From db47f80d82c1b13da063683736ddd444b26697e2 Mon Sep 17 00:00:00 2001
From: Jonas Bushart <jonas@bushart.org>
Date: Tue, 20 Feb 2024 20:25:31 +0100
Subject: [PATCH 1/4] Move some lints into the workspace lint table

---
 Cargo.toml                                       | 15 +++++++++++++++
 serde_with/src/lib.rs                            | 16 ----------------
 serde_with/tests/hashbrown_0_14.rs               |  2 +-
 serde_with/tests/indexmap_1.rs                   |  2 +-
 serde_with/tests/indexmap_2.rs                   |  2 +-
 serde_with/tests/rust.rs                         |  4 ++--
 serde_with/tests/schemars_0_8.rs                 |  6 +++---
 serde_with/tests/utils.rs                        |  2 +-
 serde_with/tests/version_numbers.rs              |  2 +-
 serde_with_macros/src/lib.rs                     | 15 +--------------
 serde_with_macros/tests/skip_serializing_null.rs |  6 ++++++
 11 files changed, 32 insertions(+), 40 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index d7171b94..add223ff 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,8 +24,17 @@ sign-tag = true
 tag = false
 
 [workspace.lints.rust]
+missing_docs = "warn"
+rust_2018_idioms = "warn"
+trivial_casts = "warn"
+trivial_numeric_casts = "warn"
+unused_extern_crates = "warn"
+unused_import_braces = "warn"
+unused_qualifications = "warn"
+variant_size_differences = "warn"
 
 [workspace.lints.clippy]
+# alloc_instead_of_core = "warn"
 # Checks for usage of `cloned()` on an `Iterator` or `Option` where `copied()` could be used instead.
 cloned_instead_of_copied = "warn"
 # Checks for literal calls to `Default::default()`.
@@ -35,3 +44,9 @@ default_trait_access = "warn"
 # doc_markdown = "warn"
 # Checks for closures which only invoke a method on the closure argument and can be replaced by referencing the method directly.
 redundant_closure_for_method_calls = "warn"
+semicolon_if_nothing_returned = "warn"
+# std_instead_of_core = "warn"
+# std_instead_of_alloc = "warn"
+
+[workspace.lints.rustdoc]
+missing_crate_level_docs = "warn"
diff --git a/serde_with/src/lib.rs b/serde_with/src/lib.rs
index e0c8e7ce..2ac6019e 100644
--- a/serde_with/src/lib.rs
+++ b/serde_with/src/lib.rs
@@ -1,19 +1,3 @@
-#![warn(
-    clippy::semicolon_if_nothing_returned,
-    // New clippy lints, not yet stable
-    // clippy::std_instead_of_core,
-    // clippy::std_instead_of_alloc,
-    // clippy::alloc_instead_of_core,
-    missing_docs,
-    rust_2018_idioms,
-    rustdoc::missing_crate_level_docs,
-    trivial_casts,
-    trivial_numeric_casts,
-    unused_extern_crates,
-    unused_import_braces,
-    unused_qualifications,
-    variant_size_differences,
-)]
 #![doc(test(attr(forbid(unsafe_code))))]
 #![doc(test(attr(deny(
     missing_debug_implementations,
diff --git a/serde_with/tests/hashbrown_0_14.rs b/serde_with/tests/hashbrown_0_14.rs
index 7a416276..6f3e1d01 100644
--- a/serde_with/tests/hashbrown_0_14.rs
+++ b/serde_with/tests/hashbrown_0_14.rs
@@ -235,7 +235,7 @@ fn duplicate_value_last_wins_hashset() {
         where
             H: std::hash::Hasher,
         {
-            self.0.hash(state)
+            self.0.hash(state);
         }
     }
 
diff --git a/serde_with/tests/indexmap_1.rs b/serde_with/tests/indexmap_1.rs
index fcd268f3..58e4c976 100644
--- a/serde_with/tests/indexmap_1.rs
+++ b/serde_with/tests/indexmap_1.rs
@@ -195,7 +195,7 @@ fn duplicate_value_last_wins_indexset() {
         where
             H: std::hash::Hasher,
         {
-            self.0.hash(state)
+            self.0.hash(state);
         }
     }
 
diff --git a/serde_with/tests/indexmap_2.rs b/serde_with/tests/indexmap_2.rs
index 0207846b..350a94c2 100644
--- a/serde_with/tests/indexmap_2.rs
+++ b/serde_with/tests/indexmap_2.rs
@@ -195,7 +195,7 @@ fn duplicate_value_last_wins_indexset() {
         where
             H: std::hash::Hasher,
         {
-            self.0.hash(state)
+            self.0.hash(state);
         }
     }
 
diff --git a/serde_with/tests/rust.rs b/serde_with/tests/rust.rs
index 9b3efeff..8dfa91cb 100644
--- a/serde_with/tests/rust.rs
+++ b/serde_with/tests/rust.rs
@@ -218,7 +218,7 @@ fn duplicate_value_first_wins_hashset() {
         where
             H: std::hash::Hasher,
         {
-            self.0.hash(state)
+            self.0.hash(state);
         }
     }
 
@@ -279,7 +279,7 @@ fn duplicate_value_last_wins_hashset() {
         where
             H: std::hash::Hasher,
         {
-            self.0.hash(state)
+            self.0.hash(state);
         }
     }
 
diff --git a/serde_with/tests/schemars_0_8.rs b/serde_with/tests/schemars_0_8.rs
index aa38cc26..bf3926ed 100644
--- a/serde_with/tests/schemars_0_8.rs
+++ b/serde_with/tests/schemars_0_8.rs
@@ -351,7 +351,7 @@ mod array {
     fn test_oob_item() {
         check_matches_schema::<FixedArray>(&json!({
             "array": [-1, 0x1_0000_0000i64, 32]
-        }))
+        }));
     }
 }
 
@@ -417,7 +417,7 @@ mod bool_from_int {
     fn test_fractional_value_strict() {
         check_matches_schema::<BoolStrict>(&json!({
             "value": 0.5
-        }))
+        }));
     }
 
     #[test]
@@ -425,7 +425,7 @@ mod bool_from_int {
     fn test_fractional_value_flexible() {
         check_matches_schema::<BoolFlexible>(&json!({
             "value": 0.5
-        }))
+        }));
     }
 }
 
diff --git a/serde_with/tests/utils.rs b/serde_with/tests/utils.rs
index e86d3868..5098f2d8 100644
--- a/serde_with/tests/utils.rs
+++ b/serde_with/tests/utils.rs
@@ -75,7 +75,7 @@ where
         &serde_json::from_str::<T>(deserialize_from)
             .unwrap_err()
             .to_string(),
-    )
+    );
 }
 
 #[track_caller]
diff --git a/serde_with/tests/version_numbers.rs b/serde_with/tests/version_numbers.rs
index fb8193d7..ced72051 100644
--- a/serde_with/tests/version_numbers.rs
+++ b/serde_with/tests/version_numbers.rs
@@ -60,7 +60,7 @@ fn test_docs_rs_url_point_to_current_version() -> Result<(), Box<dyn std::error:
                             line_number + 1,
                             pkg_version,
                             capture.get(0).expect("Group 0 always exists").as_str()
-                        )
+                        );
                     }
                     _ => {}
                 }
diff --git a/serde_with_macros/src/lib.rs b/serde_with_macros/src/lib.rs
index eda3c32b..ca70c481 100644
--- a/serde_with_macros/src/lib.rs
+++ b/serde_with_macros/src/lib.rs
@@ -1,18 +1,5 @@
 #![forbid(unsafe_code)]
-#![warn(
-    clippy::semicolon_if_nothing_returned,
-    missing_copy_implementations,
-    missing_debug_implementations,
-    missing_docs,
-    rust_2018_idioms,
-    rustdoc::missing_crate_level_docs,
-    trivial_casts,
-    trivial_numeric_casts,
-    unused_extern_crates,
-    unused_import_braces,
-    unused_qualifications,
-    variant_size_differences
-)]
+#![warn(missing_copy_implementations, missing_debug_implementations)]
 #![doc(test(attr(forbid(unsafe_code))))]
 #![doc(test(attr(deny(
     missing_debug_implementations,
diff --git a/serde_with_macros/tests/skip_serializing_null.rs b/serde_with_macros/tests/skip_serializing_null.rs
index 53412ef1..dc48334b 100644
--- a/serde_with_macros/tests/skip_serializing_null.rs
+++ b/serde_with_macros/tests/skip_serializing_null.rs
@@ -43,6 +43,8 @@ struct DataBasic {
 }
 test!(test_basic, DataBasic);
 
+// This tests different ways of qualifying the Option type
+#[allow(unused_qualifications)]
 #[skip_serializing_none]
 #[derive(Debug, Eq, PartialEq, Serialize, Deserialize)]
 struct DataFullyQualified {
@@ -116,11 +118,15 @@ fn test_serialize_always() {
     assert_eq!(data, serde_json::from_value(res).unwrap());
 }
 
+// This tests different ways of qualifying the Option type
+#[allow(unused_qualifications)]
 #[skip_serializing_none]
 #[derive(Debug, Eq, PartialEq, Serialize)]
 struct DataTuple(Option<String>, std::option::Option<String>);
 test_tuple!(test_tuple, DataTuple);
 
+// This tests different ways of qualifying the Option type
+#[allow(unused_qualifications)]
 #[skip_serializing_none]
 #[derive(Debug, Eq, PartialEq, Serialize)]
 enum DataEnum {

From 510e7649479a6c2bcc0a0e175e7df0bf83e41b99 Mon Sep 17 00:00:00 2001
From: Jonas Bushart <jonas@bushart.org>
Date: Tue, 20 Feb 2024 22:45:37 +0100
Subject: [PATCH 2/4] More lint cleanups

---
 Cargo.toml                   |  8 ++++++++
 serde_with/src/de/impls.rs   |  4 ++--
 serde_with/src/lib.rs        | 11 -----------
 serde_with/src/ser/impls.rs  |  4 ++--
 serde_with_macros/src/lib.rs |  6 ++----
 5 files changed, 14 insertions(+), 19 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index add223ff..33adcdb3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,8 +32,16 @@ unused_extern_crates = "warn"
 unused_import_braces = "warn"
 unused_qualifications = "warn"
 variant_size_differences = "warn"
+# Unsafe code is needed for array initialization using MaybeUninit.
+# unsafe_code = "forbid"
 
 [workspace.lints.clippy]
+# These lints have false positives and are disabled until they are fixed.
+
+# explicit_auto_deref suggests code that does not compile
+# https://github.com/rust-lang/rust-clippy/issues/9841
+explicit_auto_deref = "allow"
+
 # alloc_instead_of_core = "warn"
 # Checks for usage of `cloned()` on an `Iterator` or `Option` where `copied()` could be used instead.
 cloned_instead_of_copied = "warn"
diff --git a/serde_with/src/de/impls.rs b/serde_with/src/de/impls.rs
index 6ae1f0fa..00647fdc 100644
--- a/serde_with/src/de/impls.rs
+++ b/serde_with/src/de/impls.rs
@@ -14,9 +14,9 @@ use indexmap_2::{IndexMap as IndexMap2, IndexSet as IndexSet2};
 type BoxedSlice<T> = Box<[T]>;
 
 pub(crate) mod macros {
-    // The unused_import lint has false-positives around macros
+    // The unused_imports lint has false-positives around macros
     // https://github.com/rust-lang/rust/issues/78894
-    #![allow(unused_import)]
+    #![allow(unused_imports)]
 
     macro_rules! foreach_map {
         ($m:ident) => {
diff --git a/serde_with/src/lib.rs b/serde_with/src/lib.rs
index 2ac6019e..60562b2b 100644
--- a/serde_with/src/lib.rs
+++ b/serde_with/src/lib.rs
@@ -14,17 +14,6 @@
 #![doc(test(no_crate_inject))]
 #![doc(html_root_url = "https://docs.rs/serde_with/3.6.1/")]
 #![cfg_attr(docsrs, feature(doc_cfg))]
-#![allow(
-    // clippy is broken and shows wrong warnings
-    // clippy on stable does not know yet about the lint name
-    unknown_lints,
-    // https://github.com/rust-lang/rust-clippy/issues/8560
-    clippy::only_used_in_recursion,
-    // https://github.com/rust-lang/rust-clippy/issues/8867
-    clippy::derive_partial_eq_without_eq,
-    // https://github.com/rust-lang/rust-clippy/issues/9101
-    clippy::explicit_auto_deref
-)]
 #![no_std]
 
 //! [![crates.io badge](https://img.shields.io/crates/v/serde_with.svg)](https://crates.io/crates/serde_with/)
diff --git a/serde_with/src/ser/impls.rs b/serde_with/src/ser/impls.rs
index 96c9915c..dac8cfa9 100644
--- a/serde_with/src/ser/impls.rs
+++ b/serde_with/src/ser/impls.rs
@@ -15,9 +15,9 @@ type BoxedSlice<T> = Box<[T]>;
 type Slice<T> = [T];
 
 pub(crate) mod macros {
-    // The unused_import lint has false-positives around macros
+    // The unused_imports lint has false-positives around macros
     // https://github.com/rust-lang/rust/issues/78894
-    #![allow(unused_import)]
+    #![allow(unused_imports)]
 
     macro_rules! foreach_map {
     ($m:ident) => {
diff --git a/serde_with_macros/src/lib.rs b/serde_with_macros/src/lib.rs
index ca70c481..88870091 100644
--- a/serde_with_macros/src/lib.rs
+++ b/serde_with_macros/src/lib.rs
@@ -1,3 +1,5 @@
+// Cleanup when workspace lints can be overriden
+// https://github.com/rust-lang/cargo/issues/13157
 #![forbid(unsafe_code)]
 #![warn(missing_copy_implementations, missing_debug_implementations)]
 #![doc(test(attr(forbid(unsafe_code))))]
@@ -15,10 +17,6 @@
 // Not needed for 2018 edition and conflicts with `rust_2018_idioms`
 #![doc(test(no_crate_inject))]
 #![doc(html_root_url = "https://docs.rs/serde_with_macros/3.6.1/")]
-// Necessary to silence the warning about clippy::unknown_clippy_lints on nightly
-#![allow(renamed_and_removed_lints)]
-// Necessary for nightly clippy lints
-#![allow(clippy::unknown_clippy_lints)]
 // Tarpaulin does not work well with proc macros and marks most of the lines as uncovered.
 #![cfg(not(tarpaulin_include))]
 

From 80be00db2f52a9831ef47c1f20ca756c582040d6 Mon Sep 17 00:00:00 2001
From: Jonas Bushart <jonas@bushart.org>
Date: Tue, 20 Feb 2024 22:45:49 +0100
Subject: [PATCH 3/4] Remove unneeded extern crate

---
 serde_with_macros/src/lib.rs | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/serde_with_macros/src/lib.rs b/serde_with_macros/src/lib.rs
index 88870091..01b19553 100644
--- a/serde_with_macros/src/lib.rs
+++ b/serde_with_macros/src/lib.rs
@@ -27,9 +27,6 @@
 //!
 //! [`serde_with`]: https://crates.io/crates/serde_with/
 
-#[allow(unused_extern_crates)]
-extern crate proc_macro;
-
 mod apply;
 mod utils;
 

From f3892d0ec1b34b5abba3600b502bde8845cd5552 Mon Sep 17 00:00:00 2001
From: Jonas Bushart <jonas@bushart.org>
Date: Tue, 20 Feb 2024 23:06:42 +0100
Subject: [PATCH 4/4] Cleanup more lints

---
 serde_with/src/de/impls.rs                      | 8 --------
 serde_with/src/serde_conv.rs                    | 1 -
 serde_with/src/utils.rs                         | 3 ---
 serde_with/tests/base64.rs                      | 5 -----
 serde_with/tests/chrono_0_4.rs                  | 8 --------
 serde_with/tests/derives/lib.rs                 | 8 --------
 serde_with/tests/hashbrown_0_14.rs              | 8 --------
 serde_with/tests/hex.rs                         | 8 --------
 serde_with/tests/indexmap_1.rs                  | 8 --------
 serde_with/tests/indexmap_2.rs                  | 8 --------
 serde_with/tests/json.rs                        | 8 --------
 serde_with/tests/rust.rs                        | 8 --------
 serde_with/tests/serde_as/lib.rs                | 8 --------
 serde_with/tests/time_0_3.rs                    | 8 --------
 serde_with/tests/version_numbers.rs             | 4 ----
 serde_with/tests/with_prefix.rs                 | 8 --------
 serde_with_macros/tests/version_numbers.rs      | 4 ----
 serde_with_test/tests/derive_display_fromstr.rs | 2 +-
 serde_with_test/tests/flattened_maybe.rs        | 2 +-
 serde_with_test/tests/serde_as_cfg.rs           | 2 +-
 serde_with_test/tests/serde_conv.rs             | 2 +-
 serde_with_test/tests/with_prefix.rs            | 2 +-
 22 files changed, 5 insertions(+), 118 deletions(-)

diff --git a/serde_with/src/de/impls.rs b/serde_with/src/de/impls.rs
index 00647fdc..08eb0994 100644
--- a/serde_with/src/de/impls.rs
+++ b/serde_with/src/de/impls.rs
@@ -378,10 +378,6 @@ macro_rules! seq_impl {
         $with_capacity:expr,
         $append:ident
     ) => {
-        // Fix for clippy regression in macros on stable
-        // The bug no longer exists on nightly
-        // https://github.com/rust-lang/rust-clippy/issues/7768
-        #[allow(clippy::semicolon_if_nothing_returned)]
         impl<'de, T, U $(, $typaram)*> DeserializeAs<'de, $ty<T $(, $typaram)*>> for $ty<U $(, $typaram)*>
         where
             U: DeserializeAs<'de, T>,
@@ -442,10 +438,6 @@ macro_rules! map_impl {
         $ty:ident < K $(: $kbound1:ident $(+ $kbound2:ident)*)*, V $(, $typaram:ident : $bound1:ident $(+ $bound2:ident)*)* >,
         $with_capacity:expr
     ) => {
-        // Fix for clippy regression in macros on stable
-        // The bug no longer exists on nightly
-        // https://github.com/rust-lang/rust-clippy/issues/7768
-        #[allow(clippy::semicolon_if_nothing_returned)]
         impl<'de, K, V, KU, VU $(, $typaram)*> DeserializeAs<'de, $ty<K, V $(, $typaram)*>> for $ty<KU, VU $(, $typaram)*>
         where
             KU: DeserializeAs<'de, K>,
diff --git a/serde_with/src/serde_conv.rs b/serde_with/src/serde_conv.rs
index f8ddefd8..39b3f63a 100644
--- a/serde_with/src/serde_conv.rs
+++ b/serde_with/src/serde_conv.rs
@@ -111,7 +111,6 @@ macro_rules! serde_conv {
         $vis struct $m;
 
         const _:() = {
-            #[allow(clippy::ptr_arg)]
             impl $m {
                 $vis fn serialize<S>(x: &$t, serializer: S) -> $crate::__private__::Result<S::Ok, S::Error>
                 where
diff --git a/serde_with/src/utils.rs b/serde_with/src/utils.rs
index 77baec4e..9bd42989 100644
--- a/serde_with/src/utils.rs
+++ b/serde_with/src/utils.rs
@@ -171,9 +171,6 @@ where
     // TODO could be simplified with nightly maybe_uninit_uninit_array feature
     // https://doc.rust-lang.org/nightly/std/mem/union.MaybeUninit.html#method.uninit_array
 
-    // Clippy is broken and has a false positive here
-    // https://github.com/rust-lang/rust-clippy/issues/10551
-    #[allow(clippy::uninit_assumed_init)]
     let mut arr: [MaybeUninit<T>; N] = unsafe { MaybeUninit::uninit().assume_init() };
 
     // Dropping a `MaybeUninit` does nothing. Thus using raw pointer
diff --git a/serde_with/tests/base64.rs b/serde_with/tests/base64.rs
index 881ee0d2..cb20fadc 100644
--- a/serde_with/tests/base64.rs
+++ b/serde_with/tests/base64.rs
@@ -1,9 +1,4 @@
 #![allow(
-    // clippy is broken and shows wrong warnings
-    // clippy on stable does not know yet about the lint name
-    unknown_lints,
-    // https://github.com/rust-lang/rust-clippy/issues/8867
-    clippy::derive_partial_eq_without_eq,
     // This allows the tests to be written more uniform and not have to special case the last clone().
     clippy::redundant_clone,
 )]
diff --git a/serde_with/tests/chrono_0_4.rs b/serde_with/tests/chrono_0_4.rs
index e3998378..405f8a28 100644
--- a/serde_with/tests/chrono_0_4.rs
+++ b/serde_with/tests/chrono_0_4.rs
@@ -1,11 +1,3 @@
-#![allow(
-    // clippy is broken and shows wrong warnings
-    // clippy on stable does not know yet about the lint name
-    unknown_lints,
-    // https://github.com/rust-lang/rust-clippy/issues/8867
-    clippy::derive_partial_eq_without_eq,
-)]
-
 extern crate alloc;
 
 mod utils;
diff --git a/serde_with/tests/derives/lib.rs b/serde_with/tests/derives/lib.rs
index a43a3c35..9a2b6a9e 100644
--- a/serde_with/tests/derives/lib.rs
+++ b/serde_with/tests/derives/lib.rs
@@ -1,11 +1,3 @@
-#![allow(
-    // clippy is broken and shows wrong warnings
-    // clippy on stable does not know yet about the lint name
-    unknown_lints,
-    // https://github.com/rust-lang/rust-clippy/issues/8867
-    clippy::derive_partial_eq_without_eq,
-)]
-
 mod deserialize_fromstr;
 mod serialize_display;
 #[path = "../utils.rs"]
diff --git a/serde_with/tests/hashbrown_0_14.rs b/serde_with/tests/hashbrown_0_14.rs
index 6f3e1d01..2f1267e8 100644
--- a/serde_with/tests/hashbrown_0_14.rs
+++ b/serde_with/tests/hashbrown_0_14.rs
@@ -1,11 +1,3 @@
-#![allow(
-  // clippy is broken and shows wrong warnings
-  // clippy on stable does not know yet about the lint name
-  unknown_lints,
-  // https://github.com/rust-lang/rust-clippy/issues/8867
-  clippy::derive_partial_eq_without_eq,
-)]
-
 mod utils;
 
 use crate::utils::{check_deserialization, check_error_deserialization, is_equal};
diff --git a/serde_with/tests/hex.rs b/serde_with/tests/hex.rs
index 2994ae47..0516ce68 100644
--- a/serde_with/tests/hex.rs
+++ b/serde_with/tests/hex.rs
@@ -1,11 +1,3 @@
-#![allow(
-    // clippy is broken and shows wrong warnings
-    // clippy on stable does not know yet about the lint name
-    unknown_lints,
-    // https://github.com/rust-lang/rust-clippy/issues/8867
-    clippy::derive_partial_eq_without_eq,
-)]
-
 mod utils;
 
 use crate::utils::{check_deserialization, check_error_deserialization, is_equal};
diff --git a/serde_with/tests/indexmap_1.rs b/serde_with/tests/indexmap_1.rs
index 58e4c976..afb7ce82 100644
--- a/serde_with/tests/indexmap_1.rs
+++ b/serde_with/tests/indexmap_1.rs
@@ -1,11 +1,3 @@
-#![allow(
-  // clippy is broken and shows wrong warnings
-  // clippy on stable does not know yet about the lint name
-  unknown_lints,
-  // https://github.com/rust-lang/rust-clippy/issues/8867
-  clippy::derive_partial_eq_without_eq,
-)]
-
 mod utils;
 
 use crate::utils::{check_deserialization, check_error_deserialization, is_equal};
diff --git a/serde_with/tests/indexmap_2.rs b/serde_with/tests/indexmap_2.rs
index 350a94c2..61edb10a 100644
--- a/serde_with/tests/indexmap_2.rs
+++ b/serde_with/tests/indexmap_2.rs
@@ -1,11 +1,3 @@
-#![allow(
-  // clippy is broken and shows wrong warnings
-  // clippy on stable does not know yet about the lint name
-  unknown_lints,
-  // https://github.com/rust-lang/rust-clippy/issues/8867
-  clippy::derive_partial_eq_without_eq,
-)]
-
 mod utils;
 
 use crate::utils::{check_deserialization, check_error_deserialization, is_equal};
diff --git a/serde_with/tests/json.rs b/serde_with/tests/json.rs
index 1babc44f..9422e9b2 100644
--- a/serde_with/tests/json.rs
+++ b/serde_with/tests/json.rs
@@ -1,11 +1,3 @@
-#![allow(
-    // clippy is broken and shows wrong warnings
-    // clippy on stable does not know yet about the lint name
-    unknown_lints,
-    // https://github.com/rust-lang/rust-clippy/issues/8867
-    clippy::derive_partial_eq_without_eq,
-)]
-
 mod utils;
 
 use crate::utils::is_equal;
diff --git a/serde_with/tests/rust.rs b/serde_with/tests/rust.rs
index 8dfa91cb..cfda7f0d 100644
--- a/serde_with/tests/rust.rs
+++ b/serde_with/tests/rust.rs
@@ -1,11 +1,3 @@
-#![allow(
-    // clippy is broken and shows wrong warnings
-    // clippy on stable does not know yet about the lint name
-    unknown_lints,
-    // https://github.com/rust-lang/rust-clippy/issues/8867
-    clippy::derive_partial_eq_without_eq,
-)]
-
 extern crate alloc;
 
 mod utils;
diff --git a/serde_with/tests/serde_as/lib.rs b/serde_with/tests/serde_as/lib.rs
index cfe13c82..6ac1c385 100644
--- a/serde_with/tests/serde_as/lib.rs
+++ b/serde_with/tests/serde_as/lib.rs
@@ -1,11 +1,3 @@
-#![allow(
-    // clippy is broken and shows wrong warnings
-    // clippy on stable does not know yet about the lint name
-    unknown_lints,
-    // https://github.com/rust-lang/rust-clippy/issues/8867
-    clippy::derive_partial_eq_without_eq,
-)]
-
 extern crate alloc;
 
 mod collections;
diff --git a/serde_with/tests/time_0_3.rs b/serde_with/tests/time_0_3.rs
index 214ec39f..9067849d 100644
--- a/serde_with/tests/time_0_3.rs
+++ b/serde_with/tests/time_0_3.rs
@@ -1,11 +1,3 @@
-#![allow(
-    // clippy is broken and shows wrong warnings
-    // clippy on stable does not know yet about the lint name
-    unknown_lints,
-    // https://github.com/rust-lang/rust-clippy/issues/8867
-    clippy::derive_partial_eq_without_eq,
-)]
-
 mod utils;
 
 use crate::utils::{check_deserialization, check_error_deserialization, is_equal};
diff --git a/serde_with/tests/version_numbers.rs b/serde_with/tests/version_numbers.rs
index ced72051..44cd3109 100644
--- a/serde_with/tests/version_numbers.rs
+++ b/serde_with/tests/version_numbers.rs
@@ -1,7 +1,3 @@
-// Needed to suppress a 2021 incompatibility warning in the macro generated code
-// The non_fmt_panic lint is not yet available on most Rust versions
-#![allow(unknown_lints, non_fmt_panics)]
-
 use version_sync::{assert_contains_regex, assert_html_root_url_updated};
 
 #[test]
diff --git a/serde_with/tests/with_prefix.rs b/serde_with/tests/with_prefix.rs
index 843be34a..2bf9e1d7 100644
--- a/serde_with/tests/with_prefix.rs
+++ b/serde_with/tests/with_prefix.rs
@@ -1,11 +1,3 @@
-#![allow(
-    // clippy is broken and shows wrong warnings
-    // clippy on stable does not know yet about the lint name
-    unknown_lints,
-    // https://github.com/rust-lang/rust-clippy/issues/8867
-    clippy::derive_partial_eq_without_eq,
-)]
-
 extern crate alloc;
 
 mod utils;
diff --git a/serde_with_macros/tests/version_numbers.rs b/serde_with_macros/tests/version_numbers.rs
index ebb4a59f..b68030d2 100644
--- a/serde_with_macros/tests/version_numbers.rs
+++ b/serde_with_macros/tests/version_numbers.rs
@@ -1,7 +1,3 @@
-// Needed to supress a 2021 incompatability warning in the macro generated code
-// The non_fmt_panic lint is not yet available on most Rust versions
-#![allow(unknown_lints, non_fmt_panics)]
-
 #[test]
 fn test_html_root_url() {
     version_sync::assert_html_root_url_updated!("src/lib.rs");
diff --git a/serde_with_test/tests/derive_display_fromstr.rs b/serde_with_test/tests/derive_display_fromstr.rs
index 058fbf15..de2ec08a 100644
--- a/serde_with_test/tests/derive_display_fromstr.rs
+++ b/serde_with_test/tests/derive_display_fromstr.rs
@@ -2,7 +2,7 @@
 
 // Ensure no prelude is available
 #![no_implicit_prelude]
-#![allow(dead_code, unused_imports)]
+#![allow(dead_code)]
 
 use ::s_with::{DeserializeFromStr, SerializeDisplay};
 
diff --git a/serde_with_test/tests/flattened_maybe.rs b/serde_with_test/tests/flattened_maybe.rs
index 3b189754..3f5816c7 100644
--- a/serde_with_test/tests/flattened_maybe.rs
+++ b/serde_with_test/tests/flattened_maybe.rs
@@ -2,7 +2,7 @@
 
 // Ensure no prelude is available
 #![no_implicit_prelude]
-#![allow(dead_code, unused_imports)]
+#![allow(dead_code)]
 
 // The macro creates custom deserialization code.
 // You need to specify a function name and the field name of the flattened field.
diff --git a/serde_with_test/tests/serde_as_cfg.rs b/serde_with_test/tests/serde_as_cfg.rs
index f4d88aff..e133ce77 100644
--- a/serde_with_test/tests/serde_as_cfg.rs
+++ b/serde_with_test/tests/serde_as_cfg.rs
@@ -2,7 +2,7 @@
 
 // Ensure no prelude is available
 #![no_implicit_prelude]
-#![allow(dead_code, unused_imports)]
+#![allow(dead_code)]
 
 #[cfg_attr(test, ::cfg_eval::cfg_eval, ::s_with::serde_as(crate = "::s_with"))]
 #[cfg_attr(test, derive(::s::Serialize, ::s::Deserialize))]
diff --git a/serde_with_test/tests/serde_conv.rs b/serde_with_test/tests/serde_conv.rs
index 0a9ce86b..f5a956f9 100644
--- a/serde_with_test/tests/serde_conv.rs
+++ b/serde_with_test/tests/serde_conv.rs
@@ -2,7 +2,7 @@
 
 // Ensure no prelude is available
 #![no_implicit_prelude]
-#![allow(dead_code, unused_imports)]
+#![allow(dead_code)]
 
 use ::s_with::serde_conv;
 
diff --git a/serde_with_test/tests/with_prefix.rs b/serde_with_test/tests/with_prefix.rs
index e3ca7c08..9ee2176a 100644
--- a/serde_with_test/tests/with_prefix.rs
+++ b/serde_with_test/tests/with_prefix.rs
@@ -2,7 +2,7 @@
 
 // Ensure no prelude is available
 #![no_implicit_prelude]
-#![allow(dead_code, unused_imports)]
+#![allow(dead_code)]
 
 use ::s_with::with_prefix;