diff --git a/compiler/rustc_expand/src/proc_macro.rs b/compiler/rustc_expand/src/proc_macro.rs
index 9aa8684677a9..d05a2a0d2d42 100644
--- a/compiler/rustc_expand/src/proc_macro.rs
+++ b/compiler/rustc_expand/src/proc_macro.rs
@@ -1,5 +1,6 @@
 use rustc_ast as ast;
 use rustc_ast::tokenstream::TokenStream;
+use rustc_data_structures::profiling::TimingGuard;
 use rustc_errors::ErrorGuaranteed;
 use rustc_middle::ty::{self, TyCtxt};
 use rustc_parse::parser::{AllowConstBlockItems, ForceCollect, Parser};
@@ -19,6 +20,16 @@ fn exec_strategy(sess: &Session) -> impl pm::bridge::server::ExecutionStrategy +
     }
 }
 
+fn record_expand_proc_macro<'a>(
+    ecx: &ExtCtxt<'a>,
+    name: &'static str,
+    span: Span,
+) -> TimingGuard<'a> {
+    ecx.sess.prof.generic_activity_with_arg_recorder(name, |recorder| {
+        recorder.record_arg_with_span(ecx.sess.source_map(), ecx.expansion_descr(), span);
+    })
+}
+
 pub struct BangProcMacro {
     pub client: pm::bridge::client::Client<pm::TokenStream, pm::TokenStream>,
 }
@@ -30,10 +41,7 @@ fn expand(
         span: Span,
         input: TokenStream,
     ) -> Result<TokenStream, ErrorGuaranteed> {
-        let _timer =
-            ecx.sess.prof.generic_activity_with_arg_recorder("expand_proc_macro", |recorder| {
-                recorder.record_arg_with_span(ecx.sess.source_map(), ecx.expansion_descr(), span);
-            });
+        let _timer = record_expand_proc_macro(ecx, "expand_proc_macro", span);
 
         let proc_macro_backtrace = ecx.ecfg.proc_macro_backtrace;
         let strategy = exec_strategy(ecx.sess);
@@ -61,10 +69,7 @@ fn expand(
         annotation: TokenStream,
         annotated: TokenStream,
     ) -> Result<TokenStream, ErrorGuaranteed> {
-        let _timer =
-            ecx.sess.prof.generic_activity_with_arg_recorder("expand_proc_macro", |recorder| {
-                recorder.record_arg_with_span(ecx.sess.source_map(), ecx.expansion_descr(), span);
-            });
+        let _timer = record_expand_proc_macro(ecx, "expand_proc_macro", span);
 
         let proc_macro_backtrace = ecx.ecfg.proc_macro_backtrace;
         let strategy = exec_strategy(ecx.sess);
@@ -95,12 +100,7 @@ fn expand(
         item: Annotatable,
         _is_derive_const: bool,
     ) -> ExpandResult<Vec<Annotatable>, Annotatable> {
-        let _timer = ecx.sess.prof.generic_activity_with_arg_recorder(
-            "expand_derive_proc_macro_outer",
-            |recorder| {
-                recorder.record_arg_with_span(ecx.sess.source_map(), ecx.expansion_descr(), span);
-            },
-        );
+        let _timer = record_expand_proc_macro(ecx, "expand_derive_proc_macro_outer", span);
 
         // We need special handling for statement items
         // (e.g. `fn foo() { #[derive(Debug)] struct Bar; }`)
@@ -191,7 +191,7 @@ fn expand_derive_macro(
             let invoc_expn_data = invoc_id.expn_data();
             let span = invoc_expn_data.call_site;
             let event_arg = invoc_expn_data.kind.descr();
-            recorder.record_arg_with_span(ecx.sess.source_map(), event_arg.clone(), span);
+            recorder.record_arg_with_span(ecx.sess.source_map(), event_arg, span);
         });
 
     let proc_macro_backtrace = ecx.ecfg.proc_macro_backtrace;