diff --git a/Cargo.toml b/Cargo.toml
index 754c47f..43d4ad4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,7 @@
 name = "ui-compiler"
 version = "0.1.0"
 authors = ["Jáchym Toušek <enumag@gmail.com>"]
+edition = "2021"
 
 [dependencies]
 Inflector = "*"
diff --git a/src/main.rs b/src/main.rs
index 2189826..a2ca111 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,3 @@
-extern crate inflector;
-extern crate log;
-extern crate simplelog;
-
 use std::env;
 use std::process::{Command, ExitCode};
 use std::fs;