diff --git a/README.md b/README.md
index 73a0bfa..cda5285 100644
--- a/README.md
+++ b/README.md
@@ -64,18 +64,6 @@ formatted output.
 $ ormolu --mode inplace Module.hs
 ```
 
-A configuration file can specify the language extensions to use by default.
-
-```console
-$ cat ormolu.yaml
-ghc-opts:
-  - -XLambdaCase
-unsafe: False
-debug: False
-
-$ ormolu -c ormolu.yaml Module.hs
-```
-
 ## Contributing
 
 See [CONTRIBUTING.md](./CONTRIBUTING.md).