--- a/eric6/eric6_browser.py	Sun Sep 01 19:58:00 2019 +0200
+++ b/eric6/eric6_browser.py	Mon Sep 02 18:50:38 2019 +0200
@@ -28,25 +28,7 @@
 except AttributeError:
     pass
 
-from Globals import qVersionTuple
-
 app = None
-
-
-if qVersionTuple() < (5, 6, 0):
-    if "--quiet" not in sys.argv:
-        from PyQt5.QtCore import QTimer
-        from PyQt5.QtWidgets import QApplication
-        from E5Gui import E5MessageBox
-        app = QApplication([])
-        QTimer.singleShot(0, lambda: E5MessageBox.critical(
-            None,
-            "eric6 Web Browser",
-            "You need at least Qt Version 5.6.0 to execute the web browser.")
-        )
-        app.exec_()
-    sys.exit(100)
-
 SettingsDir = None
 
 for arg in sys.argv[:]: