diff --git a/src/test/mir-opt/nll/region-liveness-basic.rs b/src/test/mir-opt/nll/region-liveness-basic.rs
deleted file mode 100644
index 187d9e6ca899..000000000000
--- a/src/test/mir-opt/nll/region-liveness-basic.rs
+++ /dev/null
@@ -1,58 +0,0 @@
-// Copyright 2012-2016 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-// Basic test for liveness constraints: the region (`R1`) that appears
-// in the type of `p` includes the points after `&v[0]` up to (but not
-// including) the call to `use_x`. The `else` branch is not included.
-
-// compile-flags:-Zborrowck=mir -Zverbose
-//                              ^^^^^^^^^ force compiler to dump more region information
-
-#![allow(warnings)]
-
-fn use_x(_: usize) -> bool { true }
-
-fn main() {
-    let mut v = [1, 2, 3];
-    let p = &v[0];
-    if true {
-        use_x(*p);
-    } else {
-        use_x(22);
-    }
-}
-
-// END RUST SOURCE
-// START rustc.main.nll.0.mir
-// | '_#2r    | {bb2[0..=1], bb3[0..=1]}
-// | '_#3r    | {bb2[1], bb3[0..=1]}
-// ...
-//             let _2: &'_#3r usize;
-// END rustc.main.nll.0.mir
-// START rustc.main.nll.0.mir
-//    bb2: {
-//            | Live variables on entry to bb2[0]: [_1, _3]
-//        _2 = &'_#2r _1[_3];
-//            | Live variables on entry to bb2[1]: [_2]
-//        switchInt(const true) -> [false: bb4, otherwise: bb3];
-//            | Live variables on exit from bb2: [_2]
-//    }
-// END rustc.main.nll.0.mir
-// START rustc.main.nll.0.mir
-//    bb3: {
-//            | Live variables on entry to bb3[0]: [_2]
-//        StorageLive(_7);
-//            | Live variables on entry to bb3[1]: [_2]
-//        _7 = (*_2);
-//            | Live variables on entry to bb3[2]: [_7]
-//        _6 = const use_x(move _7) -> [return: bb5, unwind: bb1];
-//            | Live variables on exit from bb3: []
-//    }
-// END rustc.main.nll.0.mir
diff --git a/src/test/mir-opt/nll/region-liveness-two-disjoint-uses.rs b/src/test/mir-opt/nll/region-liveness-two-disjoint-uses.rs
deleted file mode 100644
index 62064fa94f2f..000000000000
--- a/src/test/mir-opt/nll/region-liveness-two-disjoint-uses.rs
+++ /dev/null
@@ -1,52 +0,0 @@
-// Copyright 2012-2016 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-// Test for the subregion constraints. In this case, the region R3 on
-// `p` includes two disjoint regions of the control-flow graph. The
-// borrows in `&v[0]` and `&v[1]` each (in theory) have to outlive R3,
-// but only at a particular point, and hence they wind up including
-// distinct regions.
-//
-// FIXME(#43234) -- Well, this used to be true, but we modified NLL
-// for the time being to not take location into account.
-
-// compile-flags:-Zborrowck=mir -Zverbose
-//                              ^^^^^^^^^ force compiler to dump more region information
-
-#![allow(warnings)]
-
-fn use_x(_: usize) -> bool { true }
-
-fn main() {
-    let mut v = [1, 2, 3];
-    let mut p = &v[0];
-    if true {
-        use_x(*p);
-    } else {
-        use_x(22);
-    }
-
-    p = &v[1];
-    use_x(*p);
-}
-
-// END RUST SOURCE
-// START rustc.main.nll.0.mir
-// | '_#2r    | {bb2[0..=1], bb3[0..=1], bb8[2..=4]}
-// ...
-// | '_#4r    | {bb2[1], bb3[0..=1], bb8[1..=4]}
-// | '_#5r    | {bb2[1], bb3[0..=1], bb8[2..=4]}
-// ...
-// let mut _2: &'_#5r usize;
-// ...
-// _2 = &'_#2r _1[_3];
-// ...
-// _2 = &'_#4r (*_10);
-// END rustc.main.nll.0.mir