bpo-40268: Remove unused pycore_pymem.h includes (GH-19531)
diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index 30bc739..06ead2b 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -3,10 +3,10 @@
#define PY_SSIZE_T_CLEAN
#include "Python.h"
-#include "pycore_abstract.h" // _PyIndex_Check()
+#include "pycore_abstract.h" // _PyIndex_Check()
#include "pycore_bytes_methods.h"
#include "pycore_object.h"
-#include "pycore_pymem.h"
+#include "pycore_pymem.h" // PYMEM_CLEANBYTE
#include "pystrhex.h"
#include <stddef.h>