diff --git a/src/calibre/gui2/tweak_book/editor/widget.py b/src/calibre/gui2/tweak_book/editor/widget.py
index 2e4af3088d..c4997352ee 100644
--- a/src/calibre/gui2/tweak_book/editor/widget.py
+++ b/src/calibre/gui2/tweak_book/editor/widget.py
@@ -221,8 +221,14 @@ class Editor(QMainWindow):
     def _build_insert_tag_button_menu(self):
         m = self.insert_tag_menu
         m.clear()
-        for name in tprefs['insert_tag_mru']:
+        names = tprefs['insert_tag_mru']
+        for name in names:
             m.addAction(name, partial(self.insert_tag, name))
+        if names:
+            m.addSeparator()
+            m = m.addMenu(_('Remove from this menu'))
+            for name in names:
+                m.addAction(name, partial(self.remove_insert_tag, name))
 
     def insert_tag(self, name):
         self.editor.insert_tag(name)
@@ -235,6 +241,15 @@ class Editor(QMainWindow):
         tprefs['insert_tag_mru'] = mru
         self._build_insert_tag_button_menu()
 
+    def remove_insert_tag(self, name):
+        mru = tprefs['insert_tag_mru']
+        try:
+            mru.remove(name)
+        except ValueError:
+            pass
+        tprefs['insert_tag_mru'] = mru
+        self._build_insert_tag_button_menu()
+
     def set_request_completion(self, callback=None, doc_name=None):
         self.editor.request_completion = callback
         self.editor.completion_doc_name = doc_name