diff --git a/sphinx-key/src/main.rs b/sphinx-key/src/main.rs
index 5284d24..8d5c8d8 100644
--- a/sphinx-key/src/main.rs
+++ b/sphinx-key/src/main.rs
@@ -5,6 +5,7 @@ mod periph;
 
 use crate::core::{config::*, events::*};
 use crate::periph::led::led_control_loop;
+#[allow(unused_imports)]
 use crate::periph::sd::{mount_sd_card, simple_fs_test};
 
 use anyhow::Result;
diff --git a/sphinx-key/src/periph/sd.rs b/sphinx-key/src/periph/sd.rs
index d17ccee..5c5f7bc 100644
--- a/sphinx-key/src/periph/sd.rs
+++ b/sphinx-key/src/periph/sd.rs
@@ -133,6 +133,7 @@ pub fn mount_sd_card() -> anyhow::Result<()> {
     Ok(())
 }
 
+#[allow(dead_code)]
 pub fn simple_fs_test() {
     // Create and write a file, append a file, read a file, delete a file, create a directory, write a file