diff --git a/library/std/src/f128/tests.rs b/library/std/src/f128/tests.rs
index b64c7f856a15f..147f248769275 100644
--- a/library/std/src/f128/tests.rs
+++ b/library/std/src/f128/tests.rs
@@ -38,3 +38,9 @@ macro_rules! assert_f128_biteq {
         );
     };
 }
+
+#[test]
+fn test_neg_zero() {
+    // only verify const eval negation until we add the rest of the checks
+    let _neg_zero: f128 = -0.0;
+}
diff --git a/library/std/src/f16/tests.rs b/library/std/src/f16/tests.rs
index d65c43eca4bb8..ee27d726b3d26 100644
--- a/library/std/src/f16/tests.rs
+++ b/library/std/src/f16/tests.rs
@@ -44,3 +44,9 @@ macro_rules! assert_f16_biteq {
         );
     };
 }
+
+#[test]
+fn test_neg_zero() {
+    // only verify const eval negation until we add the rest of the checks
+    let _neg_zero: f16 = -0.0;
+}
diff --git a/tests/crashes/124583.rs b/tests/crashes/124583.rs
deleted file mode 100644
index ffd9d7521add2..0000000000000
--- a/tests/crashes/124583.rs
+++ /dev/null
@@ -1,5 +0,0 @@
-//@ known-bug: rust-lang/rust#124583
-
-fn main() {
-    let _ = -(-0.0f16);
-}