diff --git a/README.md b/README.md
index 9ad7c0e..05b1d39 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,14 @@ Java Code Styles
IntelliJ IDEA code style settings for Square's Java and Android projects.
+Deprecated
+----------
+
+These code styles aren't maintained anymore. Block / Square has adopted
+[ktfmt](https://github.com/facebook/ktfmt) with its code style.
+[`.editorconfig`](https://spec.editorconfig.org/index.html) files are a better alternative to share
+code styles and are supported in Jetbrains IDEs.
+
Installation
------------
diff --git a/configs/codestyles/SquareAndroid.xml b/configs/codestyles/SquareAndroid.xml
index 19a6fd9..a099107 100644
--- a/configs/codestyles/SquareAndroid.xml
+++ b/configs/codestyles/SquareAndroid.xml
@@ -99,6 +99,11 @@
+