diff --git a/src/librustdoc/html/render/context.rs b/src/librustdoc/html/render/context.rs
index 76e46fa0aa35..069862efde64 100644
--- a/src/librustdoc/html/render/context.rs
+++ b/src/librustdoc/html/render/context.rs
@@ -461,9 +461,9 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> {
             }
         }
 
-        let (mut krate, local_sources, matches) = collect_spans_and_sources(
+        let (local_sources, matches) = collect_spans_and_sources(
             tcx,
-            krate,
+            &krate,
             &src_root,
             include_sources,
             generate_link_to_definition,
@@ -522,7 +522,7 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> {
         };
 
         if emit_crate {
-            krate = sources::render(&mut cx, krate)?;
+            sources::render(&mut cx, &krate)?;
         }
 
         // Build our search index
diff --git a/src/librustdoc/html/render/span_map.rs b/src/librustdoc/html/render/span_map.rs
index 1a8562d05eab..7803a779727c 100644
--- a/src/librustdoc/html/render/span_map.rs
+++ b/src/librustdoc/html/render/span_map.rs
@@ -37,21 +37,21 @@ crate enum LinkFromSrc {
 /// only keep the `lo` and `hi`.
 crate fn collect_spans_and_sources(
     tcx: TyCtxt<'_>,
-    krate: clean::Crate,
+    krate: &clean::Crate,
     src_root: &Path,
     include_sources: bool,
     generate_link_to_definition: bool,
-) -> (clean::Crate, FxHashMap<PathBuf, String>, FxHashMap<Span, LinkFromSrc>) {
+) -> (FxHashMap<PathBuf, String>, FxHashMap<Span, LinkFromSrc>) {
     let mut visitor = SpanMapVisitor { tcx, matches: FxHashMap::default() };
 
     if include_sources {
         if generate_link_to_definition {
             tcx.hir().walk_toplevel_module(&mut visitor);
         }
-        let (krate, sources) = sources::collect_local_sources(tcx, src_root, krate);
-        (krate, sources, visitor.matches)
+        let sources = sources::collect_local_sources(tcx, src_root, &krate);
+        (sources, visitor.matches)
     } else {
-        (krate, Default::default(), Default::default())
+        (Default::default(), Default::default())
     }
 }
 
diff --git a/src/librustdoc/html/sources.rs b/src/librustdoc/html/sources.rs
index 74fcd22adf85..0a9f9741d7bd 100644
--- a/src/librustdoc/html/sources.rs
+++ b/src/librustdoc/html/sources.rs
@@ -16,25 +16,25 @@ use std::ffi::OsStr;
 use std::fs;
 use std::path::{Component, Path, PathBuf};
 
-crate fn render(cx: &mut Context<'_>, krate: clean::Crate) -> Result<clean::Crate, Error> {
+crate fn render(cx: &mut Context<'_>, krate: &clean::Crate) -> Result<(), Error> {
     info!("emitting source files");
 
     let dst = cx.dst.join("src").join(&*krate.name(cx.tcx()).as_str());
     cx.shared.ensure_dir(&dst)?;
 
     let mut collector = SourceCollector { dst, cx, emitted_local_sources: FxHashSet::default() };
-    collector.visit_crate(&krate);
-    Ok(krate)
+    collector.visit_crate(krate);
+    Ok(())
 }
 
 crate fn collect_local_sources<'tcx>(
     tcx: TyCtxt<'tcx>,
     src_root: &Path,
-    krate: clean::Crate,
-) -> (clean::Crate, FxHashMap<PathBuf, String>) {
+    krate: &clean::Crate,
+) -> FxHashMap<PathBuf, String> {
     let mut lsc = LocalSourcesCollector { tcx, local_sources: FxHashMap::default(), src_root };
-    lsc.visit_crate(&krate);
-    (krate, lsc.local_sources)
+    lsc.visit_crate(krate);
+    lsc.local_sources
 }
 
 struct LocalSourcesCollector<'a, 'tcx> {