diff --git a/src/librustc_mir_build/build/mod.rs b/src/librustc_mir_build/build/mod.rs
index f3f3c3e33a4..215a0c7dfdf 100644
--- a/src/librustc_mir_build/build/mod.rs
+++ b/src/librustc_mir_build/build/mod.rs
@@ -10,7 +10,6 @@
 use rustc_hir::{GeneratorKind, HirIdMap, Node};
 use rustc_index::vec::{Idx, IndexVec};
 use rustc_infer::infer::TyCtxtInferExt;
-use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc_middle::middle::region;
 use rustc_middle::mir::*;
 use rustc_middle::ty::subst::Subst;
@@ -798,22 +797,12 @@ fn args_and_body(
         argument_scope: region::Scope,
         ast_body: &'tcx hir::Expr<'tcx>,
     ) -> BlockAnd<()> {
-        let tcx = self.hir.tcx();
-        let attrs = tcx.codegen_fn_attrs(fn_def_id);
-        let naked = attrs.flags.contains(CodegenFnAttrFlags::NAKED);
-
         // Allocate locals for the function arguments
         for &ArgInfo(ty, _, arg_opt, _) in arguments.iter() {
             let source_info =
                 SourceInfo::outermost(arg_opt.map_or(self.fn_span, |arg| arg.pat.span));
             let arg_local = self.local_decls.push(LocalDecl::with_source_info(ty, source_info));
 
-            // Emit function argument debuginfo only for non-naked functions.
-            // See: https://github.com/rust-lang/rust/issues/42779
-            if naked {
-                continue;
-            }
-
             // If this is a simple binding pattern, give debuginfo a nice name.
             if let Some(arg) = arg_opt {
                 if let Some(ident) = arg.pat.simple_ident() {
@@ -826,6 +815,7 @@ fn args_and_body(
             }
         }
 
+        let tcx = self.hir.tcx();
         let tcx_hir = tcx.hir();
         let hir_typeck_results = self.hir.typeck_results();
 
diff --git a/src/test/codegen/naked-functions.rs b/src/test/codegen/naked-functions.rs
index 758c6c4da92..493c1b9f0ba 100644
--- a/src/test/codegen/naked-functions.rs
+++ b/src/test/codegen/naked-functions.rs
@@ -18,7 +18,7 @@ pub fn naked_empty() {
 // CHECK-NEXT: define void @naked_with_args(i{{[0-9]+( %0)?}})
 pub fn naked_with_args(a: isize) {
     // CHECK-NEXT: {{.+}}:
-    // CHECK-NEXT: %_1 = alloca i{{[0-9]+}}
+    // CHECK-NEXT: %a = alloca i{{[0-9]+}}
     &a; // keep variable in an alloca
     // CHECK: ret void
 }
@@ -39,7 +39,7 @@ pub fn naked_with_return() -> isize {
 #[naked]
 pub fn naked_with_args_and_return(a: isize) -> isize {
     // CHECK-NEXT: {{.+}}:
-    // CHECK-NEXT: %_1 = alloca i{{[0-9]+}}
+    // CHECK-NEXT: %a = alloca i{{[0-9]+}}
     &a; // keep variable in an alloca
     // CHECK: ret i{{[0-9]+}} %{{[0-9]+}}
     a
diff --git a/src/test/debuginfo/function-arguments-naked.rs b/src/test/debuginfo/function-arguments-naked.rs
deleted file mode 100644
index 5f3a1eb44e4..00000000000
--- a/src/test/debuginfo/function-arguments-naked.rs
+++ /dev/null
@@ -1,42 +0,0 @@
-// min-lldb-version: 310
-
-// We have to ignore android because of this issue:
-// https://github.com/rust-lang/rust/issues/74847
-// ignore-android
-//
-// We need to use inline assembly, so just use one platform
-// only-x86_64
-
-// compile-flags:-g
-
-// === GDB TESTS ===================================================================================
-
-// gdb-command:run
-
-// gdb-command:info args
-// gdb-check:No arguments.
-// gdb-command:continue
-
-// === LLDB TESTS ==================================================================================
-
-// lldb-command:run
-
-// lldb-command:frame variable
-// lldbg-check:(unsigned long) = 111 (unsigned long) = 222
-// lldbr-check:(unsigned long) = 111 (unsigned long) = 222
-// lldb-command:continue
-
-
-#![feature(asm)]
-#![feature(naked_functions)]
-#![feature(omit_gdb_pretty_printer_section)]
-#![omit_gdb_pretty_printer_section]
-
-fn main() {
-    naked(111, 222);
-}
-
-#[naked]
-extern "C" fn naked(x: usize, y: usize) {
-    unsafe { asm!("ret"); } // #break
-}