diff --git a/src/anonymizer/engine/schemas/__init__.py b/src/anonymizer/engine/schemas/__init__.py
index 96607d66..bc99215d 100644
--- a/src/anonymizer/engine/schemas/__init__.py
+++ b/src/anonymizer/engine/schemas/__init__.py
@@ -34,7 +34,6 @@
     EntityCategory,
     EntityDispositionSchema,
     EntitySource,
-    MeaningUnitAspect,
     MeaningUnitImportance,
     MeaningUnitSchema,
     MeaningUnitsSchema,
@@ -90,7 +89,6 @@
     "EntityCategory",
     "EntityDispositionSchema",
     "EntitySource",
-    "MeaningUnitAspect",
     "MeaningUnitImportance",
     "MeaningUnitSchema",
     "MeaningUnitsSchema",
diff --git a/src/anonymizer/engine/schemas/rewrite.py b/src/anonymizer/engine/schemas/rewrite.py
index 912281dd..770d0c93 100644
--- a/src/anonymizer/engine/schemas/rewrite.py
+++ b/src/anonymizer/engine/schemas/rewrite.py
@@ -33,7 +33,7 @@
         Uses LLMJudgeColumnConfig with Score rubrics (no custom schema needed)
 
 Supporting enums: Domain, EntitySource, EntityCategory, SensitivityLevel,
-                  ProtectionMethod, CombinedRiskLevel, MeaningUnitAspect, PrivacyAnswer
+                  ProtectionMethod, CombinedRiskLevel, PrivacyAnswer
 """
 
 from __future__ import annotations
@@ -249,25 +249,6 @@ class StrictSensitivityDispositionSchema(SensitivityDispositionSchema):
 # ---------------------------------------------------------------------------
 
 
-class MeaningUnitAspect(str, Enum):
-    ROLE = "role"
-    PROCESS = "process"
-    RELATIONSHIP = "relationship"
-    ENVIRONMENT = "environment"
-    ROUTINE = "routine"
-    CREATIVE_OUTPUT = "creative_output"
-    VALUE = "value"
-    MOTIVATION = "motivation"
-    INFLUENCE = "influence"
-    AUDIENCE = "audience"
-    LEGAL_BASIS = "legal_basis"
-    INSTITUTION = "institution"
-    JUSTIFICATION = "justification"
-    PROCEDURAL_STATUS = "procedural_status"
-    TEMPORAL_SEQUENCE = "temporal_sequence"
-    RIGHTS_IMPACT = "rights_impact"
-
-
 class MeaningUnitImportance(str, Enum):
     critical = "critical"
     important = "important"
@@ -275,7 +256,7 @@ class MeaningUnitImportance(str, Enum):
 
 class MeaningUnitSchema(BaseModel):
     id: int = Field(ge=1)
-    aspect: MeaningUnitAspect
+    aspect: str = Field(min_length=1)
     unit: str = Field(min_length=1)
     importance: MeaningUnitImportance
 
@@ -294,7 +275,7 @@ class MeaningUnitsSchema(BaseModel):
 
 class QualityQAItemSchema(BaseModel):
     id: int
-    aspect: str
+    aspect: str = Field(min_length=1)
     importance: MeaningUnitImportance
     question: str
     reference_answer: str
diff --git a/tests/engine/test_qa_generation.py b/tests/engine/test_qa_generation.py
index 74831f9d..c1dbc2e9 100644
--- a/tests/engine/test_qa_generation.py
+++ b/tests/engine/test_qa_generation.py
@@ -34,7 +34,6 @@
     EntityCategory,
     EntityDispositionSchema,
     EntitySource,
-    MeaningUnitAspect,
     MeaningUnitImportance,
     MeaningUnitSchema,
     MeaningUnitsSchema,
@@ -75,13 +74,13 @@
     units=[
         MeaningUnitSchema(
             id=1,
-            aspect=MeaningUnitAspect.ROLE,
+            aspect="role",
             unit="An individual works as a software engineer.",
             importance=MeaningUnitImportance.critical,
         ),
         MeaningUnitSchema(
             id=2,
-            aspect=MeaningUnitAspect.ENVIRONMENT,
+            aspect="environment",
             unit="The individual works remotely.",
             importance=MeaningUnitImportance.important,
         ),
@@ -158,6 +157,16 @@ def test_serialize_meaning_units_accepts_dict_payload() -> None:
     assert serialized[1]["id"] == 2
 
 
+def test_meaning_unit_accepts_aspect_outside_former_enum() -> None:
+    """Regression: aspects like 'diagnosis' or 'goal' were rejected when aspect was an enum."""
+    unit = MeaningUnitSchema(
+        id=1, aspect="diagnosis", unit="patient presents with type 2 diabetes", importance="critical"
+    )
+    assert unit.aspect == "diagnosis"
+    unit2 = MeaningUnitSchema(id=2, aspect="goal", unit="aims to reduce HbA1c below 7%", importance="important")
+    assert unit2.aspect == "goal"
+
+
 def test_generate_privacy_qa_column_only_protected_entities() -> None:
     row = {COL_SENSITIVITY_DISPOSITION: _STUB_DISPOSITION}
     result = _generate_privacy_qa_column(row)