diff --git a/pypeit/spectrographs/shane_kast.py b/pypeit/spectrographs/shane_kast.py
index 19b94656de..c3eb7b5a50 100644
--- a/pypeit/spectrographs/shane_kast.py
+++ b/pypeit/spectrographs/shane_kast.py
@@ -105,6 +105,26 @@ def compound_meta(self, headarr, meta_key):
             return ttime.mjd
         msgs.error("Not ready for this compound meta")
 
+    def config_independent_frames(self):
+        """
+        Define frame types that are independent of the fully defined
+        instrument configuration.
+
+        This method returns a dictionary where the keys of the dictionary are
+        the list of configuration-independent frame types. The value of each
+        dictionary element can be set to one or more metadata keys that can
+        be used to assign each frame type to a given configuration group. See
+        :func:`~pypeit.metadata.PypeItMetaData.set_configurations` and how it
+        interprets the dictionary values, which can be None.
+
+        Returns:
+            :obj:`dict`: Dictionary where the keys are the frame types that
+            are configuration-independent and the values are the metadata
+            keywords that can be used to assign the frames to a configuration
+            group.
+        """
+        return {'bias':None, 'dark':None}
+
     def configuration_keys(self):
         """
         Return the metadata keys that define a unique instrument