diff --git a/client/i18n/src/lib.rs b/client/i18n/src/lib.rs
index a074f640f6..774c94df00 100644
--- a/client/i18n/src/lib.rs
+++ b/client/i18n/src/lib.rs
@@ -391,16 +391,14 @@ impl LocalizationGuard {
         fn get_content_for_lang(lang: &Language, content: &Content) -> Result<String, String> {
             match content {
                 Content::Plain(text) => Ok(text.clone()),
-                Content::Key(key) => {
-                    lang.try_msg(key, None)
-                        .map(Cow::into_owned)
-                        .ok_or_else(|| format!("{key}"))
-                },
-                Content::Attr(key, attr) => {
-                    lang.try_attr(key, attr, None)
-                        .map(Cow::into_owned)
-                        .ok_or_else(|| format!("{key}.{attr}"))
-                },
+                Content::Key(key) => lang
+                    .try_msg(key, None)
+                    .map(Cow::into_owned)
+                    .ok_or_else(|| key.to_string()),
+                Content::Attr(key, attr) => lang
+                    .try_attr(key, attr, None)
+                    .map(Cow::into_owned)
+                    .ok_or_else(|| format!("{key}.{attr}")),
                 Content::Localized { key, seed, args } => {
                     // flag to detect failure down the chain
                     let mut is_arg_failure = false;
diff --git a/common/src/bin/csv_export/main.rs b/common/src/bin/csv_export/main.rs
index 24e18b6a6a..dabe050436 100644
--- a/common/src/bin/csv_export/main.rs
+++ b/common/src/bin/csv_export/main.rs
@@ -1,4 +1,5 @@
 #![deny(clippy::clone_on_ref_ptr)]
+#![allow(deprecated)] // since item i18n
 
 use clap::Parser;
 use std::{
diff --git a/common/src/bin/csv_import/main.rs b/common/src/bin/csv_import/main.rs
index 4bbb546e74..83be0d513c 100644
--- a/common/src/bin/csv_import/main.rs
+++ b/common/src/bin/csv_import/main.rs
@@ -1,3 +1,4 @@
+#![allow(deprecated)] // since item i18n
 #![deny(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_fun_call)] //TODO: evaluate to remove this and use `unwrap_or_else(panic!(...))` instead
 
diff --git a/common/src/comp/dialogue.rs b/common/src/comp/dialogue.rs
index f646d09fb1..b23169900f 100644
--- a/common/src/comp/dialogue.rs
+++ b/common/src/comp/dialogue.rs
@@ -119,11 +119,11 @@ impl MoodContext {
                 quantity: _,
             } => {
                 // format!("I need {} {}!", quantity, item.name())
-                format!("I need some item, not just any item!")
+                "I need some item, not just any item!".to_string()
             },
             &MoodContext::MissingItem { item: _ } => {
                 // format!("Someone robbed my {}!", item.name())
-                format!("Someone robbed me of my item!")
+                "Someone robbed me of my item!".to_string()
             },
         }
     }
diff --git a/common/src/comp/inventory/item/mod.rs b/common/src/comp/inventory/item/mod.rs
index 6e39046367..5175246a4d 100644
--- a/common/src/comp/inventory/item/mod.rs
+++ b/common/src/comp/inventory/item/mod.rs
@@ -780,6 +780,7 @@ impl ItemDef {
         tags: Vec<ItemTag>,
         slots: u16,
     ) -> Self {
+        #[allow(deprecated)]
         Self {
             item_definition_id,
             name: "test item name".to_owned(),
@@ -794,6 +795,7 @@ impl ItemDef {
 
     #[cfg(test)]
     pub fn create_test_itemdef_from_kind(kind: ItemKind) -> Self {
+        #[allow(deprecated)]
         Self {
             item_definition_id: "test.item".to_string(),
             name: "test item name".to_owned(),
@@ -1661,18 +1663,15 @@ pub fn all_items_expect() -> Vec<Item> {
     // Grab modular weapons
     let mut modular_items: Vec<Item> = primary_comp_pool
         .keys()
-        .map(|(tool, mat_id)| {
+        .flat_map(|(tool, mat_id)| {
             let mat = material_parse_table
                 .get(mat_id)
                 .expect("unexpected material ident");
 
             // get all weapons without imposing additional hand restrictions
-            let its = modular::generate_weapons(*tool, *mat, None)
-                .expect("failure during modular weapon generation");
-
-            its
+            modular::generate_weapons(*tool, *mat, None)
+                .expect("failure during modular weapon generation")
         })
-        .flatten()
         .collect();
 
     // 1. Append asset items, that should include pretty much everything,