diff --git a/src/noisepy/seis/main.py b/src/noisepy/seis/main.py
index c2819ef3..b3283221 100644
--- a/src/noisepy/seis/main.py
+++ b/src/noisepy/seis/main.py
@@ -17,14 +17,14 @@
     channel_filter,
 )
 from noisepy.seis.io.channelcatalog import CSVChannelCatalog, XMLStationChannelCatalog
-from noisepy.seis.io.datatypes import Channel, ConfigParameters
+from noisepy.seis.io.datatypes import ConfigParameters
 from noisepy.seis.io.numpystore import NumpyCCStore, NumpyStackStore
 from noisepy.seis.io.scedc_s3store import SCEDCS3DataStore
 from noisepy.seis.io.utils import fs_join, get_filesystem, io_retry
 from noisepy.seis.io.zarrstore import ZarrCCStore, ZarrStackStore
 
 from . import __version__
-from .constants import CONFIG_FILE, STATION_FILE, WILD_CARD
+from .constants import CONFIG_FILE, STATION_FILE
 from .correlate import cross_correlate
 from .fdsn_download import download
 from .scheduler import (