diff --git a/crates/aep/examples/aepcheck3281.rs b/crates/aep/examples/aepcheck3281.rs
deleted file mode 100644
index 0ed70c5eb..000000000
--- a/crates/aep/examples/aepcheck3281.rs
+++ /dev/null
@@ -1,105 +0,0 @@
-//! Local check tool for #3281 (never committed).
-//! aepcheck3281 dump <dir>            -> per fixture: hashes of the imported project, import report, export bytes, export report
-//! aepcheck3281 bench <file> <reps>   -> median import / export time in microseconds
-//! aepcheck3281 scale <in.aep> <n> <out.aep>
-#![allow(clippy::unwrap_used, clippy::expect_used, clippy::panic)]
-use std::hint::black_box;
-use std::time::Instant;
-
-use effectcraft_aep::{Body, Chunk};
-
-fn fnv(bytes: &[u8]) -> u64 {
-    let mut h: u64 = 0xcbf2_9ce4_8422_2325;
-    for b in bytes {
-        h ^= u64::from(*b);
-        h = h.wrapping_mul(0x0100_0000_01b3);
-    }
-    h
-}
-
-fn dump(dir: &str) {
-    let mut names: Vec<_> = std::fs::read_dir(dir).unwrap().filter_map(|e| e.ok()).map(|e| e.path()).collect();
-    names.sort();
-    let exists = |_: &str| true;
-    let opts = effectcraft_aep::import::ImportOptions { allow_losses: true, ..effectcraft_aep::import::ImportOptions::new(&exists) };
-    for path in names {
-        let ext = path.extension().and_then(|e| e.to_str()).unwrap_or("");
-        if ext != "aep" && ext != "aepx" {
-            continue;
-        }
-        let bytes = std::fs::read(&path).unwrap();
-        let name = path.file_name().unwrap().to_string_lossy().to_string();
-        let mut p = effectcraft_project::Project::default();
-        match effectcraft_aep::import::import(&mut p, &bytes, &opts) {
-            Ok(r) => {
-                let pj = serde_json::to_vec(&p).unwrap();
-                let rj = serde_json::to_vec(&r.report).unwrap();
-                let summary = (r.report.total_losses(), r.report.is_lossless(), r.report.summary());
-                let eo = effectcraft_aep::export::ExportOptions { allow_losses: true };
-                let (eb, er, es) = match effectcraft_aep::export::export(&p, &eo) {
-                    Ok(x) => (
-                        fnv(&x.bytes),
-                        fnv(&serde_json::to_vec(&x.report).unwrap()),
-                        format!("{:?}", (x.report.total_losses(), x.report.is_lossless(), x.report.summary())),
-                    ),
-                    Err(e) => (0, 0, format!("ERR {e}")),
-                };
-                println!("{name} project={:016x} report={:016x} export={eb:016x} export_report={er:016x} isum={summary:?} esum={es}", fnv(&pj), fnv(&rj));
-            }
-            Err(e) => println!("{name} IMPORT ERR {e}"),
-        }
-    }
-}
-
-fn time<T>(reps: usize, mut f: impl FnMut() -> T) -> f64 {
-    let mut v = Vec::with_capacity(reps);
-    for _ in 0..reps {
-        let t = Instant::now();
-        black_box(f());
-        v.push(t.elapsed().as_secs_f64() * 1e6);
-    }
-    v.sort_by(f64::total_cmp);
-    v[v.len() / 2]
-}
-
-fn bench(path: &str, reps: usize) {
-    let bytes = std::fs::read(path).unwrap();
-    let exists = |_: &str| true;
-    let opts = effectcraft_aep::import::ImportOptions { allow_losses: true, ..effectcraft_aep::import::ImportOptions::new(&exists) };
-    let m = time(reps, || {
-        let mut p = effectcraft_project::Project::default();
-        effectcraft_aep::import::import(&mut p, &bytes, &opts).map(|r| r.items.len()).ok()
-    });
-    println!("import {m:.1} us");
-    let mut proj = effectcraft_project::Project::default();
-    effectcraft_aep::import::import(&mut proj, &bytes, &opts).unwrap();
-    let eo = effectcraft_aep::export::ExportOptions { allow_losses: true };
-    let m = time(reps, || effectcraft_aep::export::export(&proj, &eo).map(|r| r.bytes.len()).ok());
-    println!("export {m:.1} us");
-}
-
-fn scale(input: &str, n: usize, out: &str) {
-    let bytes = std::fs::read(input).unwrap();
-    let mut file = effectcraft_aep::parse(&bytes).unwrap();
-    for c in &mut file.chunks {
-        if c.is_list(b"Fold")
-            && let Body::List { children, .. } = &mut c.body
-        {
-            let items: Vec<Chunk<'_>> = children.iter().filter(|c| c.is_list(b"Item")).cloned().collect();
-            for _ in 1..n {
-                children.extend(items.iter().cloned());
-            }
-        }
-    }
-    std::fs::write(out, effectcraft_aep::write(&file).unwrap()).unwrap();
-}
-
-fn main() {
-    let a: Vec<String> = std::env::args().collect();
-    match a.get(1).map(String::as_str) {
-        Some("dump") => dump(&a[2]),
-        Some("bench") => bench(&a[2], a.get(3).and_then(|s| s.parse().ok()).unwrap_or(20)),
-        Some("scale") => scale(&a[2], a[3].parse().unwrap(), &a[4]),
-        _ => eprintln!("usage: see the top of this file"),
-    }
-}