1 files changed, 0 insertions, 2 deletions
diff --git a/src/lib.rs b/src/lib.rs
index 802a2d5..407c5ac 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -14,8 +14,6 @@
 
 extern crate aligned;
 extern crate bare_metal;
-#[cfg(feature = "singleton")]
-extern crate untagged_option;
 extern crate volatile_register;
 
 #[macro_use]