3 files changed, 4 insertions, 4 deletions
diff --git a/src/librustdoc/clean/cfg.rs b/src/librustdoc/clean/cfg.rs
index 11f45c5f6d0..09f4873967e 100644
--- a/src/librustdoc/clean/cfg.rs
+++ b/src/librustdoc/clean/cfg.rs
@@ -404,7 +404,7 @@ impl<'a> fmt::Display for Html<'a> {
                 if !human_readable.is_empty() {
                     fmt.write_str(human_readable)
                 } else if let Some(v) = value {
-                    write!(fmt, "<code>{}=\"{}\"</code>", Escape(n), Escape(&*v.as_str()))
+                    write!(fmt, "<code>{}=\"{}\"</code>", Escape(n), Escape(&v.as_str()))
                 } else {
                     write!(fmt, "<code>{}</code>", Escape(n))
                 }
diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs
index bdc02062230..e7f76155252 100644
--- a/src/librustdoc/clean/mod.rs
+++ b/src/librustdoc/clean/mod.rs
@@ -1167,7 +1167,7 @@ fn external_path(cx: &DocContext<'_>, name: Symbol, trait_did: Option<DefId>, ha
         global: false,
         res: Res::Err,
         segments: vec![PathSegment {
-            name: name.as_str().to_string(),
+            name: name.to_string(),
             args: external_generic_args(cx, trait_did, has_self, bindings, substs)
         }],
     }
@@ -3704,7 +3704,7 @@ fn qpath_to_string(p: &hir::QPath) -> String {
             s.push_str("::");
         }
         if seg.ident.name != kw::PathRoot {
-            s.push_str(&*seg.ident.as_str());
+            s.push_str(&seg.ident.as_str());
         }
     }
     s
diff --git a/src/librustdoc/html/render.rs b/src/librustdoc/html/render.rs
index c4ee84d33f3..29f0b99d8ee 100644
--- a/src/librustdoc/html/render.rs
+++ b/src/librustdoc/html/render.rs
@@ -2964,7 +2964,7 @@ fn render_attribute(attr: &ast::MetaItem) -> Option<String> {
     if attr.is_word() {
         Some(path)
     } else if let Some(v) = attr.value_str() {
-        Some(format!("{} = {:?}", path, v.as_str()))
+        Some(format!("{} = {:?}", path, v))
     } else if let Some(values) = attr.meta_item_list() {
         let display: Vec<_> = values.iter().filter_map(|attr| {
             attr.meta_item().and_then(|mi| render_attribute(mi))