diff --git a/plotly/matplotlylib/renderer.py b/plotly/matplotlylib/renderer.py
index aca990da93..3d5897a9eb 100644
--- a/plotly/matplotlylib/renderer.py
+++ b/plotly/matplotlylib/renderer.py
@@ -735,5 +735,4 @@ def resize(self):
                 pass
 
     def strip_style(self):
-        self.msg += "Stripping mpl style, deleting keys from data and layout\n"
-        self.plotly_fig.strip_style()
+        self.msg += "Stripping mpl style is no longer supported\n"
diff --git a/plotly/plotly/plotly.py b/plotly/plotly/plotly.py
index 88bf1ca987..a5280c219e 100644
--- a/plotly/plotly/plotly.py
+++ b/plotly/plotly/plotly.py
@@ -276,7 +276,6 @@ def iplot_mpl(fig, resize=True, strip_style=False, update=None,
     fig = tools.mpl_to_plotly(fig, resize=resize, strip_style=strip_style)
     if update and isinstance(update, dict):
         fig.update(update)
-        fig.validate()
     elif update is not None:
         raise exceptions.PlotlyGraphObjectError(
             "'update' must be dictionary-like and a valid plotly Figure "