diff --git a/Include/pydebug.h b/Include/pydebug.h
index d3b95966aa6..bd4aafe3b49 100644
--- a/Include/pydebug.h
+++ b/Include/pydebug.h
@@ -15,7 +15,6 @@ PyAPI_DATA(int) Py_InspectFlag;
 PyAPI_DATA(int) Py_OptimizeFlag;
 PyAPI_DATA(int) Py_NoSiteFlag;
 PyAPI_DATA(int) Py_BytesWarningFlag;
-PyAPI_DATA(int) Py_UseClassExceptionsFlag;
 PyAPI_DATA(int) Py_FrozenFlag;
 PyAPI_DATA(int) Py_IgnoreEnvironmentFlag;
 PyAPI_DATA(int) Py_DontWriteBytecodeFlag;
diff --git a/Misc/NEWS.d/next/C API/2017-11-24-21-25-43.bpo-32125.K8zWgn.rst b/Misc/NEWS.d/next/C API/2017-11-24-21-25-43.bpo-32125.K8zWgn.rst
new file mode 100644
index 00000000000..d71c66415d3
--- /dev/null
+++ b/Misc/NEWS.d/next/C API/2017-11-24-21-25-43.bpo-32125.K8zWgn.rst	
@@ -0,0 +1,2 @@
+The ``Py_UseClassExceptionsFlag`` flag has been removed. It was deprecated
+and wasn't used anymore since Python 2.0.
diff --git a/Python/pylifecycle.c b/Python/pylifecycle.c
index 8d2ec4e91c3..b079990c40f 100644
--- a/Python/pylifecycle.c
+++ b/Python/pylifecycle.c
@@ -116,7 +116,6 @@ int Py_InspectFlag; /* Needed to determine whether to exit at SystemExit */
 int Py_OptimizeFlag = 0; /* Needed by compile.c */
 int Py_NoSiteFlag; /* Suppress 'import site' */
 int Py_BytesWarningFlag; /* Warn on str(bytes) and str(buffer) */
-int Py_UseClassExceptionsFlag = 1; /* Needed by bltinmodule.c: deprecated */
 int Py_FrozenFlag; /* Needed by getpath.c */
 int Py_IgnoreEnvironmentFlag; /* e.g. PYTHONPATH, PYTHONHOME */
 int Py_DontWriteBytecodeFlag; /* Suppress writing bytecode files (*.pyc) */
diff --git a/Tools/c-globals/ignored-globals.txt b/Tools/c-globals/ignored-globals.txt
index 7b5add865c1..ce6d1d80514 100644
--- a/Tools/c-globals/ignored-globals.txt
+++ b/Tools/c-globals/ignored-globals.txt
@@ -393,7 +393,6 @@ Py_NoUserSiteDirectory
 Py_OptimizeFlag
 Py_QuietFlag
 Py_UnbufferedStdioFlag
-Py_UseClassExceptionsFlag
 Py_VerboseFlag