diff --git a/pieces/ProphetTrainModelPiece/models.py b/pieces/ProphetTrainModelPiece/models.py
index ccb586e..177d17e 100644
--- a/pieces/ProphetTrainModelPiece/models.py
+++ b/pieces/ProphetTrainModelPiece/models.py
@@ -20,18 +20,6 @@ class InputModel(BaseModel):
         title="Input Data File",
         description="Path to the input data file. Accepted formats: `.csv`, `.json`. Should use the following format: `ds` (datetime), `y` (target).",
     )
-    # datetime_column_name: str = Field(
-    #     description="Name of the column containing the datetime values."
-    # )
-    # target_column_name: str = Field(
-    #     description="Name of the column containing the target values."
-    # )
-    test_set_percentage: float = Field(
-        default=20.0,
-        ge=1,
-        le=90,
-        description="Percentage of the data to use as test set. Default is 20%."
-    )
     growth_trend: GrowthTrend = Field(
         default=GrowthTrend.linear,
         description="The growth trend of the data. Options are `linear`, `logistic` and `flat`. Default is `linear`."
diff --git a/pieces/ProphetTrainModelPiece/piece.py b/pieces/ProphetTrainModelPiece/piece.py
index 6af429b..c08efea 100644
--- a/pieces/ProphetTrainModelPiece/piece.py
+++ b/pieces/ProphetTrainModelPiece/piece.py
@@ -20,7 +20,12 @@ def piece_function(self, input_data: InputModel):
         else:
             raise ValueError("File format not supported. Please pass a CSV or JSON file.")
 
-        model = Prophet()
+        model = Prophet(
+            seasonality_mode=input_data.seasonality_mode,
+            growth=input_data.growth_trend,
+            changepoints=input_data.changepoints,
+            n_changepoints=input_data.n_changepoints
+        )
         model.fit(df)
 
         # Serialize model