diff --git a/nnunetv2/imageio/nibabel_reader_writer.py b/nnunetv2/imageio/nibabel_reader_writer.py
index 78fb17ac1..2854da4b5 100644
--- a/nnunetv2/imageio/nibabel_reader_writer.py
+++ b/nnunetv2/imageio/nibabel_reader_writer.py
@@ -31,8 +31,6 @@ class NibabelIO(BaseReaderWriter):
     supported_file_endings = [
         '.nii',
         '.nii.gz',
-        '.nrrd',
-        '.mha'
     ]
 
     def read_images(self, image_fnames: Union[List[str], Tuple[str, ...]]) -> Tuple[np.ndarray, dict]:
@@ -110,8 +108,6 @@ class NibabelIOWithReorient(BaseReaderWriter):
     supported_file_endings = [
         '.nii',
         '.nii.gz',
-        '.nrrd',
-        '.mha'
     ]
 
     def read_images(self, image_fnames: Union[List[str], Tuple[str, ...]]) -> Tuple[np.ndarray, dict]: