diff --git a/docs/source/_static/switcher.json b/docs/source/_static/switcher.json
index 26ba7bf00e0d..6afb3e7f26d3 100644
--- a/docs/source/_static/switcher.json
+++ b/docs/source/_static/switcher.json
@@ -3,17 +3,5 @@
         "preferred": true,
         "version": "latest",
         "url": "https://nvidia.github.io/TensorRT-LLM/latest"
-    },
-    {
-        "version": "0.20.0rc0",
-        "url": "https://nvidia.github.io/TensorRT-LLM/0.20.0rc0"
-    },
-    {
-        "version": "0.19.0rc0",
-        "url": "https://nvidia.github.io/TensorRT-LLM/0.19.0rc0"
-    },
-    {
-        "version": "0.18.2",
-        "url": "https://nvidia.github.io/TensorRT-LLM/0.18.2"
     }
 ]
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 7280de44336b..a84c71b43b10 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -82,11 +82,11 @@
     '.rst': 'restructuredtext',
     '.txt': 'markdown',
     '.md': 'markdown',
+    '.json': 'json',
 }
 
 html_theme = 'nvidia_sphinx_theme'
 html_static_path = ['_static']
-html_extra_path = ["./_static/switcher.json"]
 html_theme_options = {
     "switcher": {
         "json_url": "./_static/switcher.json",