diff --git a/Cargo.toml b/Cargo.toml
index 365f7db37493..53581c4460d1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -171,7 +171,6 @@ derived_hash_with_manual_eq = "allow"
 forget_non_drop = "allow"
 format_collect = "allow"
 needless_doctest_main = "allow"
-new_without_default = "allow"
 non_canonical_clone_impl = "allow"
 non_canonical_partial_ord_impl = "allow"
 self_named_constructors = "allow"
diff --git a/crates/hir-def/src/hir/format_args.rs b/crates/hir-def/src/hir/format_args.rs
index 22864b32894a..b097a721c758 100644
--- a/crates/hir-def/src/hir/format_args.rs
+++ b/crates/hir-def/src/hir/format_args.rs
@@ -433,7 +433,7 @@ pub(crate) fn parse(
     }
 }
 
-#[derive(Debug, Clone, PartialEq, Eq)]
+#[derive(Clone, Debug, Default, Eq, PartialEq)]
 pub struct FormatArgumentsCollector {
     arguments: Vec<FormatArgument>,
     num_unnamed_args: usize,
@@ -452,7 +452,7 @@ impl FormatArgumentsCollector {
     }
 
     pub fn new() -> Self {
-        Self { arguments: vec![], names: vec![], num_unnamed_args: 0, num_explicit_args: 0 }
+        Default::default()
     }
 
     pub fn add(&mut self, arg: FormatArgument) -> usize {