--- a/eric6/WebBrowser/QtHelp/HelpDocsInstaller.py	Sat Jun 20 17:36:20 2020 +0200
+++ b/eric6/WebBrowser/QtHelp/HelpDocsInstaller.py	Sun Jun 21 18:26:12 2020 +0200
@@ -70,7 +70,6 @@
         engine = QHelpEngineCore(self.__collection)
         changes = False
         
-        qt4Docs = ["designer", "linguist", "qt"]
         qt5Docs = [
             "activeqt", "qdoc", "qmake", "qt3d", "qt3drenderer",
             "qtandroidextras", "qtassistant", "qtbluetooth", "qtcanvas3d",
@@ -91,7 +90,7 @@
             "qtwebengine", "qtwebenginewidgets", "qtwebkit",
             "qtwebkitexamples", "qtwebsockets", "qtwebview", "qtwidgets",
             "qtwinextras", "qtx11extras", "qtxml", "qtxmlpatterns"]
-        for qtDocs, version in [(qt4Docs, 4), (qt5Docs, 5)]:
+        for qtDocs, version in [(qt5Docs, 5)]:
             for doc in qtDocs:
                 changes |= self.__installQtDoc(doc, version, engine)
                 self.__mutex.lock()