diff --git a/swift/README.md b/swift/README.md
index a0294f286..afac5373c 100644
--- a/swift/README.md
+++ b/swift/README.md
@@ -214,7 +214,7 @@ This is the defacto image. If you are unsure about what your needs are, you prob
 
 Some of these tags may have names like bookworm in them. These are the suite code names for releases of [Debian](https://wiki.debian.org/DebianReleases) and indicate which release the image is based on. If your image needs to install any additional packages beyond what comes with the image, you'll likely want to specify one of these explicitly to minimize breakage when there are new releases of Debian.
 
-Some of these tags may have names like focal, jammy, mantic, or noble in them. These are the suite code names for releases of [Ubuntu](https://wiki.ubuntu.com/Releases) and indicate which release the image is based on. If your image needs to install any additional packages beyond what comes with the image, you'll likely want to specify one of these explicitly to minimize breakage when there are new releases of Ubuntu.
+Some of these tags may have names like focal, jammy, or noble in them. These are the suite code names for releases of [Ubuntu](https://wiki.ubuntu.com/Releases) and indicate which release the image is based on. If your image needs to install any additional packages beyond what comes with the image, you'll likely want to specify one of these explicitly to minimize breakage when there are new releases of Ubuntu.
 
 ## `swift:<version>-slim`
 
diff --git a/ubuntu/README.md b/ubuntu/README.md
index 4741fb878..e0139b262 100644
--- a/ubuntu/README.md
+++ b/ubuntu/README.md
@@ -28,8 +28,6 @@ WARNING:
 
 -	[`22.04`, `jammy-20240627.1`, `jammy`](https://git.launchpad.net/cloud-images/+oci/ubuntu-base/tree/oci/index.json?h=refs/tags/dist-jammy-amd64-20240627.1-0d60927a&id=0d60927a24b045adcfbdb9a80b7db3bf6bd9fd9b)
 
--	[`23.10`, `mantic-20240530`, `mantic`](https://git.launchpad.net/cloud-images/+oci/ubuntu-base/tree/oci/index.json?h=refs/tags/dist-mantic-amd64-20240530-8dcb055f&id=8dcb055fedbfd33752ede65d6534f702a3b81070)
-
 -	[`24.04`, `noble-20240605`, `noble`, `latest`, `rolling`](https://git.launchpad.net/cloud-images/+oci/ubuntu-base/tree/oci/index.json?h=refs/tags/dist-noble-amd64-20240605-baf9888c&id=baf9888c79d71a0ae98d4ef87c838ca3c91f2245)
 
 -	[`24.10`, `oracular-20240617`, `oracular`, `devel`](https://git.launchpad.net/cloud-images/+oci/ubuntu-base/tree/oci/index.json?h=refs/tags/dist-oracular-amd64-20240617-43acaa26&id=43acaa26848f20fe7885f00637b5342967c8ae23)