--- a/src/eric7/WebBrowser/Tools/WebIconProvider.py	Sun Dec 03 16:44:52 2023 +0100
+++ b/src/eric7/WebBrowser/Tools/WebIconProvider.py	Sun Dec 03 19:46:34 2023 +0100
@@ -236,7 +236,7 @@
         if dlg.exec() == QDialog.DialogCode.Accepted:
             changed = False
             urls = dlg.getUrls()
-            for url in list(self.__iconsDB.keys())[:]:
+            for url in list(self.__iconsDB):
                 if url not in urls:
                     del self.__iconsDB[url]
                     changed = True