diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0e955df76..45d85e7a6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -106,7 +106,6 @@ set(PYBIND11_HEADERS
     include/pybind11/detail/dynamic_raw_ptr_cast_if_possible.h
     include/pybind11/detail/init.h
     include/pybind11/detail/internals.h
-    include/pybind11/detail/pragma_warning_block.h
     include/pybind11/detail/smart_holder_poc.h
     include/pybind11/detail/smart_holder_sfinae_hooks_only.h
     include/pybind11/detail/smart_holder_type_casters.h
diff --git a/include/pybind11/detail/dynamic_raw_ptr_cast_if_possible.h b/include/pybind11/detail/dynamic_raw_ptr_cast_if_possible.h
index 29fded53b..7c00fe98c 100644
--- a/include/pybind11/detail/dynamic_raw_ptr_cast_if_possible.h
+++ b/include/pybind11/detail/dynamic_raw_ptr_cast_if_possible.h
@@ -4,8 +4,6 @@
 
 #pragma once
 
-#include "pragma_warning_block.h"
-
 #include "common.h"
 
 #include <type_traits>
diff --git a/include/pybind11/detail/pragma_warning_block.h b/include/pybind11/detail/pragma_warning_block.h
deleted file mode 100644
index bedc65da9..000000000
--- a/include/pybind11/detail/pragma_warning_block.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#pragma once
-
-#if defined(__GNUG__) && !defined(__clang__) && !defined(__INTEL_COMPILER)
-#  pragma GCC diagnostic push
-#  pragma GCC diagnostic ignored "-Wunused-but-set-parameter"
-#  pragma GCC diagnostic ignored "-Wattributes"
-#endif
diff --git a/include/pybind11/detail/smart_holder_sfinae_hooks_only.h b/include/pybind11/detail/smart_holder_sfinae_hooks_only.h
index d0a52b9a2..f32485475 100644
--- a/include/pybind11/detail/smart_holder_sfinae_hooks_only.h
+++ b/include/pybind11/detail/smart_holder_sfinae_hooks_only.h
@@ -4,8 +4,6 @@
 
 #pragma once
 
-#include "pragma_warning_block.h"
-
 #include "common.h"
 
 #include <type_traits>
diff --git a/include/pybind11/detail/smart_holder_type_casters.h b/include/pybind11/detail/smart_holder_type_casters.h
index a72de90e0..7ac9a5d35 100644
--- a/include/pybind11/detail/smart_holder_type_casters.h
+++ b/include/pybind11/detail/smart_holder_type_casters.h
@@ -4,8 +4,6 @@
 
 #pragma once
 
-#include "pragma_warning_block.h"
-
 #include "../gil.h"
 #include "../pytypes.h"
 #include "../trampoline_self_life_support.h"
diff --git a/include/pybind11/smart_holder.h b/include/pybind11/smart_holder.h
index 7d0e389d3..f852f77e2 100644
--- a/include/pybind11/smart_holder.h
+++ b/include/pybind11/smart_holder.h
@@ -4,8 +4,6 @@
 
 #pragma once
 
-#include "detail/pragma_warning_block.h"
-
 #include "detail/common.h"
 #include "detail/smart_holder_type_casters.h"
 #include "pybind11.h"
diff --git a/include/pybind11/trampoline_self_life_support.h b/include/pybind11/trampoline_self_life_support.h
index c37e2226f..b7e1f12c4 100644
--- a/include/pybind11/trampoline_self_life_support.h
+++ b/include/pybind11/trampoline_self_life_support.h
@@ -4,8 +4,6 @@
 
 #pragma once
 
-#include "detail/pragma_warning_block.h"
-
 #include "detail/common.h"
 #include "detail/smart_holder_poc.h"
 #include "detail/type_caster_base.h"
diff --git a/tests/extra_python_package/test_files.py b/tests/extra_python_package/test_files.py
index 456c188a5..a176126d8 100644
--- a/tests/extra_python_package/test_files.py
+++ b/tests/extra_python_package/test_files.py
@@ -45,7 +45,6 @@ detail_headers = {
     "include/pybind11/detail/dynamic_raw_ptr_cast_if_possible.h",
     "include/pybind11/detail/init.h",
     "include/pybind11/detail/internals.h",
-    "include/pybind11/detail/pragma_warning_block.h",
     "include/pybind11/detail/smart_holder_poc.h",
     "include/pybind11/detail/smart_holder_sfinae_hooks_only.h",
     "include/pybind11/detail/smart_holder_type_casters.h",