diff --git a/releasenotes/source/index.rst b/releasenotes/source/index.rst
index d0b2aaf..71f7357 100644
--- a/releasenotes/source/index.rst
+++ b/releasenotes/source/index.rst
@@ -5,6 +5,4 @@
 .. toctree::
    :maxdepth: 1
 
-   liberty
-   mitaka
    unreleased
diff --git a/releasenotes/source/liberty.rst b/releasenotes/source/liberty.rst
deleted file mode 100644
index 2c5d832..0000000
--- a/releasenotes/source/liberty.rst
+++ /dev/null
@@ -1,6 +0,0 @@
-==============================
- Liberty Series Release Notes
-==============================
-
-.. release-notes::
-   :branch: origin/liberty
diff --git a/releasenotes/source/mitaka.rst b/releasenotes/source/mitaka.rst
deleted file mode 100644
index 0dc585c..0000000
--- a/releasenotes/source/mitaka.rst
+++ /dev/null
@@ -1,6 +0,0 @@
-=============================
- Mitaka Series Release Notes
-=============================
-
-.. release-notes::
-   :branch: origin/stable/mitaka