--- a/librubyfmt/build.rs
+++ b/librubyfmt/build.rs
@@ -33,27 +33,9 @@
     let path = env::current_dir()?;
     let ruby_checkout_path = path.join("ruby_checkout");

-    let old_checkout_sha = if ruby_checkout_path.join(ripper).exists() {
-        Some(get_ruby_checkout_sha())
-    } else {
-        None
-    };
-
-    let _ = Command::new("git")
-        .args(["submodule", "update", "--init"])
-        .status();
-
-    let new_checkout_sha = get_ruby_checkout_sha();
-
-    // Only rerun this build if the ruby_checkout has changed
-    match old_checkout_sha {
-        Some(old_sha) if old_sha == new_checkout_sha => {}
-        _ => {
-            make_configure(&ruby_checkout_path)?;
-            run_configure(&ruby_checkout_path)?;
-            build_ruby(&ruby_checkout_path)?;
-        }
-    }
+    make_configure(&ruby_checkout_path)?;
+    run_configure(&ruby_checkout_path)?;
+    build_ruby(&ruby_checkout_path)?;

     let arch = extract_ruby_arch(&ruby_checkout_path);

@@ -225,15 +207,3 @@
         Err(format!("Command {} failed with: {}", command, code).into())
     }
 }
-
-fn get_ruby_checkout_sha() -> String {
-    String::from_utf8(
-        Command::new("git")
-            .args(["rev-parse", "HEAD"])
-            .current_dir("./ruby_checkout")
-            .output()
-            .expect("git rev-parse shouldn't fail")
-            .stdout,
-    )
-    .expect("output should be valid utf8")
-}