diff --git a/src/ert/storage/local_ensemble.py b/src/ert/storage/local_ensemble.py
index bc5973dc8ff..7eb8dd21b0c 100644
--- a/src/ert/storage/local_ensemble.py
+++ b/src/ert/storage/local_ensemble.py
@@ -287,29 +287,6 @@ def has_data(self) -> List[int]:
             if RealizationStorageState.RESPONSES_LOADED in ensemble_state[i]
         ]
 
-    def realizations_initialized(self, realizations: List[int]) -> bool:
-        """
-        Check if specified realizations are initialized.
-
-        Parameters
-        ----------
-        realizations : list of int
-            List of realization indices.
-
-        Returns
-        -------
-        initialized : bool
-            True if all realizations are initialized.
-        """
-
-        responses = self.get_realization_mask_with_responses()
-        parameters = self.get_realization_mask_with_parameters()
-
-        if len(responses) == 0 and len(parameters) == 0:
-            return False
-
-        return all((responses[real] or parameters[real]) for real in realizations)
-
     def get_realization_list_with_responses(self) -> List[int]:
         """
         List of realization indices with associated responses.
diff --git a/tests/ert/unit_tests/storage/test_local_storage.py b/tests/ert/unit_tests/storage/test_local_storage.py
index ef782f8f275..75d5129929d 100644
--- a/tests/ert/unit_tests/storage/test_local_storage.py
+++ b/tests/ert/unit_tests/storage/test_local_storage.py
@@ -804,7 +804,12 @@ def write_error_in_save_field(self, model_ensemble: Ensemble, field_data):
 
         parameters = model_ensemble.parameter_values.values()
         fields = [p for p in parameters if isinstance(p, Field)]
-        assume(not storage_ensemble.realizations_initialized([self.iens_to_edit]))
+
+        assume(
+            not storage_ensemble.get_realization_mask_with_parameters()[
+                self.iens_to_edit
+            ]
+        )
         for f in fields:
             with (
                 patch(
@@ -824,7 +829,9 @@ def write_error_in_save_field(self, model_ensemble: Ensemble, field_data):
                 )
 
             assert temp_file.entered
-        assert not storage_ensemble.realizations_initialized([self.iens_to_edit])
+        assert not storage_ensemble.get_realization_mask_with_parameters()[
+            self.iens_to_edit
+        ]
 
     @rule(
         model_ensemble=ensembles,