diff --git a/build.rs b/build.rs
index 83fa1526..5222a824 100644
--- a/build.rs
+++ b/build.rs
@@ -38,17 +38,17 @@ fn bios_main() {
         bios_stage_2_path.display()
     );
 
-        let bios_stage_3_path = build_bios_stage_3(&out_dir);
-        println!(
-            "cargo:rustc-env=BIOS_STAGE_3_PATH={}",
-            bios_stage_3_path.display()
-        );
+    let bios_stage_3_path = build_bios_stage_3(&out_dir);
+    println!(
+        "cargo:rustc-env=BIOS_STAGE_3_PATH={}",
+        bios_stage_3_path.display()
+    );
 
-        let bios_stage_4_path = build_bios_stage_4(&out_dir);
-        println!(
-            "cargo:rustc-env=BIOS_STAGE_4_PATH={}",
-            bios_stage_4_path.display()
-        );
+    let bios_stage_4_path = build_bios_stage_4(&out_dir);
+    println!(
+        "cargo:rustc-env=BIOS_STAGE_4_PATH={}",
+        bios_stage_4_path.display()
+    );
 }
 
 #[cfg(feature = "uefi")]
diff --git a/src/lib.rs b/src/lib.rs
index fae2b03c..cbd554ca 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,10 +4,10 @@ An experimental x86_64 bootloader that works on both BIOS and UEFI systems.
 
 #![warn(missing_docs)]
 
-#[cfg(feature = "bios")]
-mod mbr;
 #[cfg(feature = "uefi")]
 mod gpt;
+#[cfg(feature = "bios")]
+mod mbr;
 
 mod fat;
 
diff --git a/tests/runner/src/lib.rs b/tests/runner/src/lib.rs
index eff82523..945d2fab 100644
--- a/tests/runner/src/lib.rs
+++ b/tests/runner/src/lib.rs
@@ -1,8 +1,4 @@
-use std::{
-    io::Write,
-    path::Path,
-    process::Command,
-};
+use std::{io::Write, path::Path, process::Command};
 
 const QEMU_ARGS: &[&str] = &[
     "-device",