diff --git a/tests/ui/associated-inherent-types/inherent-assoc-ty-mismatch-issue-153539.rs b/tests/ui/associated-inherent-types/inherent-assoc-ty-mismatch-issue-153539.rs
index 019765a1909f..960e19c21a2c 100644
--- a/tests/ui/associated-inherent-types/inherent-assoc-ty-mismatch-issue-153539.rs
+++ b/tests/ui/associated-inherent-types/inherent-assoc-ty-mismatch-issue-153539.rs
@@ -1,6 +1,6 @@
 //@ compile-flags: -Znext-solver=globally
 #![feature(inherent_associated_types)]
-//~^ WARN the feature `inherent_associated_types` is incomplete
+#![expect(incomplete_features)]
 
 // Regression test for https://github.com/rust-lang/rust/issues/153539:
 
diff --git a/tests/ui/associated-inherent-types/inherent-assoc-ty-mismatch-issue-153539.stderr b/tests/ui/associated-inherent-types/inherent-assoc-ty-mismatch-issue-153539.stderr
index 66ca01e845f3..74d88889223f 100644
--- a/tests/ui/associated-inherent-types/inherent-assoc-ty-mismatch-issue-153539.stderr
+++ b/tests/ui/associated-inherent-types/inherent-assoc-ty-mismatch-issue-153539.stderr
@@ -1,12 +1,3 @@
-warning: the feature `inherent_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes
-  --> $DIR/inherent-assoc-ty-mismatch-issue-153539.rs:2:12
-   |
-LL | #![feature(inherent_associated_types)]
-   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #8995 <https://github.com/rust-lang/rust/issues/8995> for more information
-   = note: `#[warn(incomplete_features)]` on by default
-
 error[E0207]: the type parameter `X` is not constrained by the impl trait, self type, or predicates
   --> $DIR/inherent-assoc-ty-mismatch-issue-153539.rs:9:6
    |
@@ -25,7 +16,7 @@ LL |     f(&1)
    = help: consider constraining the associated type `S<'_>::P` to `&'e i32`
    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
 
-error: aborting due to 2 previous errors; 1 warning emitted
+error: aborting due to 2 previous errors
 
 Some errors have detailed explanations: E0207, E0308.
 For more information about an error, try `rustc --explain E0207`.