diff --git a/tests/ui/out_of_bounds_indexing/empty_array.rs b/tests/ui/out_of_bounds_indexing/empty_array.rs
deleted file mode 100644
index 884e46eb4ee1..000000000000
--- a/tests/ui/out_of_bounds_indexing/empty_array.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-#![warn(clippy::out_of_bounds_indexing)]
-#![allow(clippy::no_effect, clippy::unnecessary_operation)]
-
-fn main() {
-    let empty: [i8; 0] = [];
-    empty[0];
-    &empty[1..5];
-    &empty[0..=4];
-    &empty[..=4];
-    &empty[1..];
-    &empty[..4];
-    &empty[0..=0];
-    &empty[..=0];
-
-    &empty[0..]; // Ok, should not produce stderr.
-    &empty[0..0]; // Ok, should not produce stderr.
-    &empty[..0]; // Ok, should not produce stderr.
-    &empty[..]; // Ok, should not produce stderr.
-}
diff --git a/tests/ui/out_of_bounds_indexing/empty_array.stderr b/tests/ui/out_of_bounds_indexing/empty_array.stderr
deleted file mode 100644
index cda78a47ec73..000000000000
--- a/tests/ui/out_of_bounds_indexing/empty_array.stderr
+++ /dev/null
@@ -1,54 +0,0 @@
-error: index out of bounds: the len is 0 but the index is 0
-  --> $DIR/empty_array.rs:6:5
-   |
-LL |     empty[0];
-   |     ^^^^^^^^
-   |
-   = note: `#[deny(const_err)]` on by default
-
-error: range is out of bounds
-  --> $DIR/empty_array.rs:7:12
-   |
-LL |     &empty[1..5];
-   |            ^
-   |
-   = note: `-D clippy::out-of-bounds-indexing` implied by `-D warnings`
-
-error: range is out of bounds
-  --> $DIR/empty_array.rs:8:16
-   |
-LL |     &empty[0..=4];
-   |                ^
-
-error: range is out of bounds
-  --> $DIR/empty_array.rs:9:15
-   |
-LL |     &empty[..=4];
-   |               ^
-
-error: range is out of bounds
-  --> $DIR/empty_array.rs:10:12
-   |
-LL |     &empty[1..];
-   |            ^
-
-error: range is out of bounds
-  --> $DIR/empty_array.rs:11:14
-   |
-LL |     &empty[..4];
-   |              ^
-
-error: range is out of bounds
-  --> $DIR/empty_array.rs:12:16
-   |
-LL |     &empty[0..=0];
-   |                ^
-
-error: range is out of bounds
-  --> $DIR/empty_array.rs:13:15
-   |
-LL |     &empty[..=0];
-   |               ^
-
-error: aborting due to 8 previous errors
-
diff --git a/tests/ui/out_of_bounds_indexing/issue-3102.rs b/tests/ui/out_of_bounds_indexing/issue-3102.rs
index edd2123d48a5..f20a0ede1137 100644
--- a/tests/ui/out_of_bounds_indexing/issue-3102.rs
+++ b/tests/ui/out_of_bounds_indexing/issue-3102.rs
@@ -1,5 +1,5 @@
 #![warn(clippy::out_of_bounds_indexing)]
-#![allow(clippy::no_effect)]
+#![allow(clippy::no_effect, const_err)]
 
 fn main() {
     let x = [1, 2, 3, 4];
diff --git a/tests/ui/out_of_bounds_indexing/simple.rs b/tests/ui/out_of_bounds_indexing/simple.rs
index 4c541c23f5f4..590e578d758e 100644
--- a/tests/ui/out_of_bounds_indexing/simple.rs
+++ b/tests/ui/out_of_bounds_indexing/simple.rs
@@ -1,5 +1,5 @@
 #![warn(clippy::out_of_bounds_indexing)]
-#![allow(clippy::no_effect, clippy::unnecessary_operation)]
+#![allow(clippy::no_effect, clippy::unnecessary_operation, const_err)]
 
 fn main() {
     let x = [1, 2, 3, 4];