diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -23,7 +23,7 @@
     GROUP_BASE_NAME KF
     VERSION ${KF5_VERSION}
     DEPRECATED_BASE_VERSION 0
-    DEPRECATION_VERSIONS 4.8 5.0 5.63
+    DEPRECATION_VERSIONS 4.8 5.0 5.63 5.64
     EXCLUDE_DEPRECATED_BEFORE_AND_AT ${EXCLUDE_DEPRECATED_BEFORE_AND_AT}
 )
 
diff --git a/src/kicontheme.h b/src/kicontheme.h
--- a/src/kicontheme.h
+++ b/src/kicontheme.h
@@ -267,23 +267,29 @@
      */
     static QString defaultThemeName();
 
+#if KICONTHEMES_ENABLE_DEPRECATED_SINCE(5, 64)
     /**
      * Defines the context menus that assignIconsToContextMenus is
      * aware of.
      *
      * For ReadOnlyText the menu is expected to have one entry.
      *
      * TextEditor is expected to have the full complement of
      * undo, redo, cut, copy, paste and clear.
+     *
+     * @deprecated since 5.64 no longer needed
      */
     enum ContextMenus { TextEditor,
                         ReadOnlyText
-                      };
+                      }; // TODO KF6 remove
 
     /**
      * Assigns standard icons to the various standard text edit context menus.
+     *
+     * @deprecated since 5.64, no longer necessary, Qt assigns icon itself by now.
      */
-    static void assignIconsToContextMenu(ContextMenus type, QList<QAction *> actions);
+    KICONTHEMES_DEPRECATED_VERSION(5, 64, "No longer necessary") static void assignIconsToContextMenu(ContextMenus type, QList<QAction *> actions); // TODO KF6 remove
+#endif
 
 private:
     class KIconThemePrivate;