diff --git a/tests/crashes/118403.rs b/tests/crashes/118403.rs
deleted file mode 100644
index 21ab15f9ffd0a..0000000000000
--- a/tests/crashes/118403.rs
+++ /dev/null
@@ -1,8 +0,0 @@
-//@ known-bug: #118403
-#![feature(generic_const_exprs)]
-pub struct X<const N: usize> {}
-impl<const Z: usize> X<Z> {
-    pub fn y<'a, U: 'a>(&'a self) -> impl Iterator<Item = impl Iterator<Item = [u8; Z]> + '_> {
-        (0..1).map(move |_| (0..1).map(move |_| loop {}))
-    }
-}
diff --git a/tests/crashes/121574-2.rs b/tests/crashes/121574-2.rs
deleted file mode 100644
index a08f3f063974b..0000000000000
--- a/tests/crashes/121574-2.rs
+++ /dev/null
@@ -1,8 +0,0 @@
-//@ known-bug: #121574
-#![feature(generic_const_exprs)]
-pub struct DimName<const N: usize> {}
-impl<const Z: usize> X<Z> {
-    pub fn y<'a, U: 'a>(&'a self) -> impl Iterator<Item = impl Iterator<Item = [u8; Z]> + '_> {
-        "0".as_bytes(move |_| (0..1).map(move |_| loop {}))
-    }
-}
diff --git a/tests/crashes/121574.rs b/tests/crashes/121574.rs
deleted file mode 100644
index 53eec829c5f38..0000000000000
--- a/tests/crashes/121574.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-//@ known-bug: #121574
-#![feature(generic_const_exprs)]
-
-impl<const Z: usize> X<Z> {
-    pub fn y<'a, U: 'a>(&'a self) -> impl Iterator<Item = impl Iterator<Item = [u8; Z]> + '_> {}
-}