diff --git a/Modules/_zstd/_zstdmodule.c b/Modules/_zstd/_zstdmodule.c
index 4004bbb3461393..1200d200ae0995 100644
--- a/Modules/_zstd/_zstdmodule.c
+++ b/Modules/_zstd/_zstdmodule.c
@@ -587,11 +587,6 @@ do { \
_zstd_state* const mod_state = get_zstd_state(m);
/* Reusable objects & variables */
- mod_state->empty_bytes = PyBytes_FromStringAndSize(NULL, 0);
- if (mod_state->empty_bytes == NULL) {
- return -1;
- }
-
mod_state->CParameter_type = NULL;
mod_state->DParameter_type = NULL;
@@ -694,8 +689,6 @@ _zstd_traverse(PyObject *module, visitproc visit, void *arg)
{
_zstd_state* const mod_state = get_zstd_state(module);
- Py_VISIT(mod_state->empty_bytes);
-
Py_VISIT(mod_state->ZstdDict_type);
Py_VISIT(mod_state->ZstdCompressor_type);
@@ -713,8 +706,6 @@ _zstd_clear(PyObject *module)
{
_zstd_state* const mod_state = get_zstd_state(module);
- Py_CLEAR(mod_state->empty_bytes);
-
Py_CLEAR(mod_state->ZstdDict_type);
Py_CLEAR(mod_state->ZstdCompressor_type);
diff --git a/Modules/_zstd/_zstdmodule.h b/Modules/_zstd/_zstdmodule.h
index 58622a5cb48b5e..80f4e7e58d5265 100644
--- a/Modules/_zstd/_zstdmodule.h
+++ b/Modules/_zstd/_zstdmodule.h
@@ -35,8 +35,6 @@ extern PyType_Spec zstd_compressor_type_spec;
extern PyType_Spec zstd_decompressor_type_spec;
struct _zstd_state {
- PyObject *empty_bytes;
-
PyTypeObject *ZstdDict_type;
PyTypeObject *ZstdCompressor_type;
PyTypeObject *ZstdDecompressor_type;
diff --git a/Modules/_zstd/decompressor.c b/Modules/_zstd/decompressor.c
index d141e68efded26..b3d91e102859da 100644
--- a/Modules/_zstd/decompressor.c
+++ b/Modules/_zstd/decompressor.c
@@ -290,13 +290,7 @@ decompress_impl(ZstdDecompressor *self, ZSTD_inBuffer *in,
/* The first AFE check for setting .at_frame_edge flag */
if (type == TYPE_ENDLESS_DECOMPRESSOR) {
if (self->at_frame_edge && in->pos == in->size) {
- _zstd_state* const mod_state = PyType_GetModuleState(Py_TYPE(self));
- if (mod_state == NULL) {
- return NULL;
- }
- ret = mod_state->empty_bytes;
- Py_INCREF(ret);
- return ret;
+ return Py_GetConstant(Py_CONSTANT_EMPTY_BYTES);
}
}
@@ -747,16 +741,8 @@ _zstd_ZstdDecompressor_unused_data_get_impl(ZstdDecompressor *self)
{
PyObject *ret;
- /* Thread-safe code */
- Py_BEGIN_CRITICAL_SECTION(self);
-
if (!self->eof) {
- _zstd_state* const mod_state = PyType_GetModuleState(Py_TYPE(self));
- if (mod_state == NULL) {
- return NULL;
- }
- ret = mod_state->empty_bytes;
- Py_INCREF(ret);
+ return Py_GetConstant(Py_CONSTANT_EMPTY_BYTES);
}
else {
if (self->unused_data == NULL) {
@@ -772,8 +758,6 @@ _zstd_ZstdDecompressor_unused_data_get_impl(ZstdDecompressor *self)
}
}
- Py_END_CRITICAL_SECTION();
-
return ret;
}
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