diff --git a/src/python/turicreate/toolkits/activity_classifier/_activity_classifier.py b/src/python/turicreate/toolkits/activity_classifier/_activity_classifier.py
index <HASH>..<HASH> 100644
--- a/src/python/turicreate/toolkits/activity_classifier/_activity_classifier.py
+++ b/src/python/turicreate/toolkits/activity_classifier/_activity_classifier.py
@@ -191,7 +191,6 @@ def create(dataset, session_id, target, features=None, prediction_window=100,
         options['prediction_window'] = prediction_window
         options['batch_size'] = batch_size
         options['max_iterations'] = max_iterations
-        options['use_tensorflow'] = params['use_tensorflow']
 
         model.train(dataset, target, session_id, validation_set, options)
         return ActivityClassifier_beta(model_proxy=model, name=name)
Activity classifier bug fix: don't pass unrecognized options to C++ (#<I>)