diff --git a/src/test/ui/issue-15919.rs b/src/test/compile-fail/issue-15919.rs
similarity index 100%
rename from src/test/ui/issue-15919.rs
rename to src/test/compile-fail/issue-15919.rs
diff --git a/src/test/ui/issue-17913.rs b/src/test/compile-fail/issue-17913.rs
similarity index 100%
rename from src/test/ui/issue-17913.rs
rename to src/test/compile-fail/issue-17913.rs
diff --git a/src/test/ui/issue-28625.rs b/src/test/compile-fail/issue-28625.rs
similarity index 100%
rename from src/test/ui/issue-28625.rs
rename to src/test/compile-fail/issue-28625.rs
diff --git a/src/test/ui/issue-32377.rs b/src/test/compile-fail/issue-32377.rs
similarity index 100%
rename from src/test/ui/issue-32377.rs
rename to src/test/compile-fail/issue-32377.rs
diff --git a/src/test/ui/issue-15919.stderr b/src/test/ui/issue-15919.stderr
deleted file mode 100644
index a69e7b43e259..000000000000
--- a/src/test/ui/issue-15919.stderr
+++ /dev/null
@@ -1,4 +0,0 @@
-error: the type `[usize; 18446744073709551615]` is too big for the current architecture
-
-error: aborting due to previous error
-
diff --git a/src/test/ui/issue-17913.stderr b/src/test/ui/issue-17913.stderr
deleted file mode 100644
index ca8a28c0fd78..000000000000
--- a/src/test/ui/issue-17913.stderr
+++ /dev/null
@@ -1,4 +0,0 @@
-error: the type `[&usize; 17293822569102704640]` is too big for the current architecture
-
-error: aborting due to previous error
-
diff --git a/src/test/ui/issue-28625.stderr b/src/test/ui/issue-28625.stderr
deleted file mode 100644
index 90b50f193fb2..000000000000
--- a/src/test/ui/issue-28625.stderr
+++ /dev/null
@@ -1,12 +0,0 @@
-error[E0512]: transmute called with types of different sizes
-  --> $DIR/issue-28625.rs:20:14
-   |
-LL |     unsafe { std::mem::transmute(a) } //~ ERROR transmute called with types of different sizes
-   |              ^^^^^^^^^^^^^^^^^^^
-   |
-   = note: source type: &ArrayPeano<T> (64 bits)
-   = note: target type: &[T] (128 bits)
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0512`.
diff --git a/src/test/ui/issue-32377.stderr b/src/test/ui/issue-32377.stderr
deleted file mode 100644
index a0698885caaf..000000000000
--- a/src/test/ui/issue-32377.stderr
+++ /dev/null
@@ -1,12 +0,0 @@
-error[E0512]: transmute called with types of different sizes
-  --> $DIR/issue-32377.rs:23:14
-   |
-LL |     unsafe { mem::transmute(x) }
-   |              ^^^^^^^^^^^^^^
-   |
-   = note: source type: [usize; 2] (128 bits)
-   = note: target type: Bar<U> (0 bits)
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0512`.