diff --git a/pyo3-macros-backend/src/lib.rs b/pyo3-macros-backend/src/lib.rs
index 1ba9c8ab..61cdbb63 100644
--- a/pyo3-macros-backend/src/lib.rs
+++ b/pyo3-macros-backend/src/lib.rs
@@ -1,4 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
 //! This crate contains the implementation of the proc macro attributes
 
 #![warn(elided_lifetimes_in_paths, unused_lifetimes)]
diff --git a/pyo3-macros-backend/src/method.rs b/pyo3-macros-backend/src/method.rs
index 09b8b26d..a867a301 100644
--- a/pyo3-macros-backend/src/method.rs
+++ b/pyo3-macros-backend/src/method.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 use crate::attributes::{TextSignatureAttribute, TextSignatureAttributeValue};
 use crate::deprecations::{Deprecation, Deprecations};
 use crate::params::impl_arg_params;
diff --git a/pyo3-macros-backend/src/module.rs b/pyo3-macros-backend/src/module.rs
index cb2fda00..e6db7007 100644
--- a/pyo3-macros-backend/src/module.rs
+++ b/pyo3-macros-backend/src/module.rs
@@ -1,4 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
 //! Code generation for the function that initializes a python module and adds classes and function.
 
 use crate::{
diff --git a/pyo3-macros-backend/src/params.rs b/pyo3-macros-backend/src/params.rs
index 32a9be5d..b1e85381 100644
--- a/pyo3-macros-backend/src/params.rs
+++ b/pyo3-macros-backend/src/params.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 use crate::{
     method::{FnArg, FnSpec},
     pyfunction::FunctionSignature,
diff --git a/pyo3-macros-backend/src/pyclass.rs b/pyo3-macros-backend/src/pyclass.rs
index 7e7ac6b6..f723da09 100644
--- a/pyo3-macros-backend/src/pyclass.rs
+++ b/pyo3-macros-backend/src/pyclass.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 use std::borrow::Cow;
 
 use crate::attributes::{
diff --git a/pyo3-macros-backend/src/pyfunction.rs b/pyo3-macros-backend/src/pyfunction.rs
index 8f56b3e9..53188c7c 100644
--- a/pyo3-macros-backend/src/pyfunction.rs
+++ b/pyo3-macros-backend/src/pyfunction.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 use crate::{
     attributes::{
         self, get_pyo3_options, take_attributes, take_pyo3_options, CrateAttribute,
diff --git a/pyo3-macros-backend/src/pyimpl.rs b/pyo3-macros-backend/src/pyimpl.rs
index d0a1b615..0ab0695e 100644
--- a/pyo3-macros-backend/src/pyimpl.rs
+++ b/pyo3-macros-backend/src/pyimpl.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 use std::collections::HashSet;
 
 use crate::{
diff --git a/pyo3-macros-backend/src/pymethod.rs b/pyo3-macros-backend/src/pymethod.rs
index 9689d863..76ebc947 100644
--- a/pyo3-macros-backend/src/pymethod.rs
+++ b/pyo3-macros-backend/src/pymethod.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 use std::borrow::Cow;
 
 use crate::attributes::NameAttribute;
diff --git a/pyo3-macros-backend/src/utils.rs b/pyo3-macros-backend/src/utils.rs
index c9e02d85..5cffe120 100644
--- a/pyo3-macros-backend/src/utils.rs
+++ b/pyo3-macros-backend/src/utils.rs
@@ -1,4 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
 use proc_macro2::{Span, TokenStream};
 use quote::ToTokens;
 use syn::{punctuated::Punctuated, spanned::Spanned, Token};
diff --git a/pyo3-macros/src/lib.rs b/pyo3-macros/src/lib.rs
index 38793431..37c7e6e9 100644
--- a/pyo3-macros/src/lib.rs
+++ b/pyo3-macros/src/lib.rs
@@ -1,4 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
 //! This crate declares only the proc macro attributes, as a crate defining proc macro attributes
 //! must not contain any other public items.
 
diff --git a/src/callback.rs b/src/callback.rs
index 6d592537..611b1787 100644
--- a/src/callback.rs
+++ b/src/callback.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 //! Utilities for a Python callable object that invokes a Rust function.
 
 use crate::err::{PyErr, PyResult};
diff --git a/src/conversion.rs b/src/conversion.rs
index c5bda16f..85e9f04e 100644
--- a/src/conversion.rs
+++ b/src/conversion.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 //! Defines conversions between Rust and Python types.
 use crate::err::{self, PyDowncastError, PyResult};
 #[cfg(feature = "experimental-inspect")]
diff --git a/src/conversions/num_bigint.rs b/src/conversions/num_bigint.rs
index 08cc0fb1..52ff2149 100644
--- a/src/conversions/num_bigint.rs
+++ b/src/conversions/num_bigint.rs
@@ -1,7 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-//
-// based on Daniel Grunwald's https://github.com/dgrunwald/rust-cpython
-
 #![cfg(feature = "num-bigint")]
 //!  Conversions to and from [num-bigint](https://docs.rs/num-bigint)’s [`BigInt`] and [`BigUint`] types.
 //!
diff --git a/src/derive_utils.rs b/src/derive_utils.rs
index 25ea7f89..4ccb38f9 100644
--- a/src/derive_utils.rs
+++ b/src/derive_utils.rs
@@ -1,7 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-//
-// based on Daniel Grunwald's https://github.com/dgrunwald/rust-cpython
-
 //! Functionality for the code generated by the derive backend
 
 use crate::{types::PyModule, Python};
diff --git a/src/err/mod.rs b/src/err/mod.rs
index 88b03986..9c71b439 100644
--- a/src/err/mod.rs
+++ b/src/err/mod.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 use crate::panic::PanicException;
 use crate::type_object::PyTypeInfo;
 use crate::types::{PyTraceback, PyType};
diff --git a/src/exceptions.rs b/src/exceptions.rs
index d92e8b35..9cbc8587 100644
--- a/src/exceptions.rs
+++ b/src/exceptions.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 //! Exception and warning types defined by Python.
 //!
 //! The structs in this module represent Python's built-in exceptions and
diff --git a/src/gil.rs b/src/gil.rs
index fa96a910..342c8d92 100644
--- a/src/gil.rs
+++ b/src/gil.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 //! Interaction with Python's global interpreter lock
 
 use crate::impl_::not_send::{NotSend, NOT_SEND};
diff --git a/src/impl_/freelist.rs b/src/impl_/freelist.rs
index d5e3d1f8..955a50a3 100644
--- a/src/impl_/freelist.rs
+++ b/src/impl_/freelist.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 //! Support for [free allocation lists][1].
 //!
 //! This can improve performance for types that are often created and deleted in quick succession.
diff --git a/src/instance.rs b/src/instance.rs
index d3927768..0cbf8dbf 100644
--- a/src/instance.rs
+++ b/src/instance.rs
@@ -1,4 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
 use crate::conversion::PyTryFrom;
 use crate::err::{self, PyDowncastError, PyErr, PyResult};
 use crate::gil;
diff --git a/src/marker.rs b/src/marker.rs
index c6d6fc40..2e6cbe59 100644
--- a/src/marker.rs
+++ b/src/marker.rs
@@ -1,7 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-//
-// based on Daniel Grunwald's https://github.com/dgrunwald/rust-cpython
-
 //! Fundamental properties of objects tied to the Python interpreter.
 //!
 //! The Python interpreter is not threadsafe. To protect the Python interpreter in multithreaded
diff --git a/src/prelude.rs b/src/prelude.rs
index a110ea5c..ca0b0cf3 100644
--- a/src/prelude.rs
+++ b/src/prelude.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 //! PyO3's prelude.
 //!
 //! The purpose of this module is to alleviate imports of many commonly used items of the PyO3 crate
diff --git a/src/type_object.rs b/src/type_object.rs
index f36abd94..3098b072 100644
--- a/src/type_object.rs
+++ b/src/type_object.rs
@@ -1,4 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
 //! Python type object information
 
 use crate::types::{PyAny, PyType};
diff --git a/src/types/boolobject.rs b/src/types/boolobject.rs
index 80c453a6..919810d2 100644
--- a/src/types/boolobject.rs
+++ b/src/types/boolobject.rs
@@ -1,4 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
 #[cfg(feature = "experimental-inspect")]
 use crate::inspect::types::TypeInfo;
 use crate::{
diff --git a/src/types/bytearray.rs b/src/types/bytearray.rs
index 927c4500..c11af6d7 100644
--- a/src/types/bytearray.rs
+++ b/src/types/bytearray.rs
@@ -1,4 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
 use crate::err::{PyErr, PyResult};
 use crate::{ffi, AsPyPointer, Py, PyAny, Python};
 use std::os::raw::c_char;
diff --git a/src/types/capsule.rs b/src/types/capsule.rs
index 7da59e73..152ac0ff 100644
--- a/src/types/capsule.rs
+++ b/src/types/capsule.rs
@@ -1,4 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
 use crate::Python;
 use crate::{ffi, AsPyPointer, PyAny};
 use crate::{pyobject_native_type_core, PyErr, PyResult};
diff --git a/src/types/code.rs b/src/types/code.rs
index fc7e3e9f..c0d0ce83 100644
--- a/src/types/code.rs
+++ b/src/types/code.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2022-present PyO3 Project and Contributors
-
 use crate::ffi;
 use crate::PyAny;
 
diff --git a/src/types/dict.rs b/src/types/dict.rs
index 0cf7e6ca..0aedb13a 100644
--- a/src/types/dict.rs
+++ b/src/types/dict.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 use super::PyMapping;
 use crate::err::{self, PyErr, PyResult};
 use crate::ffi::Py_ssize_t;
diff --git a/src/types/floatob.rs b/src/types/floatob.rs
index ccf73dd8..82db228d 100644
--- a/src/types/floatob.rs
+++ b/src/types/floatob.rs
@@ -1,6 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-//
-// based on Daniel Grunwald's https://github.com/dgrunwald/rust-cpython
 #[cfg(feature = "experimental-inspect")]
 use crate::inspect::types::TypeInfo;
 use crate::{
diff --git a/src/types/frame.rs b/src/types/frame.rs
index c16e1439..160f3b3b 100644
--- a/src/types/frame.rs
+++ b/src/types/frame.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2022-present PyO3 Project and Contributors
-
 use crate::ffi;
 use crate::PyAny;
 
diff --git a/src/types/frozenset.rs b/src/types/frozenset.rs
index 5b728784..fd2e51aa 100644
--- a/src/types/frozenset.rs
+++ b/src/types/frozenset.rs
@@ -1,6 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-//
-
 #[cfg(Py_LIMITED_API)]
 use crate::types::PyIterator;
 use crate::{
diff --git a/src/types/iterator.rs b/src/types/iterator.rs
index cfbbd31b..3b45c113 100644
--- a/src/types/iterator.rs
+++ b/src/types/iterator.rs
@@ -1,7 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-//
-// based on Daniel Grunwald's https://github.com/dgrunwald/rust-cpython
-
 use crate::{ffi, AsPyPointer, IntoPyPointer, Py, PyAny, PyErr, PyNativeType, PyResult, Python};
 use crate::{PyDowncastError, PyTryFrom};
 
diff --git a/src/types/list.rs b/src/types/list.rs
index 3e801276..5e951c29 100644
--- a/src/types/list.rs
+++ b/src/types/list.rs
@@ -1,7 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-//
-// based on Daniel Grunwald's https://github.com/dgrunwald/rust-cpython
-
 use std::convert::TryInto;
 
 use crate::err::{self, PyResult};
diff --git a/src/types/mapping.rs b/src/types/mapping.rs
index 602302a9..fa73176d 100644
--- a/src/types/mapping.rs
+++ b/src/types/mapping.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 use crate::err::{PyDowncastError, PyErr, PyResult};
 use crate::sync::GILOnceCell;
 use crate::type_object::PyTypeInfo;
diff --git a/src/types/mod.rs b/src/types/mod.rs
index 385d0af6..802a20c6 100644
--- a/src/types/mod.rs
+++ b/src/types/mod.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 //! Various types defined by the Python interpreter such as `int`, `str` and `tuple`.
 
 pub use self::any::PyAny;
diff --git a/src/types/module.rs b/src/types/module.rs
index 970a22ff..f728d782 100644
--- a/src/types/module.rs
+++ b/src/types/module.rs
@@ -1,7 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-//
-// based on Daniel Grunwald's https://github.com/dgrunwald/rust-cpython
-
 use crate::callback::IntoPyCallbackOutput;
 use crate::err::{PyErr, PyResult};
 use crate::exceptions;
diff --git a/src/types/num.rs b/src/types/num.rs
index 21f6d72d..52251715 100644
--- a/src/types/num.rs
+++ b/src/types/num.rs
@@ -1,7 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-//
-// based on Daniel Grunwald's https://github.com/dgrunwald/rust-cpython
-
 use crate::{ffi, PyAny};
 
 /// Represents a Python `int` object.
diff --git a/src/types/sequence.rs b/src/types/sequence.rs
index ccc2d895..73e110cd 100644
--- a/src/types/sequence.rs
+++ b/src/types/sequence.rs
@@ -1,4 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
 use crate::err::{self, PyDowncastError, PyErr, PyResult};
 use crate::exceptions::PyTypeError;
 #[cfg(feature = "experimental-inspect")]
diff --git a/src/types/set.rs b/src/types/set.rs
index 36774b9a..cf043d99 100644
--- a/src/types/set.rs
+++ b/src/types/set.rs
@@ -1,6 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-//
-
 #[cfg(Py_LIMITED_API)]
 use crate::types::PyIterator;
 use crate::{
diff --git a/src/types/slice.rs b/src/types/slice.rs
index 61574f64..e82b535a 100644
--- a/src/types/slice.rs
+++ b/src/types/slice.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 use crate::err::{PyErr, PyResult};
 use crate::ffi::{self, Py_ssize_t};
 use crate::{AsPyPointer, PyAny, PyObject, Python, ToPyObject};
diff --git a/src/types/string.rs b/src/types/string.rs
index 3998a6ad..05b7109f 100644
--- a/src/types/string.rs
+++ b/src/types/string.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 #[cfg(not(Py_LIMITED_API))]
 use crate::exceptions::PyUnicodeDecodeError;
 use crate::types::PyBytes;
diff --git a/src/types/traceback.rs b/src/types/traceback.rs
index 7e4393eb..82916558 100644
--- a/src/types/traceback.rs
+++ b/src/types/traceback.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 use crate::err::{error_on_minusone, PyResult};
 use crate::ffi;
 use crate::types::PyString;
diff --git a/src/types/tuple.rs b/src/types/tuple.rs
index 3a124d36..429f2d0f 100644
--- a/src/types/tuple.rs
+++ b/src/types/tuple.rs
@@ -1,5 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-
 use std::convert::TryInto;
 
 use crate::ffi::{self, Py_ssize_t};
diff --git a/src/types/typeobject.rs b/src/types/typeobject.rs
index 00ba62c3..ca4a5cdb 100644
--- a/src/types/typeobject.rs
+++ b/src/types/typeobject.rs
@@ -1,7 +1,3 @@
-// Copyright (c) 2017-present PyO3 Project and Contributors
-//
-// based on Daniel Grunwald's https://github.com/dgrunwald/rust-cpython
-
 use crate::err::{self, PyResult};
 use crate::{ffi, AsPyPointer, PyAny, PyTypeInfo, Python};