diff --git a/sourmash/cli/__init__.py b/sourmash/cli/__init__.py
index 35bfcdf752..878a829a36 100644
--- a/sourmash/cli/__init__.py
+++ b/sourmash/cli/__init__.py
@@ -19,7 +19,6 @@
 from . import categorize
 from . import compare
 from . import compute
-from . import dump
 from . import gather
 from . import import_csv
 from . import info
@@ -100,7 +99,7 @@ def get_parser():
     alias = {
         "sig": "signature"
     }
-    expert = set(['categorize', 'dump', 'import_csv', 'migrate', 'multigather', 'sbt_combine', 'watch'])
+    expert = set(['categorize', 'import_csv', 'migrate', 'multigather', 'sbt_combine', 'watch'])
 
     clidir = os.path.dirname(__file__)
     basic_ops = utils.command_list(clidir)
diff --git a/sourmash/cli/dump.py b/sourmash/cli/dump.py
deleted file mode 100644
index bf76b246c9..0000000000
--- a/sourmash/cli/dump.py
+++ /dev/null
@@ -1,14 +0,0 @@
-"'sourmash dump' - produce a text dump of hashes in one or more signatures."
-
-from sourmash.cli.utils import add_ksize_arg, add_moltype_args
-
-
-def subparser(subparsers):
-    subparser = subparsers.add_parser('dump')
-    subparser.add_argument('filenames', nargs='+')
-    add_ksize_arg(subparser, 31)
-
-
-def main(args):
-    import sourmash
-    return sourmash.commands.dump(args)
diff --git a/sourmash/commands.py b/sourmash/commands.py
index 3507be5182..0a940f43cf 100644
--- a/sourmash/commands.py
+++ b/sourmash/commands.py
@@ -306,21 +306,6 @@ def import_csv(args):
             sig.save_signatures(siglist, outfp)
 
 
-def dump(args):
-    "Dump hashes for each input signature into a {name}.dump.txt file."
-    for filename in args.filenames:
-        notify('loading {}', filename)
-        siglist = sig.load_signatures(filename, ksize=args.ksize)
-        siglist = list(siglist)
-        assert len(siglist) == 1
-
-        s = siglist[0]
-
-        fp = open(filename + '.dump.txt', 'w')
-        fp.write(" ".join((map(str, s.minhash.get_hashes()))))
-        fp.close()
-
-
 def sbt_combine(args):
     inp_files = list(args.sbts)
     notify('combining {} SBTs', len(inp_files))