diff --git a/README.markdown b/README.markdown
index fd87a88..eb15545 100644
--- a/README.markdown
+++ b/README.markdown
@@ -70,8 +70,8 @@ build this libary and run the examples.
 1. Change or add something
 2. Run rustfmt to guarantee code style conformance
 
-        cargo install rustfmt
-        cargo fmt -- --write-mode=overwrite
+        rustup component add rustfmt-preview
+        cargo fmt
 
 3. Open a pull request in Github
 
diff --git a/rustfmt.toml b/rustfmt.toml
deleted file mode 100644
index 9efa1ea..0000000
--- a/rustfmt.toml
+++ /dev/null
@@ -1 +0,0 @@
-fn_single_line = true