diff --git a/vstools/enums/generic.py b/vstools/enums/generic.py
index 7530b51..bed638f 100644
--- a/vstools/enums/generic.py
+++ b/vstools/enums/generic.py
@@ -28,7 +28,8 @@ def _missing_(cls: type[ChromaLocation], value: Any) -> ChromaLocation | None:
             return cls.LEFT
 
         if value > cls.BOTTOM:
-            raise UnsupportedChromaLocationError(f'ChromaLocation({value}) is unsupported.', cls)
+            raise UnsupportedChromaLocationError(
+                f'ChromaLocation({value}) is unsupported.', cls)
 
         return None
 
@@ -48,16 +49,6 @@ def from_res(cls, frame: vs.VideoNode | vs.VideoFrame) -> ChromaLocation:
 
         :return:            ChromaLocation object.
         """
-        from .color import Matrix, Primaries, Transfer
-
-        matrix, transfer, primaries = Matrix(frame), Transfer(frame), Primaries(frame)
-
-        if (
-            primaries == Primaries.BT2020
-            or matrix in (Matrix.BT2020CL, Matrix.BT2020NCL)
-            or transfer in (Transfer.BT2020_10, Transfer.BT2020_12)
-        ):
-            return ChromaLocation.TOP_LEFT
 
         return ChromaLocation.LEFT
 
@@ -92,7 +83,8 @@ def get_offsets(
 
         if isinstance(chroma_loc, vs.VideoNode):
             assert chroma_loc.format
-            subsampling = (chroma_loc.format.subsampling_w, chroma_loc.format.subsampling_h)
+            subsampling = (chroma_loc.format.subsampling_w,
+                           chroma_loc.format.subsampling_h)
 
             if subsampling in [(1, 0), (1, 1)]:
                 offsets = (0.5, 0)
@@ -131,7 +123,8 @@ def _missing_(cls: type[FieldBased], value: Any) -> FieldBased | None:
             return cls.PROGRESSIVE
 
         if value > cls.TFF:
-            raise UnsupportedFieldBasedError(f'FieldBased({value}) is unsupported.', cls)
+            raise UnsupportedFieldBasedError(
+                f'FieldBased({value}) is unsupported.', cls)
 
         return None