diff --git a/src/lib.rs b/src/lib.rs
index 02e7c61..8532825 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -240,11 +240,10 @@ async fn handler<T: AsyncReadExt + AsyncWriteExt + Unpin>(
                 let _status = socket.read_u32().await?;
                 let mut bus_id = [0u8; 32];
                 socket.read_exact(&mut bus_id).await?;
+                let bus_id_compare = &bus_id[..bus_id.iter().position(|&x| x == 0).unwrap_or(bus_id.len())];
                 current_import_device = None;
                 for device in &server.devices {
-                    let mut expected = device.bus_id.as_bytes().to_vec();
-                    expected.resize(32, 0);
-                    if str_eq(&expected, &bus_id) {
+                    if bus_id_compare == device.bus_id.as_bytes() {
                         current_import_device = Some(device);
                         info!("Found device {:?}", device.path);
                         break;
diff --git a/src/util.rs b/src/util.rs
index 439c4a3..d0d579b 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -20,13 +20,6 @@ pub fn verify_descriptor(desc: &[u8]) {
     assert_eq!(offset, desc.len());
 }
 
-pub fn str_eq(a: &[u8], b: &[u8]) -> bool {
-    let a_idx = a.iter().position(|&x| x == 0).unwrap_or(a.len());
-    let b_idx = b.iter().position(|&x| x == 0).unwrap_or(b.len());
-
-    a[..a_idx] == b[..b_idx]
-}
-
 #[cfg(test)]
 pub(crate) mod tests {
     use std::{