diff --git a/crates/hir/src/lib.rs b/crates/hir/src/lib.rs
index eb19e4b51a8..682d49a21fd 100644
--- a/crates/hir/src/lib.rs
+++ b/crates/hir/src/lib.rs
@@ -59,7 +59,7 @@
     traits::{FnTrait, Solution, SolutionVariables},
     AliasEq, AliasTy, BoundVar, CallableDefId, CallableSig, Canonical, CanonicalVarKinds, Cast,
     DebruijnIndex, InEnvironment, Interner, ProjectionTy, QuantifiedWhereClause, Scalar,
-    Substitution, TraitEnvironment, Ty, TyDefId, TyKind, TyVariableKind, WhereClause,
+    Substitution, TraitEnvironment, Ty, TyBuilder, TyDefId, TyKind, TyVariableKind, WhereClause,
 };
 use itertools::Itertools;
 use rustc_hash::FxHashSet;
@@ -1129,7 +1129,7 @@ pub struct BuiltinType {
 impl BuiltinType {
     pub fn ty(self, db: &dyn HirDatabase, module: Module) -> Type {
         let resolver = module.id.resolver(db.upcast());
-        Type::new_with_resolver(db, &resolver, Ty::builtin(self.inner))
+        Type::new_with_resolver(db, &resolver, TyBuilder::builtin(self.inner))
             .expect("crate not present in resolver")
     }
 
diff --git a/crates/hir_ty/src/lib.rs b/crates/hir_ty/src/lib.rs
index afe5424d62e..be6fe5016c8 100644
--- a/crates/hir_ty/src/lib.rs
+++ b/crates/hir_ty/src/lib.rs
@@ -877,6 +877,23 @@ pub fn fn_ptr(sig: CallableSig) -> Ty {
         })
         .intern(&Interner)
     }
+
+    pub fn builtin(builtin: BuiltinType) -> Ty {
+        match builtin {
+            BuiltinType::Char => TyKind::Scalar(Scalar::Char).intern(&Interner),
+            BuiltinType::Bool => TyKind::Scalar(Scalar::Bool).intern(&Interner),
+            BuiltinType::Str => TyKind::Str.intern(&Interner),
+            BuiltinType::Int(t) => {
+                TyKind::Scalar(Scalar::Int(primitive::int_ty_from_builtin(t))).intern(&Interner)
+            }
+            BuiltinType::Uint(t) => {
+                TyKind::Scalar(Scalar::Uint(primitive::uint_ty_from_builtin(t))).intern(&Interner)
+            }
+            BuiltinType::Float(t) => {
+                TyKind::Scalar(Scalar::Float(primitive::float_ty_from_builtin(t))).intern(&Interner)
+            }
+        }
+    }
 }
 
 impl TyBuilder<hir_def::AdtId> {
@@ -911,23 +928,6 @@ pub fn build(self) -> Ty {
 }
 
 impl Ty {
-    pub fn builtin(builtin: BuiltinType) -> Self {
-        match builtin {
-            BuiltinType::Char => TyKind::Scalar(Scalar::Char).intern(&Interner),
-            BuiltinType::Bool => TyKind::Scalar(Scalar::Bool).intern(&Interner),
-            BuiltinType::Str => TyKind::Str.intern(&Interner),
-            BuiltinType::Int(t) => {
-                TyKind::Scalar(Scalar::Int(primitive::int_ty_from_builtin(t))).intern(&Interner)
-            }
-            BuiltinType::Uint(t) => {
-                TyKind::Scalar(Scalar::Uint(primitive::uint_ty_from_builtin(t))).intern(&Interner)
-            }
-            BuiltinType::Float(t) => {
-                TyKind::Scalar(Scalar::Float(primitive::float_ty_from_builtin(t))).intern(&Interner)
-            }
-        }
-    }
-
     pub fn as_reference(&self) -> Option<(&Ty, Mutability)> {
         match self.kind(&Interner) {
             TyKind::Ref(mutability, ty) => Some((ty, *mutability)),
diff --git a/crates/hir_ty/src/lower.rs b/crates/hir_ty/src/lower.rs
index 5e2024f0a9f..762b226e62b 100644
--- a/crates/hir_ty/src/lower.rs
+++ b/crates/hir_ty/src/lower.rs
@@ -1216,7 +1216,7 @@ pub enum ValueTyDefId {
 /// namespace.
 pub(crate) fn ty_query(db: &dyn HirDatabase, def: TyDefId) -> Binders<Ty> {
     match def {
-        TyDefId::BuiltinType(it) => Binders::new(0, Ty::builtin(it)),
+        TyDefId::BuiltinType(it) => Binders::new(0, TyBuilder::builtin(it)),
         TyDefId::AdtId(it) => type_for_adt(db, it),
         TyDefId::TypeAliasId(it) => type_for_type_alias(db, it),
     }