1 files changed, 2 insertions, 18 deletions

diff --git a/crates/hir_ty/src/chalk_cast.rs b/crates/hir_ty/src/chalk_cast.rs
index 8bdd32ad6..f27dee3fd 100644
--- a/crates/hir_ty/src/chalk_cast.rs
+++ b/crates/hir_ty/src/chalk_cast.rs
@@ -1,14 +1,8 @@
 //! Implementations of the Chalk `Cast` trait for our types.
 
-use chalk_ir::{
-    cast::{Cast, CastTo},
-    interner::HasInterner,
-};
+use chalk_ir::interner::HasInterner;
 
-use crate::{
-    AliasEq, CallableSig, DomainGoal, GenericArg, GenericArgData, Interner, PolyFnSig,
-    ReturnTypeImplTraits, TraitRef, Ty, WhereClause,
-};
+use crate::{CallableSig, ReturnTypeImplTraits};
 
 macro_rules! has_interner {
     ($t:ty) => {
@@ -18,15 +12,5 @@ macro_rules! has_interner {
     };
 }
 
-macro_rules! transitive_impl {
-    ($a:ty, $b:ty, $c:ty) => {
-        impl CastTo<$c> for $a {
-            fn cast_to(self, interner: &Interner) -> $c {
-                self.cast::<$b>(interner).cast(interner)
-            }
-        }
-    };
-}
-
 has_interner!(CallableSig);
 has_interner!(ReturnTypeImplTraits);