diff --git a/src/lib/gui/MainWindow.h b/src/lib/gui/MainWindow.h
index ec35a91d0..12c229ace 100644
--- a/src/lib/gui/MainWindow.h
+++ b/src/lib/gui/MainWindow.h
@@ -41,7 +41,6 @@ class QComboBox;
 class QTabWidget;
 class QCheckBox;
 class QRadioButton;
-class QMessageBox;
 class QAbstractButton;
 class QLocalServer;
 
diff --git a/src/lib/gui/config/ServerConfig.cpp b/src/lib/gui/config/ServerConfig.cpp
index b878e489a..aff460f48 100644
--- a/src/lib/gui/config/ServerConfig.cpp
+++ b/src/lib/gui/config/ServerConfig.cpp
@@ -12,7 +12,6 @@
 #include "common/Settings.h"
 
 #include <QAbstractButton>
-#include <QMessageBox>
 #include <QPushButton>
 
 using enum ScreenConfig::Modifier;
diff --git a/src/lib/gui/core/ClientConnection.cpp b/src/lib/gui/core/ClientConnection.cpp
index 1d2d2ae6c..499cc1e0e 100644
--- a/src/lib/gui/core/ClientConnection.cpp
+++ b/src/lib/gui/core/ClientConnection.cpp
@@ -10,7 +10,6 @@
 #include "common/Settings.h"
 
 #include <QHostAddress>
-#include <QMessageBox>
 
 namespace deskflow::gui {
 
diff --git a/src/lib/gui/core/ServerConnection.cpp b/src/lib/gui/core/ServerConnection.cpp
index d1ff8075e..94baa2ef1 100644
--- a/src/lib/gui/core/ServerConnection.cpp
+++ b/src/lib/gui/core/ServerConnection.cpp
@@ -10,7 +10,6 @@
 #include "ServerMessage.h"
 #include "common/Settings.h"
 
-#include <QMessageBox>
 #include <QPushButton>
 
 namespace deskflow::gui {