diff --git a/docs/update_quairkit_rst.py b/docs/update_quairkit_rst.py
index 3687a7b..a52e7d4 100644
--- a/docs/update_quairkit_rst.py
+++ b/docs/update_quairkit_rst.py
@@ -254,7 +254,6 @@ def _update_conf_py(source_directory: str = _sphinx_source_dir):
     "repo_name": 'QuAIRKit',
     "palette": { "primary": "green" },
     "version_dropdown": True,
-    "version_json": "versions.json",
 }
 html_favicon = '../favicon.svg'
 # Add any paths that contain custom static files (such as style sheets) here,