diff --git a/jwst/stpipe/tests/test_utilities.py b/jwst/stpipe/tests/test_utilities.py
index 3a5993b0fc..dd64ffec39 100644
--- a/jwst/stpipe/tests/test_utilities.py
+++ b/jwst/stpipe/tests/test_utilities.py
@@ -60,26 +60,6 @@ def test_record_query_step_status():
     assert query_step_status(model3, 'test_step') == NOT_SET
 
 
-# make up a datamodel for testing filename
-@pytest.fixture(scope='function')
-def miri_ifushort():
-    """ Generate input model IFU image """
-
-
-    mirifushort_short = {
-        'detector': 'MIRIFUSHORT',
-        'channel': '12',
-        'band': 'SHORT',
-        'name': 'MIRI'
-    
-    }
-    input_model = datamodels.IFUImageModel()
-    input_model.meta.exposure.type = 'MIR_MRS'
-    input_model.meta.instrument._instance.update(mirifushort_short)
-    input_model.meta.filename = 'test1.fits'
-    return input_model
-    
-
 def change_name_func(model):
     model.meta.filename = "changed"
     model.meta.cal_step.pixel_replace = "COMPLETE"