Cut it all

jklymak · jklymak · commit 89277e4d6ae4 · 2021-02-26T07:42:18.000-08:00
diff --git a/lib/matplotlib/__init__.py b/lib/matplotlib/__init__.py
@@ -828,18 +828,6 @@ def rc_params_from_file(fname, fail_on_error=False, use_default_template=True):
 dict.update(rcParams, _rc_params_in_file(matplotlib_fname()))
 with _api.suppress_matplotlib_deprecation_warning():
     rcParamsOrig = RcParams(rcParams.copy())
-    # This also checks that all rcParams are indeed listed in the template.
-    # Assigning to rcsetup.defaultParams is left only for backcompat.
-    defaultParams = {}
-    for key, validator in rcsetup._validators.items():
-        if key == 'backend':
-            defaultParams['backend'] = rcsetup._auto_backend_sentinel
-        elif key in rcParamsDefault.keys():
-            defaultParams[key] = validator
-        else:
-            _api.warn_external(f'rcsetup key "{key}" not in the default'
-                                ' rcParams')
-    rcsetup.defaultParams = defaultParams
 
 if rcParams['axes.formatter.use_locale']:
     locale.setlocale(locale.LC_ALL, '')
