diff --git a/tdc/model_server/tokenizers/geneformer.py b/tdc/model_server/tokenizers/geneformer.py
index 3fa338cd..48225682 100644
--- a/tdc/model_server/tokenizers/geneformer.py
+++ b/tdc/model_server/tokenizers/geneformer.py
@@ -1,11 +1,10 @@
 import numpy as np
 import scipy.sparse as sp
 
-from geneformer import TranscriptomeTokenizer
 from ...utils.load import pd_load, download_wrapper
 
 
-class GeneformerTokenizer(TranscriptomeTokenizer):
+class GeneformerTokenizer:
     """
     Uses Geneformer Utils to parse zero-shot model server requests for tokenizing single-cell gene expression data.
 
diff --git a/tdc/test/test_model_server.py b/tdc/test/test_model_server.py
index 82a10f8a..3ccd56c0 100644
--- a/tdc/test/test_model_server.py
+++ b/tdc/test/test_model_server.py
@@ -95,7 +95,7 @@ def testGeneformerTokenizer(self):
         assert x[0]
 
         # test Geneformer can serve the request
-        cells, metadata = x
+        cells, _ = x
         assert cells, "FAILURE: cells false-like. Value is = {}".format(cells)
         assert len(cells) > 0, "FAILURE: length of cells <= 0 {}".format(cells)
         from tdc import tdc_hf_interface