diff --git a/src/constant.rs b/src/constant.rs
index e82ddaaf749..b67637ff214 100644
--- a/src/constant.rs
+++ b/src/constant.rs
@@ -261,11 +261,7 @@ fn data_id_for_static(
         }
 
         let mut data_ctx = DataContext::new();
-        let zero_bytes = std::iter::repeat(0)
-            .take(pointer_ty(tcx).bytes() as usize)
-            .collect::<Vec<u8>>()
-            .into_boxed_slice();
-        data_ctx.define(zero_bytes);
+        data_ctx.define_zeroinit(pointer_ty(tcx).bytes() as usize);
         match module.define_data(data_id, &data_ctx) {
             // Everytime a weak static is referenced, there will be a zero pointer definition,
             // so duplicate definitions are expected and allowed.
diff --git a/src/debuginfo/mod.rs b/src/debuginfo/mod.rs
index f9048ad4010..c90f5fa6aed 100644
--- a/src/debuginfo/mod.rs
+++ b/src/debuginfo/mod.rs
@@ -67,8 +67,8 @@ impl<'tcx> DebugContext<'tcx> {
         dwarf.unit.line_program = line_program;
 
         {
-            let name = dwarf.strings.add(&*name);
-            let comp_dir = dwarf.strings.add(&*comp_dir);
+            let name = dwarf.strings.add(name);
+            let comp_dir = dwarf.strings.add(comp_dir);
 
             let root = dwarf.unit.root();
             let root = dwarf.unit.get_mut(root);