diff --git a/src/codegen/patch.rs b/src/codegen/patch.rs
index 666ecf99..a235fcd2 100644
--- a/src/codegen/patch.rs
+++ b/src/codegen/patch.rs
@@ -239,7 +239,7 @@ fn intra_links(doc: &mut Doc) {
                 match () {
                     _ if k == "games" => {}
                     _ if k == "unbanned" => *v = String::from("crate::payloads::UnbanChatMember"),
-                    _ if c.is_lowercase() && !["update"].contains(&&&**k) => {
+                    _ if c.is_lowercase() && !["update"].contains(&&**k) => {
                         repls_m.push(k.clone());
                         *v = format!("crate::payloads::{}", to_uppercase(k));
                     }
diff --git a/src/lib.rs b/src/lib.rs
index 20080d1d..4b65f9c9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -88,6 +88,7 @@
 #![cfg_attr(all(feature = "full", docsrs), deny(rustdoc::broken_intra_doc_links))]
 //#![deny(missing_docs)]
 #![warn(clippy::print_stdout, clippy::dbg_macro)]
+#![allow(clippy::let_and_return)]
 // Unless this becomes machine applicable, I'm not adding 334 #[must_use]s (waffle)
 #![allow(clippy::return_self_not_must_use)]
 // Workaround for CI
diff --git a/src/local_macros.rs b/src/local_macros.rs
index 18ab5103..a1d668cb 100644
--- a/src/local_macros.rs
+++ b/src/local_macros.rs
@@ -1251,7 +1251,7 @@ fn codegen_requester_forward() {
                 .map(|(name, _)| &**name)
                 .collect::<Vec<_>>();
 
-            convert_params.sort();
+            convert_params.sort_unstable();
 
             let prefixes: IndexMap<_, _> = convert_params
                 .iter()
@@ -1259,7 +1259,7 @@ fn codegen_requester_forward() {
                 // Workaround to output the last type as the first letter
                 .chain(["\0"])
                 .tuple_windows()
-                .map(|(l, r)| (l, min_prefix(&l, &r)))
+                .map(|(l, r)| (l, min_prefix(l, r)))
                 .collect();
 
             let args = m
@@ -1287,12 +1287,12 @@ fn codegen_requester_forward() {
                     Convert::Id(_) => None,
                     Convert::Into(ty) => Some(format!(
                         "{}: Into<{}>",
-                        &to_uppercase(&prefixes[&*p.name]),
+                        &to_uppercase(prefixes[&*p.name]),
                         ty
                     )),
                     Convert::Collect(ty) => Some(format!(
                         "{}: IntoIterator<Item = {}>",
-                        &to_uppercase(&prefixes[&*p.name]),
+                        &to_uppercase(prefixes[&*p.name]),
                         ty
                     )),
                 })
diff --git a/src/payloads/codegen.rs b/src/payloads/codegen.rs
index b1c6a86c..c4e266d1 100644
--- a/src/payloads/codegen.rs
+++ b/src/payloads/codegen.rs
@@ -58,14 +58,14 @@ fn codegen_payloads() {
 
         let multipart = multipart_input_file_fields(&method)
             .map(|field| format!("    @[multipart = {}]\n", field.join(", ")))
-            .unwrap_or(String::new());
+            .unwrap_or_else(String::new);
 
         let derive = if !multipart.is_empty()
             || matches!(
                 &*method.names.1,
                 "SendMediaGroup" | "EditMessageMedia" | "EditMessageMediaInline"
             ) {
-            format!("#[derive(Debug, Clone, Serialize)]")
+            "#[derive(Debug, Clone, Serialize)]".to_owned()
         } else {
             format!("#[derive(Debug, PartialEq,{eq_hash_derive}{default_derive} Clone, Serialize)]")
         };
@@ -116,7 +116,7 @@ fn uses(method: &Method) -> String {
             | Type::bool
             | Type::String => Use::Prelude,
             Type::Option(inner) | Type::ArrayOf(inner) => ty_use(inner),
-            Type::RawTy(raw) => Use::Crate(["use crate::types::", &raw, ";"].concat()),
+            Type::RawTy(raw) => Use::Crate(["use crate::types::", raw, ";"].concat()),
             Type::Url => Use::External(String::from("use url::Url;")),
             Type::DateTime => Use::External(String::from("use chrono::{DateTime, Utc};")),
         }
@@ -175,7 +175,7 @@ fn render_doc(doc: &Doc, sibling: Option<&str>) -> String {
 
     [
         "    /// ",
-        &doc.md.replace("\n", "\n    /// "),
+        &doc.md.replace('\n', "\n    /// "),
         &sibling_note,
         &links,
     ]
@@ -218,7 +218,7 @@ fn params(params: impl Iterator<Item = impl Borrow<Param>>) -> String {
     params
         .map(|param| {
             let param = param.borrow();
-            let doc = render_doc(&param.descr, None).replace("\n", "\n        ");
+            let doc = render_doc(&param.descr, None).replace('\n', "\n        ");
             let field = &param.name;
             let ty = &param.ty;
             let flatten = match ty {
diff --git a/src/requests/requester.rs b/src/requests/requester.rs
index 2d611b65..bafb7b01 100644
--- a/src/requests/requester.rs
+++ b/src/requests/requester.rs
@@ -1142,7 +1142,7 @@ fn codegen_requester_methods() {
                 .map(|(name, _)| &**name)
                 .collect::<Vec<_>>();
 
-            convert_params.sort();
+            convert_params.sort_unstable();
 
             let prefixes: IndexMap<_, _> = convert_params
                 .iter()
@@ -1150,7 +1150,7 @@ fn codegen_requester_methods() {
                 // Workaround to output the last type as the first letter
                 .chain(["\0"])
                 .tuple_windows()
-                .map(|(l, r)| (l, min_prefix(&l, &r)))
+                .map(|(l, r)| (l, min_prefix(l, r)))
                 .collect();
 
             let args = m
@@ -1178,12 +1178,12 @@ fn codegen_requester_methods() {
                     Convert::Id(_) => None,
                     Convert::Into(ty) => Some(format!(
                         "{}: Into<{}>",
-                        &to_uppercase(&prefixes[&*p.name]),
+                        &to_uppercase(prefixes[&*p.name]),
                         ty
                     )),
                     Convert::Collect(ty) => Some(format!(
                         "{}: IntoIterator<Item = {}>",
-                        &to_uppercase(&prefixes[&*p.name]),
+                        &to_uppercase(prefixes[&*p.name]),
                         ty
                     )),
                 })