diff --git a/src/app/main.cpp b/src/app/main.cpp
index caa5d1211..01f4bda4d 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -47,6 +47,7 @@
 #include <QPen>
 #include <QPushButton>
 #include <QSplashScreen>
+#include <QTimer>
 
 #ifdef QBT_STATIC_QT
 #include <QtPlugin>
diff --git a/src/base/preferences.cpp b/src/base/preferences.cpp
index 7758d483b..1f42496d1 100644
--- a/src/base/preferences.cpp
+++ b/src/base/preferences.cpp
@@ -50,7 +50,6 @@
 #endif
 
 #include "global.h"
-#include "logger.h"
 #include "settingsstorage.h"
 #include "utils/fs.h"
 #include "utils/misc.h"
diff --git a/src/base/preferences.h b/src/base/preferences.h
index ba842f119..fdddef15f 100644
--- a/src/base/preferences.h
+++ b/src/base/preferences.h
@@ -31,18 +31,14 @@
 #define PREFERENCES_H
 
 #include <QDateTime>
-#include <QHostAddress>
 #include <QList>
 #include <QNetworkCookie>
-#include <QReadWriteLock>
 #include <QSize>
 #include <QStringList>
 #include <QTime>
-#include <QTimer>
 #include <QVariant>
 
 #include "base/utils/net.h"
-#include "types.h"
 
 enum SchedulerDays
 {
diff --git a/src/base/utils/net.cpp b/src/base/utils/net.cpp
index 06fe9b375..3a6ab3f5f 100644
--- a/src/base/utils/net.cpp
+++ b/src/base/utils/net.cpp
@@ -28,7 +28,6 @@
 
 #include "net.h"
 
-#include <QHostAddress>
 #include <QString>
 
 namespace Utils
diff --git a/src/base/utils/net.h b/src/base/utils/net.h
index cc440326b..62572f5f0 100644
--- a/src/base/utils/net.h
+++ b/src/base/utils/net.h
@@ -29,10 +29,10 @@
 #ifndef BASE_UTILS_NET_H
 #define BASE_UTILS_NET_H
 
+#include <QHostAddress>
 #include <QList>
 #include <QPair>
 
-class QHostAddress;
 class QString;
 
 namespace Utils