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-rw-r--r--compiler/rustc_lint/src/context/diagnostics.rs3
1 files changed, 0 insertions, 3 deletions
diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs
index c38804e7714..1dfbe1e9382 100644
--- a/compiler/rustc_lint/src/context/diagnostics.rs
+++ b/compiler/rustc_lint/src/context/diagnostics.rs
@@ -159,9 +159,6 @@ pub(super) fn decorate_lint(sess: &Session, diagnostic: BuiltinLintDiag, diag: &
         BuiltinLintDiag::LegacyDeriveHelpers(label_span) => {
             lints::LegacyDeriveHelpers { span: label_span }.decorate_lint(diag);
         }
-        BuiltinLintDiag::ProcMacroBackCompat { crate_name, fixed_version } => {
-            lints::ProcMacroBackCompat { crate_name, fixed_version }.decorate_lint(diag);
-        }
         BuiltinLintDiag::OrPatternsBackCompat(suggestion_span, suggestion) => {
             lints::OrPatternsBackCompat { span: suggestion_span, suggestion }.decorate_lint(diag);
         }