diff --git a/updater/src/main.rs b/updater/src/main.rs
index 493355c386..7b712424ea 100644
--- a/updater/src/main.rs
+++ b/updater/src/main.rs
@@ -7,7 +7,7 @@ use anyhow::{Context, Result};
 use walkdir::WalkDir;
 
 use abstio::{DataPacks, Entry, Manifest};
-use abstutil::{prettyprint_usize, CmdArgs, Parallelism, Timer};
+use abstutil::{must_run_cmd, prettyprint_usize, CmdArgs, Parallelism, Timer};
 use geom::Percent;
 
 const MD5_BUF_READ_SIZE: usize = 4096;
@@ -227,20 +227,6 @@ fn md5sum(path: &str) -> (String, usize) {
     (format!("{:x}", context.compute()), uncompressed_size_bytes)
 }
 
-fn must_run_cmd(cmd: &mut Command) {
-    println!("> Running {:?}", cmd);
-    match cmd.status() {
-        Ok(status) => {
-            if !status.success() {
-                panic!("{:?} failed", cmd);
-            }
-        }
-        Err(err) => {
-            panic!("Failed to run {:?}: {:?}", cmd, err);
-        }
-    }
-}
-
 fn rm(path: &str) {
     println!("> rm {}", path);
     match std::fs::remove_file(path) {