diff --git a/CMakeLists.txt b/CMakeLists.txt
index a81ee63..2bea036 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,6 +4,7 @@ project(quickwebshortcuts)
 
 set(QT_MIN_VERSION "5.15.0")
 set(KF_MIN_VERSION "5.91.0")
+set(KDE_COMPILERSETTINGS_LEVEL "5.82.0")
 
 find_package(ECM ${KF_MIN_VERSION} REQUIRED NO_MODULE)
 add_definitions(-DQT_NO_KEYWORDS)
diff --git a/src/config/SearchEngineItem.h b/src/config/SearchEngineItem.h
index e637b1d..286235d 100644
--- a/src/config/SearchEngineItem.h
+++ b/src/config/SearchEngineItem.h
@@ -3,7 +3,6 @@
 
 #include "ui_search_engine_item.h"
 
-#include <QtCore>
 #include <QWidget>
 #include <KConfigWidgets/KCModule>
 
diff --git a/src/config/quick_web_shortcuts_config.cpp b/src/config/quick_web_shortcuts_config.cpp
index d6f8510..d41ad05 100644
--- a/src/config/quick_web_shortcuts_config.cpp
+++ b/src/config/quick_web_shortcuts_config.cpp
@@ -3,8 +3,10 @@
 #include "api_language_utility.h"
 #include <KSharedConfig>
 #include <KPluginFactory>
-#include <QtDebug>
-#include <QtWidgets/QFileDialog>
+#include <QDebug>
+#include <QTimer>
+#include <QMetaEnum>
+#include <QFileDialog>
 
 #include <utilities.h>
 
diff --git a/src/config/quick_web_shortcuts_config.h b/src/config/quick_web_shortcuts_config.h
index e95e775..3b67a52 100644
--- a/src/config/quick_web_shortcuts_config.h
+++ b/src/config/quick_web_shortcuts_config.h
@@ -3,9 +3,9 @@
 
 #include "ui_quick_web_shortcuts_config.h"
 #include <KCModule>
-#include <KConfigCore/KConfigGroup>
+#include <KConfigGroup>
+#include <QNetworkReply>
 #include "SearchEngineItem.h"
-#include <QtNetwork>
 
 #ifndef NO_PROXY_INTEGRATION
 
diff --git a/src/quick_web_shortcuts.cpp b/src/quick_web_shortcuts.cpp
index 94a1773..3bcb636 100644
--- a/src/quick_web_shortcuts.cpp
+++ b/src/quick_web_shortcuts.cpp
@@ -1,6 +1,7 @@
 #include "quick_web_shortcuts.h"
-#include <QtGui/QtGui>
 #include <QAction>
+#include <QEventLoop>
+#include <QProcess>
 #include <KShell>
 #include <KNotifications/KNotification>
 #include "searchengines/SearchEngines.h"
diff --git a/src/searchengines/SearchEngines.h b/src/searchengines/SearchEngines.h
index afa25ef..422ab7a 100644
--- a/src/searchengines/SearchEngines.h
+++ b/src/searchengines/SearchEngines.h
@@ -2,10 +2,10 @@
 #define QUICKWEBSHORTCUTS_SEARCHENGINES_H
 
 
-#include <QtCore/QString>
 #include <QMap>
+#include <QDir>
 #include <KSharedConfig>
-#include <QtWidgets/QComboBox>
+#include <QComboBox>
 #include <Config.h>
 #include "SearchEngine.h"
 
diff --git a/src/searchproviders/Bing.h b/src/searchproviders/Bing.h
index 95871a7..968fd87 100644
--- a/src/searchproviders/Bing.h
+++ b/src/searchproviders/Bing.h
@@ -2,10 +2,15 @@
 #define QUICKWEBSHORTCUTS_BING_H
 
 
-#include <QtNetwork/QNetworkReply>
+#include <QTimer>
+#include <QMetaEnum>
+#include <QNetworkReply>
+#include <QNetworkAccessManager>
 #include <KRunner/AbstractRunner>
+#include <QUrlQuery>
+#include <QJsonDocument>
+#include <QJsonArray>
 #include <KNotifications/KNotification>
-#include <QtCore>
 #include <utility>
 #include "RequiredData.h"
 
diff --git a/src/searchproviders/DuckDuckGo.h b/src/searchproviders/DuckDuckGo.h
index c1ef913..a12c43c 100644
--- a/src/searchproviders/DuckDuckGo.h
+++ b/src/searchproviders/DuckDuckGo.h
@@ -2,11 +2,10 @@
 #define QUICKWEBSHORTCUTS_DUCKDUCKGO_H
 
 
-#include <QtNetwork>
-#include <QtCore>
 #include <utility>
 #include <QTextDocument>
 #include <QNetworkAccessManager>
+#include <QMetaEnum>
 #include <KNotifications/KNotification>
 #include "RequiredData.h"
 #include <KRunner/RunnerContext>
diff --git a/src/searchproviders/Google.h b/src/searchproviders/Google.h
index 4a6ef2a..04cb99d 100644
--- a/src/searchproviders/Google.h
+++ b/src/searchproviders/Google.h
@@ -1,8 +1,8 @@
 #ifndef QUICKWEBSHORTCUTS_GOOGLE_H
 #define QUICKWEBSHORTCUTS_GOOGLE_H
 
-#include <QtNetwork/QNetworkReply>
-#include <QtCore>
+#include <QNetworkReply>
+#include <QXmlStreamReader>
 #include <KNotifications/KNotification>
 #include <utility>
 #include <KRunner/QueryMatch>
diff --git a/src/utilities.h b/src/utilities.h
index fe56ba7..eb744fd 100644
--- a/src/utilities.h
+++ b/src/utilities.h
@@ -1,7 +1,6 @@
 #ifndef QUICKWEBSHORTCUTS_UTILITIES_H
 #define QUICKWEBSHORTCUTS_UTILITIES_H
 
-#include <QtCore>
 #include <QNetworkProxy>
 #include <KSharedConfig>
 #include <KConfigGroup>