--- a/build.rs
+++ b/build.rs
@@ -23,13 +23,7 @@ fn write_version_file() -> io::Result<()> {
     let target = env::var("TARGET").unwrap();
     let version_fname = Path::new(&env::var("OUT_DIR").unwrap()).join("version_string");
     let mut version_file = File::create(&version_fname)?;
-    write!(
-        &mut version_file,
-        "r#\"ion {} ({})\nrev {}\"#",
-        version,
-        target,
-        get_git_rev()?.trim()
-    )?;
+    write!(&mut version_file, "r#\"ion {version} ({target})\n\"#")?;
     Ok(())
 }