diff --git a/clippy_lints/src/consts.rs b/clippy_lints/src/consts.rs
index 49ff86a20..c77b80bc2 100644
--- a/clippy_lints/src/consts.rs
+++ b/clippy_lints/src/consts.rs
@@ -517,7 +517,7 @@ pub fn miri_to_const(result: &ty::Const<'_>) -> Option<Constant> {
         ty::ConstKind::Value(ConstValue::Slice { data, start, end }) => match result.ty.kind {
             ty::Ref(_, tam, _) => match tam.kind {
                 ty::Str => String::from_utf8(
-                    data.inspect_with_undef_and_ptr_outside_interpreter(start..end)
+                    data.inspect_with_uninit_and_ptr_outside_interpreter(start..end)
                         .to_owned(),
                 )
                 .ok()
@@ -530,7 +530,7 @@ pub fn miri_to_const(result: &ty::Const<'_>) -> Option<Constant> {
             ty::Array(sub_type, len) => match sub_type.kind {
                 ty::Float(FloatTy::F32) => match miri_to_const(len) {
                     Some(Constant::Int(len)) => alloc
-                        .inspect_with_undef_and_ptr_outside_interpreter(0..(4 * len as usize))
+                        .inspect_with_uninit_and_ptr_outside_interpreter(0..(4 * len as usize))
                         .to_owned()
                         .chunks(4)
                         .map(|chunk| {
@@ -544,7 +544,7 @@ pub fn miri_to_const(result: &ty::Const<'_>) -> Option<Constant> {
                 },
                 ty::Float(FloatTy::F64) => match miri_to_const(len) {
                     Some(Constant::Int(len)) => alloc
-                        .inspect_with_undef_and_ptr_outside_interpreter(0..(8 * len as usize))
+                        .inspect_with_uninit_and_ptr_outside_interpreter(0..(8 * len as usize))
                         .to_owned()
                         .chunks(8)
                         .map(|chunk| {