diff --git a/src/librustc_passes/diagnostics.rs b/src/librustc_passes/diagnostics.rs
index a54f8b72be04e..89b8aa81411b3 100644
--- a/src/librustc_passes/diagnostics.rs
+++ b/src/librustc_passes/diagnostics.rs
@@ -228,5 +228,4 @@ pub impl Foo for Bar {
 register_diagnostics! {
     E0472, // asm! is unsupported on this target
     E0561, // patterns aren't allowed in function pointer types
-    E0570, // patterns aren't allowed in methods without bodies
 }