diff --git a/api/core/workflow/nodes/parameter_extractor/entities.py b/api/core/workflow/nodes/parameter_extractor/entities.py
index 0bc92fb600..12347d21a5 100644
--- a/api/core/workflow/nodes/parameter_extractor/entities.py
+++ b/api/core/workflow/nodes/parameter_extractor/entities.py
@@ -58,20 +58,6 @@ class ParameterConfig(BaseModel):
     description: str
     required: bool
 
-    _is_old_select_type: bool = PrivateAttr(default=False)
-
-    @model_validator(mode="wrap")
-    @classmethod
-    def log_failed_validation(cls, data: Any, handler: ModelWrapValidatorHandler[Self]) -> Self:
-        if not isinstance(data, dict):
-            return handler(data)
-
-        original_type = data.get("type")
-        instance = handler(data)
-        if original_type == _OLD_SELECT_TYPE_NAME:
-            instance._is_old_select_type = True
-        return instance
-
     @field_validator("name", mode="before")
     @classmethod
     def validate_name(cls, value) -> str:
@@ -138,7 +124,7 @@ class ParameterExtractorNodeData(BaseNodeData):
             else:
                 parameter_schema["type"] = parameter.type
 
-            if parameter._is_old_select_type:
+            if parameter.options:
                 parameter_schema["enum"] = parameter.options
 
             parameters["properties"][parameter.name] = parameter_schema
diff --git a/api/tests/unit_tests/core/workflow/nodes/parameter_extractor/__init__.py b/api/tests/unit_tests/core/workflow/nodes/parameter_extractor/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/api/tests/unit_tests/core/workflow/nodes/parameter_extractor/test_entities.py b/api/tests/unit_tests/core/workflow/nodes/parameter_extractor/test_entities.py
new file mode 100644
index 0000000000..b28d1d3d0a
--- /dev/null
+++ b/api/tests/unit_tests/core/workflow/nodes/parameter_extractor/test_entities.py
@@ -0,0 +1,27 @@
+from core.variables.types import SegmentType
+from core.workflow.nodes.parameter_extractor.entities import ParameterConfig
+
+
+class TestParameterConfig:
+    def test_select_type(self):
+        data = {
+            "name": "yes_or_no",
+            "type": "select",
+            "options": ["yes", "no"],
+            "description": "a simple select made of `yes` and `no`",
+            "required": True,
+        }
+
+        pc = ParameterConfig.model_validate(data)
+        assert pc.type == SegmentType.STRING
+        assert pc.options == data["options"]
+
+    def test_validate_bool_type(self):
+        data = {
+            "name": "boolean",
+            "type": "bool",
+            "description": "a simple boolean parameter",
+            "required": True,
+        }
+        pc = ParameterConfig.model_validate(data)
+        assert pc.type == SegmentType.BOOLEAN