif
 
   // Define environment variable
   QString proxy_str;
@@ -2905,65 +2790,15 @@ void QBtSession::handleIPFilterError()
   emit ipFilterParsed(true, 0);
 }
 
-entry QBtSession::generateFilePriorityResumeData(boost::intrusive_ptr<torrent_info> &t, const std::vector<int> &fp)
-{
-  entry::dictionary_type rd;
-  rd["file-format"] = "libtorrent resume file";
-  rd["file-version"] = 1;
-  rd["libtorrent-version"] = LIBTORRENT_VERSION;
-  rd["allocation"] = "full";
-  sha1_hash info_hash = t->info_hash();
-  rd["info-hash"] = std::string((char*)info_hash.begin(), (char*)info_hash.end());
-  // Priorities
-  entry::list_type priorities;
-  for (uint i=0; i<fp.size(); ++i) {
-    priorities.push_back(entry(fp[i]));
-  }
-  rd["file_priority"] = entry(priorities);
-  // files sizes (useless but required)
-  entry::list_type sizes;
-  for (int i=0; i<t->num_files(); ++i) {
-    entry::list_type p;
-    p.push_back(entry(0));
-    p.push_back(entry(0));
-    sizes.push_back(entry(p));
-  }
-  rd["file sizes"] = entry(sizes);
-  // Slots
-  entry::list_type tslots;
-  for (int i=0; i<t->num_pieces(); ++i) {
-    tslots.push_back(-1);
-  }
-  rd["slots"] = entry(tslots);
-
-  entry::string_type pieces;
-  pieces.resize(t->num_pieces());
-  std::memset(&pieces[0], 0, pieces.size());
-  rd["pieces"] = entry(pieces);
-
-  entry ret(rd);
-  Q_ASSERT(ret.type() == entry::dictionary_t);
-  return ret;
-}
-
 void QBtSession::recoverPersistentData(const QString &hash, const std::vector<char> &buf) {
   if (TorrentPersistentData::isKnownTorrent(hash) || TorrentTempData::hasTempData(hash) || buf.empty())
     return;
 
   libtorrent::lazy_entry fast;
-#if LIBTORRENT_VERSION_NUM < 001600
-  try {
-  libtorrent::lazy_bdecode(&(buf.front()), &(buf.back()), fast);
-  } catch (std::exception&) {
-      return;
-    }
-  if (fast.type() != libtorrent::lazy_entry::dict_t)
-#else
   libtorrent::error_code ec;
 
   libtorrent::lazy_bdecode(&(buf.front()), &(buf.back()), fast, ec);
   if (fast.type() != libtorrent::lazy_entry::dict_t && !ec)
-#endif
     return;
 
   QString savePath = QString::fromUtf8(fast.dict_find_string_value("qBt-savePath").c_str());
diff --git a/src/qtlibtorrent/qbtsession.h b/src/qtlibtorrent/qbtsession.h
index 0ce181c7b..e2b1fd30c 100755
--- a/src/qtlibtorrent/qbtsession.h
+++ b/src/qtlibtorrent/qbtsession.h
@@ -134,7 +134,6 @@ public slots:
   void downloadUrlAndSkipDialog(QString url, QString save_path=QString(), QString label=QString(), const QList<QNetworkCookie>& cookies = QList<QNetworkCookie>());
   // Session configuration - Setters
   void setListeningPort(int port);
-  void setMaxConnections(int maxConnec);
   void setMaxConnectionsPerTorrent(int max);
   void setMaxUploadsPerTorrent(int max);
   void setDownloadRateLimit(long rate);
@@ -183,7 +182,6 @@ private:
   void loadTorrentSettings(QTorrentHandle &h);
   void loadTorrentTempData(QTorrentHandle &h, QString savePath, bool magnet);
   void initializeAddTorrentParams(const QString &hash, libtorrent::add_torrent_params &p);
-  libtorrent::entry generateFilePriorityResumeData(boost::intrusive_ptr<libtorrent::torrent_info> &t, const std::vector<int> &fp);
   void updateRatioTimer();
   void recoverPersistentData(const QString &hash, const std::vector<char> &buf);
   void backupPersistentData(const QString &hash, boost::shared_ptr<libtorrent::entry> data);
diff --git a/src/qtlibtorrent/qtorrenthandle.cpp b/src/qtlibtorrent/qtorrenthandle.cpp
index 19e12e247..0c55244e6 100644
--- a/src/qtlibtorrent/qtorrenthandle.cpp
+++ b/src/qtlibtorrent/qtorrenthandle.cpp
@@ -44,9 +44,6 @@
 #include <libtorrent/torrent_info.hpp>
 #include <libtorrent/bencode.hpp>
 #include <libtorrent/entry.hpp>
-#if LIBTORRENT_VERSION_NUM < 001600
-#include <boost/date_time/posix_time/posix_time_types.hpp>
-#endif
 
 #ifdef Q_WS_WIN
 #include <Windows.h>
@@ -93,37 +90,20 @@ QString QTorrentHandle::name() const {
 }
 
 QString QTorrentHandle::creation_date() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   boost::optional<time_t> t = torrent_handle::get_torrent_info().creation_date();
   return t ? misc::toQString(*t) : "";
-#else
-  boost::optional<boost::posix_time::ptime> boostDate = torrent_handle::get_torrent_info().creation_date();
-  return boostDate ? misc::toQString(*boostDate) : "";
-#endif
 }
 
 QString QTorrentHandle::next_announce() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return misc::userFriendlyDuration(torrent_handle::status(0x0).next_announce.total_seconds());
-#else
-  return misc::userFriendlyDuration(torrent_handle::status().next_announce.total_seconds());
-#endif
 }
 
 qlonglong QTorrentHandle::next_announce_s() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).next_announce.total_seconds();
-#else
-  return torrent_handle::status().next_announce.total_seconds();
-#endif
 }
 
 float QTorrentHandle::progress() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   torrent_status st = torrent_handle::status(query_accurate_download_counters);
-#else
-  torrent_status st = torrent_handle::status();
-#endif
   if (!st.total_wanted)
     return 0.;
   if (st.total_wanted_done == st.total_wanted)
@@ -134,37 +114,21 @@ float QTorrentHandle::progress() const {
 }
 
 bitfield QTorrentHandle::pieces() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(torrent_handle::query_pieces).pieces;
-#else
-  return torrent_handle::status().pieces;
-#endif
 }
 
 QString QTorrentHandle::current_tracker() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return misc::toQString(torrent_handle::status(0x0).current_tracker);
-#else
-  return misc::toQString(torrent_handle::status().current_tracker);
-#endif
 }
 
 bool QTorrentHandle::is_paused() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   torrent_status st = torrent_handle::status(0x0);
   return st.paused && !st.auto_managed;
-#else
-  return torrent_handle::is_paused() && !torrent_handle::is_auto_managed();
-#endif
 }
 
 bool QTorrentHandle::is_queued() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   torrent_status st = torrent_handle::status(0x0);
   return st.paused && st.auto_managed;
-#else
-  return torrent_handle::is_paused() && torrent_handle::is_auto_managed();
-#endif
 }
 
 size_type QTorrentHandle::total_size() const {
@@ -185,11 +149,7 @@ bool QTorrentHandle::first_last_piece_first() const {
   // Get int first media file
   int index = 0;
   for (index = 0; index < t.num_files(); ++index) {
-#if LIBTORRENT_VERSION_NUM >= 001600
     QString path = misc::toQStringU(t.file_at(index).path);
-#else
-    QString path = misc::toQStringU(t.file_at(index).path.string());
-#endif
     const QString ext = fsutils::fileExtension(path);
     if (misc::isPreviewable(ext) && torrent_handle::file_priority(index) > 0)
       break;
@@ -206,75 +166,39 @@ bool QTorrentHandle::first_last_piece_first() const {
 }
 
 size_type QTorrentHandle::total_wanted_done() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(query_accurate_download_counters).total_wanted_done;
-#else
-  return torrent_handle::status().total_wanted_done;
-#endif
 }
 
 size_type QTorrentHandle::total_wanted() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).total_wanted;
-#else
-  return torrent_handle::status().total_wanted;
-#endif
 }
 
 qreal QTorrentHandle::download_payload_rate() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).download_payload_rate;
-#else
-  return torrent_handle::status().download_payload_rate;
-#endif
 }
 
 qreal QTorrentHandle::upload_payload_rate() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).upload_payload_rate;
-#else
-  return torrent_handle::status().upload_payload_rate;
-#endif
 }
 
 int QTorrentHandle::num_peers() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).num_peers;
-#else
-  return torrent_handle::status().num_peers;
-#endif
 }
 
 int QTorrentHandle::num_seeds() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).num_seeds;
-#else
-  return torrent_handle::status().num_seeds;
-#endif
 }
 
 int QTorrentHandle::num_complete() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).num_complete;
-#else
-  return torrent_handle::status().num_complete;
-#endif
 }
 
 int QTorrentHandle::num_incomplete() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).num_incomplete;
-#else
-  return torrent_handle::status().num_incomplete;
-#endif
 }
 
 QString QTorrentHandle::save_path() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return misc::toQStringU(torrent_handle::save_path()).replace("\\", "/");
-#else
-  return misc::toQStringU(torrent_handle::save_path().string()).replace("\\", "/");
-#endif
 }
 
 QString QTorrentHandle::save_path_parsed() const {
@@ -311,11 +235,7 @@ QStringList QTorrentHandle::url_seeds() const {
 
 // get the size of the torrent without the filtered files
 size_type QTorrentHandle::actual_size() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(query_accurate_download_counters).total_wanted;
-#else
-  return torrent_handle::status().total_wanted;
-#endif
 }
 
 bool QTorrentHandle::has_filtered_pieces() const {
@@ -333,11 +253,7 @@ int QTorrentHandle::num_files() const {
 
 QString QTorrentHandle::filename_at(unsigned int index) const {
   Q_ASSERT(index < (unsigned int)torrent_handle::get_torrent_info().num_files());
-#if LIBTORRENT_VERSION_NUM >= 001600
   return fsutils::fileName(filepath_at(index));
-#else
-  return misc::toQStringU(torrent_handle::get_torrent_info().file_at(index).path.leaf());
-#endif
 }
 
 size_type QTorrentHandle::filesize_at(unsigned int index) const {
@@ -346,27 +262,15 @@ size_type QTorrentHandle::filesize_at(unsigned int index) const {
 }
 
 QString QTorrentHandle::filepath_at(unsigned int index) const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return misc::toQStringU(torrent_handle::get_torrent_info().file_at(index).path);
-#else
-  return misc::toQStringU(torrent_handle::get_torrent_info().file_at(index).path.string());
-#endif
 }
 
 QString QTorrentHandle::orig_filepath_at(unsigned int index) const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return misc::toQStringU(torrent_handle::get_torrent_info().orig_files().at(index).path);
-#else
-  return misc::toQStringU(torrent_handle::get_torrent_info().orig_files().at(index).path.string());
-#endif
 }
 
 torrent_status::state_t QTorrentHandle::state() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).state;
-#else
-  return torrent_handle::status().state;
-#endif
 }
 
 QString QTorrentHandle::creator() const {
@@ -378,68 +282,36 @@ QString QTorrentHandle::comment() const {
 }
 
 size_type QTorrentHandle::total_failed_bytes() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).total_failed_bytes;
-#else
-  return torrent_handle::status().total_failed_bytes;
-#endif
 }
 
 size_type QTorrentHandle::total_redundant_bytes() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).total_redundant_bytes;
-#else
-  return torrent_handle::status().total_redundant_bytes;
-#endif
 }
 
 bool QTorrentHandle::is_checking() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   torrent_status st = torrent_handle::status(0x0);
-#else
-  torrent_status st = torrent_handle::status();
-#endif
   return st.state == torrent_status::checking_files || st.state == torrent_status::checking_resume_data;
 }
 
 size_type QTorrentHandle::total_done() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(query_accurate_download_counters).total_done;
-#else
-  return torrent_handle::status().total_done;
-#endif
 }
 
 size_type QTorrentHandle::all_time_download() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).all_time_download;
-#else
-  return torrent_handle::status().all_time_download;
-#endif
 }
 
 size_type QTorrentHandle::all_time_upload() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).all_time_upload;
-#else
-  return torrent_handle::status().all_time_upload;
-#endif
 }
 
 size_type QTorrentHandle::total_payload_download() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).total_payload_download;
-#else
-  return torrent_handle::status().total_payload_download;
-#endif
 }
 
 size_type QTorrentHandle::total_payload_upload() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).total_payload_upload;
-#else
-  return torrent_handle::status().total_payload_upload;
-#endif
 }
 
 // Return a list of absolute paths corresponding
@@ -482,11 +354,7 @@ int QTorrentHandle::queue_position() const {
 }
 
 int QTorrentHandle::num_uploads() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).num_uploads;
-#else
-  return torrent_handle::status().num_uploads;
-#endif
 }
 
 bool QTorrentHandle::is_seed() const {
@@ -500,53 +368,29 @@ bool QTorrentHandle::is_seed() const {
 }
 
 bool QTorrentHandle::is_auto_managed() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   torrent_status status = torrent_handle::status(0x0);
   return status.auto_managed;
-#else
-  return torrent_handle::is_auto_managed();
-#endif
 }
 
 bool QTorrentHandle::is_sequential_download() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   torrent_status status = torrent_handle::status(0x0);
   return status.sequential_download;
-#else
-  return torrent_handle::is_sequential_download();
-#endif
 }
 
 qlonglong QTorrentHandle::active_time() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).active_time;
-#else
-  return torrent_handle::status().active_time;
-#endif
 }
 
 qlonglong QTorrentHandle::seeding_time() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).seeding_time;
-#else
-  return torrent_handle::status().seeding_time;
-#endif
 }
 
 int QTorrentHandle::num_connections() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).num_connections;
-#else
-  return torrent_handle::status().num_connections;
-#endif
 }
 
 int QTorrentHandle::connections_limit() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).connections_limit;
-#else
-  return torrent_handle::status().connections_limit;
-#endif
 }
 
 bool QTorrentHandle::priv() const {
@@ -580,20 +424,12 @@ QString QTorrentHandle::root_path() const
 }
 
 bool QTorrentHandle::has_error() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   torrent_status st = torrent_handle::status(0x0);
   return st.paused && !st.error.empty();
-#else
-  return torrent_handle::is_paused() && !torrent_handle::status().error.empty();
-#endif
 }
 
 QString QTorrentHandle::error() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return misc::toQString(torrent_handle::status(0x0).error);
-#else
-  return misc::toQString(torrent_handle::status().error);
-#endif
 }
 
 void QTorrentHandle::downloading_pieces(bitfield &bf) const {
@@ -609,19 +445,11 @@ void QTorrentHandle::downloading_pieces(bitfield &bf) const {
 }
 
 bool QTorrentHandle::has_metadata() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
   return torrent_handle::status(0x0).has_metadata;
-#else
-  return torrent_handle::has_metadata();
-#endif
 }
 
 float QTorrentHandle::distributed_copies() const {
-#if LIBTORRENT_VERSION_NUM >= 001600
-return torrent_handle::status(query_distributed_copies).distributed_copies;
-#else
-  return torrent_handle::status().distributed_copies;
-#endif
+  return torrent_handle::status(query_distributed_copies).distributed_copies;
 }
 
 void QTorrentHandle::file_progress(std::vector<size_type>& fp) const {
diff --git a/src/qtlibtorrent/torrentspeedmonitor.cpp b/src/qtlibtorrent/torrentspeedmonitor.cpp
index e8a119d56..5b9d55cab 100644
--- a/src/qtlibtorrent/torrentspeedmonitor.cpp
+++ b/src/qtlibtorrent/torrentspeedmonitor.cpp
@@ -161,13 +161,8 @@ void TorrentSpeedMonitor::getSamples()
   std::vector<torrent_handle>::const_iterator itend = torrents.end();
   for ( ; it != itend; ++it) {
     try {
-#if LIBTORRENT_VERSION_NUM >= 001600
       torrent_status st = it->status(0x0);
       if (!st.paused) {
-#else
-      if (!it->is_paused()) {
-        torrent_status st = it->status();
-#endif
         m_samples[misc::toQString(it->info_hash())].addSample(st.download_payload_rate, st.upload_payload_rate);
       }
     } catch(invalid_handle&) {}
diff --git a/src/statusbar.h b/src/statusbar.h
index 784cc7493..323f11013 100644
--- a/src/statusbar.h
+++ b/src/statusbar.h
@@ -217,11 +217,7 @@ public slots:
 
   void capDownloadSpeed() {
     bool ok = false;
-#if LIBTORRENT_VERSION_NUM >= 001600
     int cur_limit = QBtSession::instance()->getSession()->settings().download_rate_limit;
-#else
-    int cur_limit = QBtSession::instance()->getSession()->download_rate_limit();
-#endif
     long new_limit = SpeedLimitDialog::askSpeedLimit(&ok, tr("Global Download Speed Limit"), cur_limit);
     if (ok) {
       Preferences pref;
@@ -242,11 +238,7 @@ public slots:
 
   void capUploadSpeed() {
     bool ok = false;
-#if LIBTORRENT_VERSION_NUM >= 001600
     int cur_limit = QBtSession::instance()->getSession()->settings().upload_rate_limit;
-#else
-    int cur_limit = QBtSession::instance()->getSession()->upload_rate_limit();
-#endif
     long new_limit = SpeedLimitDialog::askSpeedLimit(&ok, tr("Global Upload Speed Limit"), cur_limit);
     if (ok) {
       Preferences pref;
diff --git a/src/torrentcontentmodel.cpp b/src/torrentcontentmodel.cpp
index 65d3354ec..b3c677594 100644
--- a/src/torrentcontentmodel.cpp
+++ b/src/torrentcontentmodel.cpp
@@ -283,11 +283,7 @@ void TorrentContentModel::setupModelData(const libtorrent::torrent_info& t)
   for (int i = 0; i < t.num_files(); ++i) {
     const libtorrent::file_entry& fentry = t.file_at(i);
     current_parent = m_rootItem;
-#if LIBTORRENT_VERSION_NUM >= 001600
     QString path = misc::toQStringU(fentry.path);
-#else
-    QString path = misc::toQStringU(fentry.path.string());
-#endif
     // Iterate of parts of the path to create necessary folders
     QStringList pathFolders = path.split(QRegExp("[/\\\\]"), QString::SkipEmptyParts);
     pathFolders.removeLast();
diff --git a/src/torrentcontentmodelfile.cpp b/src/torrentcontentmodelfile.cpp
index 8f8ea2dbc..d8312e8c7 100644
--- a/src/torrentcontentmodelfile.cpp
+++ b/src/torrentcontentmodelfile.cpp
@@ -41,11 +41,7 @@ TorrentContentModelFile::TorrentContentModelFile(const libtorrent::file_entry& f
 {
   Q_ASSERT(parent);
 
-#if LIBTORRENT_VERSION_MINOR >= 16 || LIBTORRENT_VERSION_MAJOR > 0
   m_name = fsutils::fileName(misc::toQStringU(f.path.c_str()));
-#else
-  m_name = misc::toQStringU(f.path.filename());
-#endif
 
   // Do not display incomplete extensions
   if (m_name.endsWith(".!qB"))
diff --git a/src/torrentcreator/torrentcreatorthread.cpp b/src/torrentcreator/torrentcreatorthread.cpp
index faafcf2c4..6b573a179 100644
--- a/src/torrentcreator/torrentcreatorthread.cpp
+++ b/src/torrentcreator/torrentcreatorthread.cpp
@@ -43,36 +43,19 @@
 #include "torrentcreatorthread.h"
 #include "fs_utils.h"
 
-#if LIBTORRENT_VERSION_NUM < 001600
-#include <boost/filesystem/operations.hpp>
-#include <boost/filesystem/path.hpp>
-#include <boost/filesystem/fstream.hpp>
-#endif
 #include <boost/bind.hpp>
 #include <iostream>
 #include <fstream>
 
 using namespace libtorrent;
-#if LIBTORRENT_VERSION_NUM < 001600
-using namespace boost::filesystem;
-#endif
 
 // do not include files and folders whose
 // name starts with a .
-#if LIBTORRENT_VERSION_NUM >= 001600
 bool file_filter(std::string const& f)
 {
         if (filename(f)[0] == '.') return false;
         return true;
 }
-#else
-bool file_filter(boost::filesystem::path const& filename)
-{
-  if (filename.leaf()[0] == '.') return false;
-  std::cerr << filename << std::endl;
-  return true;
-}
-#endif
 
 void TorrentCreatorThread::create(QString _input_path, QString _save_path, QStringList _trackers, QStringList _url_seeds, QString _comment, bool _is_private, int _piece_size)
 {
@@ -85,9 +68,6 @@ void TorrentCreatorThread::create(QString _input_path, QString _save_path, QStri
   comment = _comment;
   is_private = _is_private;
   piece_size = _piece_size;
-#if LIBTORRENT_VERSION_NUM < 001600
-  path::default_name_check(no_check);
-#endif
   abort = false;
   start();
 }
diff --git a/src/torrentimportdlg.cpp b/src/torrentimportdlg.cpp
index eaa6721c8..ee9ffc383 100644
--- a/src/torrentimportdlg.cpp
+++ b/src/torrentimportdlg.cpp
@@ -79,11 +79,7 @@ void TorrentImportDlg::on_browseContentBtn_clicked()
   const QString default_dir = settings.value(QString::fromUtf8("TorrentImport/LastContentDir"), QDir::homePath()).toString();
   if (t->num_files() == 1) {
     // Single file torrent
-#if LIBTORRENT_VERSION_NUM >= 001600
     const QString file_name = fsutils::fileName(misc::toQStringU(t->file_at(0).path));
-#else
-    const QString file_name = misc::toQStringU(t->file_at(0).path.filename());
-#endif
     qDebug("Torrent has only one file: %s", qPrintable(file_name));
     QString extension = fsutils::fileExtension(file_name);
     qDebug("File extension is : %s", qPrintable(extension));
@@ -146,11 +142,7 @@ void TorrentImportDlg::on_browseContentBtn_clicked()
     content_dir.cdUp();
     // Check file sizes
     for (int i=0; i<t->num_files(); ++i) {
-#if LIBTORRENT_VERSION_NUM >= 001600
       const QString rel_path = misc::toQStringU(t->file_at(i).path);
-#else
-      const QString rel_path = misc::toQStringU(t->file_at(i).path.string());
-#endif
       if (QFile(QDir::cleanPath(content_dir.absoluteFilePath(rel_path))).size() != t->file_at(i).size) {
         qDebug("%s is %lld",
                qPrintable(QDir::cleanPath(content_dir.absoluteFilePath(rel_path))), (long long int) QFile(QDir::cleanPath(content_dir.absoluteFilePath(rel_path))).size());
@@ -252,11 +244,7 @@ void TorrentImportDlg::initializeFilesPath()
   m_filesPath.clear();
   // Loads files path in the torrent
   for (int i=0; i<t->num_files(); ++i) {
-#if LIBTORRENT_VERSION_NUM >= 001600
     m_filesPath << misc::toQStringU(t->file_at(i).path).replace("\\", "/");
-#else
-    m_filesPath << misc::toQStringU(t->file_at(i).path.string()).replace("\\", "/");
-#endif
   }
 }
 
diff --git a/src/webui/httpconnection.cpp b/src/webui/httpconnection.cpp
index 2547f5296..f3e7514e3 100644
--- a/src/webui/httpconnection.cpp
+++ b/src/webui/httpconnection.cpp
@@ -508,11 +508,7 @@ void HttpConnection::respondCommand(const QString& command) {
   if (command == "getGlobalUpLimit") {
     m_generator.setStatusLine(200, "OK");
     m_generator.setContentTypeByExt("html");
-#if LIBTORRENT_VERSION_NUM >= 001600
     m_generator.setMessage(QByteArray::number(QBtSession::instance()->getSession()->settings().upload_rate_limit));
-#else
-    m_generator.setMessage(QByteArray::number(QBtSession::instance()->getSession()->upload_rate_limit()));
-#endif
     m_generator.setContentEncoding(m_parser.acceptsEncoding());
     write();
     return;
@@ -520,11 +516,7 @@ void HttpConnection::respondCommand(const QString& command) {
   if (command == "getGlobalDlLimit") {
     m_generator.setStatusLine(200, "OK");
     m_generator.setContentTypeByExt("html");
-#if LIBTORRENT_VERSION_NUM >= 001600
     m_generator.setMessage(QByteArray::number(QBtSession::instance()->getSession()->settings().download_rate_limit));
-#else
-    m_generator.setMessage(QByteArray::number(QBtSession::instance()->getSession()->download_rate_limit()));
-#endif
     m_generator.setContentEncoding(m_parser.acceptsEncoding());
     write();
     return;
diff --git a/src/webui/prefjson.cpp b/src/webui/prefjson.cpp
index 1ba67e791..50f6187a0 100644
--- a/src/webui/prefjson.cpp
+++ b/src/webui/prefjson.cpp
@@ -88,10 +88,8 @@ QString prefjson::getPreferences()
   data.add("max_connec", pref.getMaxConnecs());
   data.add("max_connec_per_torrent", pref.getMaxConnecsPerTorrent());
   data.add("max_uploads_per_torrent", pref.getMaxUploadsPerTorrent());
-#if LIBTORRENT_VERSION_NUM >= 001600
   data.add("enable_utp", pref.isuTPEnabled());
   data.add("limit_utp_rate", pref.isuTPRateLimited());
-#endif
   data.add("limit_tcp_overhead", pref.includeOverheadInLimits());
   data.add("alt_dl_limit", pref.getAltGlobalDownloadLimit());
   data.add("alt_up_limit", pref.getAltGlobalUploadLimit());
@@ -110,9 +108,7 @@ QString prefjson::getPreferences()
   data.add("pex", pref.isPeXEnabled());
   data.add("lsd", pref.isLSDEnabled());
   data.add("encryption", pref.getEncryptionSetting());
-#if LIBTORRENT_VERSION_NUM >= 001600
   data.add("anonymous_mode", pref.isAnonymousModeEnabled());
-#endif
   // Proxy
   data.add("proxy_type", pref.getProxyType());
   data.add("proxy_ip", pref.getProxyIp());
@@ -246,12 +242,10 @@ void prefjson::setPreferences(const QString& json)
     pref.setMaxConnecsPerTorrent(m["max_connec_per_torrent"].toInt());
   if (m.contains("max_uploads_per_torrent"))
     pref.setMaxUploadsPerTorrent(m["max_uploads_per_torrent"].toInt());
-#if LIBTORRENT_VERSION_NUM >= 001600
   if (m.contains("enable_utp"))
     pref.setuTPEnabled(m["enable_utp"].toBool());
   if (m.contains("limit_utp_rate"))
     pref.setuTPRateLimited(m["limit_utp_rate"].toBool());
-#endif
   if (m.contains("limit_tcp_overhead"))
     pref.includeOverheadInLimits(m["limit_tcp_overhead"].toBool());
   if (m.contains("alt_dl_limit"))
@@ -284,10 +278,8 @@ void prefjson::setPreferences(const QString& json)
     pref.setLSDEnabled(m["lsd"].toBool());
   if (m.contains("encryption"))
     pref.setEncryptionSetting(m["encryption"].toInt());
-#if LIBTORRENT_VERSION_NUM >= 001600
   if (m.contains("anonymous_mode"))
     pref.enableAnonymousMode(m["anonymous_mode"].toBool());
-#endif
   // Proxy
   if (m.contains("proxy_type"))
     pref.setProxyType(m["proxy_type"].toInt());