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-rw-r--r--buildstream/_artifactcache/ostreecache.py1
-rw-r--r--buildstream/_artifactcache/tarcache.py1
-rw-r--r--buildstream/_scheduler/pullqueue.py3
3 files changed, 0 insertions, 5 deletions
diff --git a/buildstream/_artifactcache/ostreecache.py b/buildstream/_artifactcache/ostreecache.py
index 3053cdd65..fb1f772a3 100644
--- a/buildstream/_artifactcache/ostreecache.py
+++ b/buildstream/_artifactcache/ostreecache.py
@@ -26,7 +26,6 @@ import tempfile
from .. import _ostree, _signals, utils
from .._exceptions import ArtifactError
-from ..element import _KeyStrength
from .._ostree import OSTreeError
from . import ArtifactCache
diff --git a/buildstream/_artifactcache/tarcache.py b/buildstream/_artifactcache/tarcache.py
index 1806725d8..ea01d378d 100644
--- a/buildstream/_artifactcache/tarcache.py
+++ b/buildstream/_artifactcache/tarcache.py
@@ -24,7 +24,6 @@ import tarfile
import subprocess
from .. import utils, ProgramNotFoundError
-from ..element import _KeyStrength
from .._exceptions import ArtifactError
from . import ArtifactCache
diff --git a/buildstream/_scheduler/pullqueue.py b/buildstream/_scheduler/pullqueue.py
index 4cc0f8a1b..458c65e92 100644
--- a/buildstream/_scheduler/pullqueue.py
+++ b/buildstream/_scheduler/pullqueue.py
@@ -19,9 +19,6 @@
# Tristan Van Berkom <tristan.vanberkom@codethink.co.uk>
# Jürg Billeter <juerg.billeter@codethink.co.uk>
-# BuildStream toplevel imports
-from ..element import _KeyStrength
-
# Local imports
from . import Queue, QueueStatus, QueueType