diff --git a/Include/Python.h b/Include/Python.h
index dcd0a57ac1f03f..67f314be5a6c93 100644
--- a/Include/Python.h
+++ b/Include/Python.h
@@ -90,8 +90,6 @@
 #include "typeslots.h"
 #include "pyhash.h"
 
-#include "pydebug.h"
-
 #include "bytearrayobject.h"
 #include "bytesobject.h"
 #include "unicodeobject.h"
diff --git a/Include/cpython/initconfig.h b/Include/cpython/initconfig.h
index df93a5539d48bd..b63abb4881f981 100644
--- a/Include/cpython/initconfig.h
+++ b/Include/cpython/initconfig.h
@@ -438,6 +438,34 @@ PyAPI_FUNC(PyStatus) PyConfig_SetWideStringList(PyConfig *config,
     PyWideStringList *list,
     Py_ssize_t length, wchar_t **items);
 
+/* --- Global configuration variables ----------------------------- */
+
+PyAPI_DATA(int) Py_DebugFlag;
+PyAPI_DATA(int) Py_VerboseFlag;
+PyAPI_DATA(int) Py_QuietFlag;
+PyAPI_DATA(int) Py_InteractiveFlag;
+PyAPI_DATA(int) Py_InspectFlag;
+PyAPI_DATA(int) Py_OptimizeFlag;
+PyAPI_DATA(int) Py_NoSiteFlag;
+PyAPI_DATA(int) Py_BytesWarningFlag;
+PyAPI_DATA(int) Py_FrozenFlag;
+PyAPI_DATA(int) Py_IgnoreEnvironmentFlag;
+PyAPI_DATA(int) Py_DontWriteBytecodeFlag;
+PyAPI_DATA(int) Py_NoUserSiteDirectory;
+PyAPI_DATA(int) Py_UnbufferedStdioFlag;
+PyAPI_DATA(int) Py_HashRandomizationFlag;
+PyAPI_DATA(int) Py_IsolatedFlag;
+
+#ifdef MS_WINDOWS
+PyAPI_DATA(int) Py_LegacyWindowsFSEncodingFlag;
+PyAPI_DATA(int) Py_LegacyWindowsStdioFlag;
+#endif
+
+/* this is a wrapper around getenv() that pays attention to
+   Py_IgnoreEnvironmentFlag.  It should be used for getting variables like
+   PYTHONPATH and PYTHONHOME from the environment */
+#define Py_GETENV(s) (Py_IgnoreEnvironmentFlag ? NULL : getenv(s))
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/Include/pydebug.h b/Include/pydebug.h
deleted file mode 100644
index bd4aafe3b49f83..00000000000000
--- a/Include/pydebug.h
+++ /dev/null
@@ -1,40 +0,0 @@
-#ifndef Py_LIMITED_API
-#ifndef Py_PYDEBUG_H
-#define Py_PYDEBUG_H
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* These global variable are defined in pylifecycle.c */
-/* XXX (ncoghlan): move these declarations to pylifecycle.h? */
-PyAPI_DATA(int) Py_DebugFlag;
-PyAPI_DATA(int) Py_VerboseFlag;
-PyAPI_DATA(int) Py_QuietFlag;
-PyAPI_DATA(int) Py_InteractiveFlag;
-PyAPI_DATA(int) Py_InspectFlag;
-PyAPI_DATA(int) Py_OptimizeFlag;
-PyAPI_DATA(int) Py_NoSiteFlag;
-PyAPI_DATA(int) Py_BytesWarningFlag;
-PyAPI_DATA(int) Py_FrozenFlag;
-PyAPI_DATA(int) Py_IgnoreEnvironmentFlag;
-PyAPI_DATA(int) Py_DontWriteBytecodeFlag;
-PyAPI_DATA(int) Py_NoUserSiteDirectory;
-PyAPI_DATA(int) Py_UnbufferedStdioFlag;
-PyAPI_DATA(int) Py_HashRandomizationFlag;
-PyAPI_DATA(int) Py_IsolatedFlag;
-
-#ifdef MS_WINDOWS
-PyAPI_DATA(int) Py_LegacyWindowsFSEncodingFlag;
-PyAPI_DATA(int) Py_LegacyWindowsStdioFlag;
-#endif
-
-/* this is a wrapper around getenv() that pays attention to
-   Py_IgnoreEnvironmentFlag.  It should be used for getting variables like
-   PYTHONPATH and PYTHONHOME from the environment */
-#define Py_GETENV(s) (Py_IgnoreEnvironmentFlag ? NULL : getenv(s))
-
-#ifdef __cplusplus
-}
-#endif
-#endif /* !Py_PYDEBUG_H */
-#endif /* Py_LIMITED_API */
diff --git a/Makefile.pre.in b/Makefile.pre.in
index 3cb8b84157f0ed..7065e140fd5d59 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -1053,7 +1053,6 @@ PYTHON_HEADERS= \
 		$(srcdir)/Include/pyarena.h \
 		$(srcdir)/Include/pycapsule.h \
 		$(srcdir)/Include/pyctype.h \
-		$(srcdir)/Include/pydebug.h \
 		$(srcdir)/Include/pydtrace.h \
 		$(srcdir)/Include/pyerrors.h \
 		$(srcdir)/Include/pyfpe.h \
diff --git a/PCbuild/pythoncore.vcxproj b/PCbuild/pythoncore.vcxproj
index 21b51bf5e6ddcf..847ab5a51a1486 100644
--- a/PCbuild/pythoncore.vcxproj
+++ b/PCbuild/pythoncore.vcxproj
@@ -221,7 +221,6 @@
     <ClInclude Include="..\Include\pyarena.h" />
     <ClInclude Include="..\Include\pycapsule.h" />
     <ClInclude Include="..\Include\pyctype.h" />
-    <ClInclude Include="..\Include\pydebug.h" />
     <ClInclude Include="..\Include\pyerrors.h" />
     <ClInclude Include="..\Include\pyexpat.h" />
     <ClInclude Include="..\Include\pyfpe.h" />
diff --git a/PCbuild/pythoncore.vcxproj.filters b/PCbuild/pythoncore.vcxproj.filters
index f5c76fa34eb946..ff9493be5ea4ef 100644
--- a/PCbuild/pythoncore.vcxproj.filters
+++ b/PCbuild/pythoncore.vcxproj.filters
@@ -351,9 +351,6 @@
     <ClInclude Include="..\Include\pyctype.h">
       <Filter>Include</Filter>
     </ClInclude>
-    <ClInclude Include="..\Include\pydebug.h">
-      <Filter>Include</Filter>
-    </ClInclude>
     <ClInclude Include="..\Include\pyerrors.h">
       <Filter>Include</Filter>
     </ClInclude>