diff --git a/releasenotes/source/index.rst b/releasenotes/source/index.rst
index 4e229db799ba366b64e5794dd1530e1466511d12..69cb6c758f271ebff97c55e7f12c144979bed631 100644
--- a/releasenotes/source/index.rst
+++ b/releasenotes/source/index.rst
@@ -8,9 +8,6 @@ Contents
    :maxdepth: 2
 
    unreleased
-   newton
-   mitaka
-   liberty
 
 
 Indices and tables
diff --git a/releasenotes/source/liberty.rst b/releasenotes/source/liberty.rst
deleted file mode 100644
index 36217be84438f16d5f68d0e3ecd1885fe620f7d8..0000000000000000000000000000000000000000
--- a/releasenotes/source/liberty.rst
+++ /dev/null
@@ -1,6 +0,0 @@
-==============================
- Liberty Series Release Notes
-==============================
-
-.. release-notes::
-   :branch: origin/stable/liberty
diff --git a/releasenotes/source/mitaka.rst b/releasenotes/source/mitaka.rst
deleted file mode 100644
index e5456096506ebe4e557a16c3968de6375cd74954..0000000000000000000000000000000000000000
--- a/releasenotes/source/mitaka.rst
+++ /dev/null
@@ -1,6 +0,0 @@
-===================================
- Mitaka Series Release Notes
-===================================
-
-.. release-notes::
-   :branch: origin/stable/mitaka
diff --git a/releasenotes/source/newton.rst b/releasenotes/source/newton.rst
deleted file mode 100644
index 97036ed251847c8e13eb6bbb6f124c5a41f8733e..0000000000000000000000000000000000000000
--- a/releasenotes/source/newton.rst
+++ /dev/null
@@ -1,6 +0,0 @@
-===================================
- Newton Series Release Notes
-===================================
-
-.. release-notes::
-   :branch: origin/stable/newton