diff --git a/tests/mir-opt/copy-prop/dead_stores_better.f.CopyProp.after.panic-abort.mir b/tests/mir-opt/copy-prop/dead_stores_better.f.CopyProp.after.panic-abort.mir
deleted file mode 100644
index 4781fdfd902a..000000000000
--- a/tests/mir-opt/copy-prop/dead_stores_better.f.CopyProp.after.panic-abort.mir
+++ /dev/null
@@ -1,26 +0,0 @@
-// MIR for `f` after CopyProp
-
-fn f(_1: usize) -> usize {
-    debug a => _1;
-    let mut _0: usize;
-    let _2: usize;
-    let mut _3: usize;
-    let mut _4: usize;
-    scope 1 {
-        debug b => _2;
-    }
-
-    bb0: {
-        _2 = copy _1;
-        _1 = const 5_usize;
-        _1 = copy _2;
-        StorageLive(_4);
-        _4 = copy _1;
-        _0 = id::<usize>(move _4) -> [return: bb1, unwind unreachable];
-    }
-
-    bb1: {
-        StorageDead(_4);
-        return;
-    }
-}
diff --git a/tests/mir-opt/copy-prop/dead_stores_better.f.CopyProp.after.panic-unwind.mir b/tests/mir-opt/copy-prop/dead_stores_better.f.CopyProp.after.panic-unwind.mir
deleted file mode 100644
index f5fded45c13b..000000000000
--- a/tests/mir-opt/copy-prop/dead_stores_better.f.CopyProp.after.panic-unwind.mir
+++ /dev/null
@@ -1,26 +0,0 @@
-// MIR for `f` after CopyProp
-
-fn f(_1: usize) -> usize {
-    debug a => _1;
-    let mut _0: usize;
-    let _2: usize;
-    let mut _3: usize;
-    let mut _4: usize;
-    scope 1 {
-        debug b => _2;
-    }
-
-    bb0: {
-        _2 = copy _1;
-        _1 = const 5_usize;
-        _1 = copy _2;
-        StorageLive(_4);
-        _4 = copy _1;
-        _0 = id::<usize>(move _4) -> [return: bb1, unwind continue];
-    }
-
-    bb1: {
-        StorageDead(_4);
-        return;
-    }
-}
diff --git a/tests/mir-opt/copy-prop/dead_stores_better.rs b/tests/mir-opt/copy-prop/dead_stores_better.rs
deleted file mode 100644
index 4b1874294016..000000000000
--- a/tests/mir-opt/copy-prop/dead_stores_better.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-// skip-filecheck
-// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
-// This is a copy of the `dead_stores_79191` test, except that we turn on DSE. This demonstrates
-// that that pass enables this one to do more optimizations.
-
-//@ test-mir-pass: CopyProp
-//@ compile-flags: -Zmir-enable-passes=+DeadStoreElimination
-
-fn id<T>(x: T) -> T {
-    x
-}
-
-// EMIT_MIR dead_stores_better.f.CopyProp.after.mir
-pub fn f(mut a: usize) -> usize {
-    let b = a;
-    a = 5;
-    a = b;
-    id(a)
-}
-
-fn main() {
-    f(0);
-}