diff --git a/src/Mogan/Research/research.cpp b/src/Mogan/Research/research.cpp
index 137eebe517..e4ad22d767 100644
--- a/src/Mogan/Research/research.cpp
+++ b/src/Mogan/Research/research.cpp
@@ -209,12 +209,6 @@ main (int argc, char** argv) {
   else if (theme != "") tm_style_sheet= theme;
 #if !defined(OS_MINGW) && !defined(OS_WIN)
   set_env ("LC_NUMERIC", "POSIX");
-#ifndef OS_MACOS
-#ifndef OS_WASM
-  set_env ("QT_QPA_PLATFORM", "xcb");
-  set_env ("XDG_SESSION_TYPE", "x11");
-#endif
-#endif
 #endif
 #ifdef MACOSX_EXTENSIONS
   // Reset TeXmacs if Alt is pressed during startup
diff --git a/src/Plugins/Qt/qt_gui.cpp b/src/Plugins/Qt/qt_gui.cpp
index 0211b90be5..e85dcce671 100644
--- a/src/Plugins/Qt/qt_gui.cpp
+++ b/src/Plugins/Qt/qt_gui.cpp
@@ -73,6 +73,9 @@
 #ifdef qt_static_plugin_xcb
 Q_IMPORT_PLUGIN (QXcbIntegrationPlugin)
 #endif
+#ifdef qt_static_plugin_qwayland
+Q_IMPORT_PLUGIN (QWaylandIntegrationPlugin)
+#endif
 #ifdef qt_static_plugin_qjpeg
 Q_IMPORT_PLUGIN (qjpeg)
 #endif
@@ -194,8 +197,13 @@ qt_gui_rep::qt_gui_rep (int& argc, char** argv)
       debug_boot << "Screen extents: " << w / PIXEL << " x " << h / PIXEL
                  << "\n";
     if (min (w, h) >= 1440 * PIXEL) {
-      retina_zoom = 2;
-      retina_scale= (tm_style_sheet == "" ? 1.0 : 1.6666);
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+      if (QGuiApplication::platformName () != "wayland")
+#endif
+      {
+        retina_zoom = 2;
+        retina_scale= (tm_style_sheet == "" ? 1.0 : 1.6666);
+      }
       if (!retina_iman) {
         retina_iman = true;
         retina_icons= 2;