diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8b4b482..e11b5ad 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -4,8 +4,7 @@ documentation, bug reports, or anything else that improves git-crypt.
 
 When contributing code, please consider the following guidelines:
 
- * You are encouraged to open an issue on GitHub or send mail to
-   git-crypt-discuss@lists.cloudmutt.com to discuss any non-trivial
+ * You are encouraged to open an issue on GitHub to discuss any non-trivial
    changes before you start coding.
 
  * Please mimic the existing code style as much as possible.  In
@@ -15,8 +14,7 @@ When contributing code, please consider the following guidelines:
  * To minimize merge commits, please rebase your changes before opening
    a pull request.
 
- * To submit your patch, open a pull request on GitHub or send a
-   properly-formatted patch to git-crypt-discuss@lists.cloudmutt.com.
+ * To submit your patch, open a pull request on GitHub.
 
 Finally, be aware that since git-crypt is security-sensitive software,
 the bar for contributions is higher than average.  Please don't be
diff --git a/README b/README
index ef5e118..2bd44dc 100644
--- a/README
+++ b/README
@@ -158,12 +158,3 @@ match it accidentally.  If necessary, you can exclude .gitattributes from
 encryption like this:
 
 	.gitattributes !filter !diff
-
-
-MAILING LISTS
-
-To stay abreast of, and provide input to, git-crypt development, consider
-subscribing to one or both of our mailing lists:
-
-Announcements: https://lists.cloudmutt.com/mailman/listinfo/git-crypt-announce
-Discussion:    https://lists.cloudmutt.com/mailman/listinfo/git-crypt-discuss
diff --git a/README.md b/README.md
index 2d4d47d..0e39926 100644
--- a/README.md
+++ b/README.md
@@ -160,12 +160,3 @@ match it accidentally.  If necessary, you can exclude .gitattributes from
 encryption like this:
 
     .gitattributes !filter !diff
-
-Mailing Lists
--------------
-
-To stay abreast of, and provide input to, git-crypt development,
-consider subscribing to one or both of our mailing lists:
-
-* [Announcements](https://lists.cloudmutt.com/mailman/listinfo/git-crypt-announce)
-* [Discussion](https://lists.cloudmutt.com/mailman/listinfo/git-crypt-discuss)