diff --git a/src/libcore/alloc/mod.rs b/src/libcore/alloc/mod.rs
index 4af1a8254a3d..7c104dac0fd6 100644
--- a/src/libcore/alloc/mod.rs
+++ b/src/libcore/alloc/mod.rs
@@ -12,7 +12,7 @@
 
 use crate::fmt;
 use crate::mem;
-use crate::ptr::{self, NonNull, Unique};
+use crate::ptr::{self, NonNull};
 
 /// The `AllocErr` error indicates an allocation failure
 /// that may be due to resource exhaustion or to