diff --git a/build.rs b/build.rs
index fd820f7..8ab872f 100644
--- a/build.rs
+++ b/build.rs
@@ -16,6 +16,7 @@ fn main() -> ExitCode {
     let outfile = fs::OpenOptions::new()
         .write(true)
         .create(true)
+        .truncate(true)
         .open("src/themes.rs")
         .unwrap();
 
@@ -32,5 +33,5 @@ fn main() -> ExitCode {
         println!("cargo::warning=whiskers exited nonzero");
         return ExitCode::FAILURE;
     }
-    return ExitCode::SUCCESS;
+    ExitCode::SUCCESS
 }
diff --git a/src/themes.rs b/src/themes.rs
index dd08f03..1340636 100644
--- a/src/themes.rs
+++ b/src/themes.rs
@@ -146,3 +146,4 @@ pub const MOCHA: Theme = Theme {
     mantle: Color32::from_rgb(24, 24, 37),
     crust: Color32::from_rgb(17, 17, 27),
 };
+