diff --git a/training/deepspeech_training/util/taskcluster.py b/training/deepspeech_training/util/taskcluster.py
index 4471659d..13829bdf 100644
--- a/training/deepspeech_training/util/taskcluster.py
+++ b/training/deepspeech_training/util/taskcluster.py
@@ -14,8 +14,6 @@ import sys
 
 from pkg_resources import parse_version
 
-from .io import isdir_remote, open_remote, is_remote_path
-
 DEFAULT_SCHEMES = {
     'deepspeech': 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.deepspeech.native_client.%(branch_name)s.%(arch_string)s/artifacts/public/%(artifact_name)s',
     'tensorflow': 'https://community-tc.services.mozilla.com/api/index/v1/task/project.deepspeech.tensorflow.pip.%(branch_name)s.%(arch_string)s/artifacts/public/%(artifact_name)s'
@@ -43,7 +41,7 @@ def maybe_download_tc(target_dir, tc_url, progress=True):
 
     assert target_dir is not None
 
-    if not is_remote_path(target_dir):
+    if not os.path.isdir(target_dir):
         try:
             os.makedirs(target_dir)
         except OSError as e:
@@ -62,7 +60,7 @@ def maybe_download_tc(target_dir, tc_url, progress=True):
         print('File already exists: %s' % target_file)
 
     if is_gzip:
-        with open_remote(target_file, "r+b") as frw:
+        with open(target_file, "r+b") as frw:
             decompressed = gzip.decompress(frw.read())
             frw.seek(0)
             frw.write(decompressed)