diff --git a/clinicadl/maps_manager/maps_manager.py b/clinicadl/maps_manager/maps_manager.py
index 3b32486b5..a9d3bfc67 100644
--- a/clinicadl/maps_manager/maps_manager.py
+++ b/clinicadl/maps_manager/maps_manager.py
@@ -175,6 +175,7 @@ def _check_args(self, parameters):
         )
 
         split_manager = self._init_split_manager(None)
+
         train_df = split_manager[0]["train"]
         if "label" not in self.parameters:
             self.parameters["label"] = None
diff --git a/clinicadl/trainer/trainer.py b/clinicadl/trainer/trainer.py
index 9606477b6..9af58175d 100644
--- a/clinicadl/trainer/trainer.py
+++ b/clinicadl/trainer/trainer.py
@@ -166,7 +166,7 @@ def resume(self, splits: List[int]) -> None:
         )
         # TODO : check these two lines. Why do we need a split_manager?
         split_manager = init_split_manager(
-            validation=self.config.validation,
+            validation=self.maps_manager.validation,
             parameters=self.config.model_dump(),
             split_list=splits,
         )
@@ -225,7 +225,7 @@ def train(
 
         else:
             split_manager = init_split_manager(
-                self.config.validation, self.config.model_dump(), split_list
+                self.maps_manager.validation, self.config.model_dump(), split_list
             )
             for split in split_manager.split_iterator():
                 logger.info(f"Training split {split}")
@@ -249,7 +249,7 @@ def train(
     def check_split_list(self, split_list, overwrite):
         existing_splits = []
         split_manager = init_split_manager(
-            self.config.validation, self.config.model_dump(), split_list
+            self.maps_manager.validation, self.config.model_dump(), split_list
         )
         for split in split_manager.split_iterator():
             split_path = (
@@ -289,7 +289,7 @@ def _resume(
         """
         missing_splits = []
         split_manager = init_split_manager(
-            self.config.validation, self.config.model_dump(), split_list
+            self.maps_manager.validation, self.config.model_dump(), split_list
         )
 
         for split in split_manager.split_iterator():
@@ -310,7 +310,7 @@ def _resume(
             self._train_ssda(split_list, resume=True)
         else:
             split_manager = init_split_manager(
-                self.config.validation, self.config.model_dump(), split_list
+                self.maps_manager.validation, self.config.model_dump(), split_list
             )
             for split in split_manager.split_iterator():
                 logger.info(f"Training split {split}")
diff --git a/clinicadl/validation/split_manager/kfold.py b/clinicadl/validation/split_manager/kfold.py
index a87314c7e..a3c26baaa 100644
--- a/clinicadl/validation/split_manager/kfold.py
+++ b/clinicadl/validation/split_manager/kfold.py
@@ -25,7 +25,6 @@ def __init__(
             split_list,
         )
         self.n_splits = n_splits
-        self.validation = "Kfold"
 
     def max_length(self) -> int:
         return self.n_splits
diff --git a/clinicadl/validation/split_manager/single_split.py b/clinicadl/validation/split_manager/single_split.py
index 92458d409..6ff282bb2 100644
--- a/clinicadl/validation/split_manager/single_split.py
+++ b/clinicadl/validation/split_manager/single_split.py
@@ -23,7 +23,6 @@ def __init__(
             multi_cohort,
             split_list,
         )
-        self.validation = "SingleSplit"
 
     def max_length(self) -> int:
         return 1