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-rw-r--r--compiler/rustc_mir_transform/src/elaborate_box_derefs.rs1
1 files changed, 0 insertions, 1 deletions
diff --git a/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs b/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs
index 294af2455..ef8d6bb65 100644
--- a/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs
+++ b/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs
@@ -8,7 +8,6 @@ use rustc_index::vec::Idx;
use rustc_middle::mir::patch::MirPatch;
use rustc_middle::mir::visit::MutVisitor;
use rustc_middle::mir::*;
-use rustc_middle::ty::subst::Subst;
use rustc_middle::ty::{Ty, TyCtxt};
/// Constructs the types used when accessing a Box's pointer