diff --git a/crates/engine/src/lib.rs b/crates/engine/src/lib.rs
index b4840a09..fb4352f8 100644
--- a/crates/engine/src/lib.rs
+++ b/crates/engine/src/lib.rs
@@ -5,8 +5,7 @@ mod note; pub use self::note::*;
 pub mod jack; pub use self::jack::*;
 pub mod midi; pub use self::midi::*;
 
-pub(crate) use std::sync::{Arc, RwLock, atomic::{AtomicUsize, AtomicBool, Ordering::Relaxed}};
-pub(crate) use std::path::PathBuf;
+pub(crate) use std::sync::{Arc, atomic::{AtomicUsize, AtomicBool, Ordering::Relaxed}};
 pub(crate) use std::fmt::Debug;
 pub(crate) use std::ops::{Add, Sub, Mul, Div, Rem};
 
diff --git a/deps/tengri b/deps/tengri
index ab07fd2b..60c07710 160000
--- a/deps/tengri
+++ b/deps/tengri
@@ -1 +1 @@
-Subproject commit ab07fd2b4303e1c91325aa3f5bc0014ec5a82961
+Subproject commit 60c077102421ed8a7d6cb8674e4380ec6396ca84