3 files changed, 0 insertions, 16 deletions
diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl
index 22049745754..8f5043862aa 100644
--- a/compiler/rustc_lint/messages.ftl
+++ b/compiler/rustc_lint/messages.ftl
@@ -271,10 +271,6 @@ lint_expectation = this lint expectation is unfulfilled
 lint_extern_crate_not_idiomatic = `extern crate` is not idiomatic in the new edition
     .suggestion = convert it to a `use`
 
-lint_extern_without_abi = `extern` declarations without an explicit ABI are deprecated
-    .label = ABI should be specified here
-    .suggestion = explicitly specify the {$default_abi} ABI
-
 lint_for_loops_over_fallibles =
     for loop over {$article} `{$ref_prefix}{$ty}`. This is more readably written as an `if let` statement
     .suggestion = consider using `if let` to clear intent
diff --git a/compiler/rustc_lint/src/early/diagnostics.rs b/compiler/rustc_lint/src/early/diagnostics.rs
index b5457f98ed4..5f5e1b322bc 100644
--- a/compiler/rustc_lint/src/early/diagnostics.rs
+++ b/compiler/rustc_lint/src/early/diagnostics.rs
@@ -158,9 +158,6 @@ pub fn decorate_builtin_lint(
             }
             .decorate_lint(diag);
         }
-        BuiltinLintDiag::MissingAbi(label_span, default_abi) => {
-            lints::MissingAbi { span: label_span, default_abi }.decorate_lint(diag);
-        }
         BuiltinLintDiag::LegacyDeriveHelpers(label_span) => {
             lints::LegacyDeriveHelpers { span: label_span }.decorate_lint(diag);
         }
diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs
index cf07e716fd0..408774468b4 100644
--- a/compiler/rustc_lint/src/lints.rs
+++ b/compiler/rustc_lint/src/lints.rs
@@ -1,7 +1,6 @@
 #![allow(rustc::untranslatable_diagnostic)]
 use std::num::NonZero;
 
-use rustc_abi::ExternAbi;
 use rustc_errors::codes::*;
 use rustc_errors::{
     Applicability, Diag, DiagArgValue, DiagMessage, DiagStyledString, ElidedLifetimeInPathSubdiag,
@@ -2880,14 +2879,6 @@ pub(crate) struct PatternsInFnsWithoutBodySub {
 }
 
 #[derive(LintDiagnostic)]
-#[diag(lint_extern_without_abi)]
-pub(crate) struct MissingAbi {
-    #[suggestion(code = "extern {default_abi}", applicability = "machine-applicable")]
-    pub span: Span,
-    pub default_abi: ExternAbi,
-}
-
-#[derive(LintDiagnostic)]
 #[diag(lint_legacy_derive_helpers)]
 pub(crate) struct LegacyDeriveHelpers {
     #[label]