diff --git a/src/test/ui/consts/const-for.stderr b/src/test/ui/consts/const-for.stderr
index b0dc43eb8e850..f2e1c8a4991a3 100644
--- a/src/test/ui/consts/const-for.stderr
+++ b/src/test/ui/consts/const-for.stderr
@@ -7,8 +7,8 @@ LL |     for _ in 0..5 {}
 note: impl defined here, but it is not `const`
   --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
    |
-LL | impl<I: Iterator> IntoIterator for I {
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL | impl<I: ~const Iterator> const IntoIterator for I {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = note: calls in constants are limited to constant functions, tuple structs and tuple variants
 
 error[E0015]: cannot call non-const fn `<std::ops::Range<i32> as Iterator>::next` in constants
diff --git a/src/test/ui/never_type/issue-52443.stderr b/src/test/ui/never_type/issue-52443.stderr
index 8c1755205f025..c2079a19d0a58 100644
--- a/src/test/ui/never_type/issue-52443.stderr
+++ b/src/test/ui/never_type/issue-52443.stderr
@@ -47,8 +47,8 @@ LL |     [(); { for _ in 0usize.. {}; 0}];
 note: impl defined here, but it is not `const`
   --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
    |
-LL | impl<I: Iterator> IntoIterator for I {
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL | impl<I: ~const Iterator> const IntoIterator for I {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = note: calls in constants are limited to constant functions, tuple structs and tuple variants
 
 error[E0658]: mutable references are not allowed in constants