diff --git a/python/sklearnserver/sklearnserver/model.py b/python/sklearnserver/sklearnserver/model.py
index 46bdc592294..6d502dd26ee 100644
--- a/python/sklearnserver/sklearnserver/model.py
+++ b/python/sklearnserver/sklearnserver/model.py
@@ -14,12 +14,6 @@ def load(self):
         self._joblib = joblib.load(model_file)
         self.ready = True
 
-    def preprocess(self, inputs):
-        return inputs
-        
-    def postprocess(self, outputs):
-        return outputs
-
     def predict(self, inputs):
         try:
             inputs = np.array(inputs)