diff --git a/src/config.cc b/src/config.cc
index 5e411a13..6843b5d6 100644
--- a/src/config.cc
+++ b/src/config.cc
@@ -1107,11 +1107,6 @@ Class load()
   if ( !mainWindowGeometry.isNull() )
     c.mainWindowGeometry = QByteArray::fromBase64( mainWindowGeometry.toElement().text().toLatin1() );
 
-  QDomNode mainWindowMaximized = root.namedItem( "mainWindowMaximized" );
-
-  if ( !mainWindowMaximized.isNull() )
-    c.mainWindowMaximized = ( mainWindowMaximized.toElement().text() == "1" );
-
   QDomNode dictInfoGeometry = root.namedItem( "dictInfoGeometry" );
 
   if ( !dictInfoGeometry.isNull() )
@@ -2100,10 +2095,6 @@ void save( Class const & c )
     opt.appendChild( dd.createTextNode( QString::fromLatin1( c.mainWindowGeometry.toBase64() ) ) );
     root.appendChild( opt );
 
-    opt = dd.createElement( "mainWindowMaximized" );
-    opt.appendChild( dd.createTextNode( c.mainWindowMaximized ? "1" : "0" ) );
-    root.appendChild( opt );
-
     opt = dd.createElement( "dictInfoGeometry" );
     opt.appendChild( dd.createTextNode( QString::fromLatin1( c.dictInfoGeometry.toBase64() ) ) );
     root.appendChild( opt );
diff --git a/src/config.hh b/src/config.hh
index fcc365aa..7680e50c 100644
--- a/src/config.hh
+++ b/src/config.hh
@@ -866,7 +866,6 @@ struct Class
 
   QByteArray mainWindowState;    // Binary state saved by QMainWindow
   QByteArray mainWindowGeometry; // Geometry saved by QMainWindow
-  bool mainWindowMaximized = false;
 
   MutedDictionaries mutedDictionaries;      // Disabled via dictionary bar
   MutedDictionaries popupMutedDictionaries; // Disabled via dictionary bar in popup
diff --git a/src/ui/mainwindow.cc b/src/ui/mainwindow.cc
index ec87c785..40a8690e 100644
--- a/src/ui/mainwindow.cc
+++ b/src/ui/mainwindow.cc
@@ -746,10 +746,6 @@ MainWindow::MainWindow( Config::Class & cfg_ ):
   if ( cfg.mainWindowGeometry.size() )
     restoreGeometry( cfg.mainWindowGeometry );
 
-  if ( cfg.mainWindowMaximized ) {
-    showMaximized();
-  }
-
 #if defined( Q_OS_LINUX )
   #if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
   defaultInterfaceStyle = QApplication::style()->name();
@@ -1218,7 +1214,6 @@ void MainWindow::commitData()
     // Save MainWindow state and geometry
     cfg.mainWindowState    = saveState();
     cfg.mainWindowGeometry = saveGeometry();
-    cfg.mainWindowMaximized = isMaximized();
 
     // Save popup window state and geometry
     if ( scanPopup )