diff --git a/ec2api/api/auth.py b/ec2api/api/auth.py
index b731a8e8..1aec7653 100644
--- a/ec2api/api/auth.py
+++ b/ec2api/api/auth.py
@@ -22,9 +22,6 @@ from oslo_log import log as logging
 
 
 auth_opts = [
-    cfg.BoolOpt('api_rate_limit',
-                default=False,
-                help='whether to use per-user rate limiting for the api.'),
     cfg.BoolOpt('use_forwarded_for',
                 default=False,
                 help='Treat X-Forwarded-For as the canonical remote address. '
@@ -41,9 +38,6 @@ def pipeline_factory(loader, global_conf, **local_conf):
     """A paste pipeline replica that keys off of auth_strategy."""
     auth_strategy = "keystone"
     pipeline = local_conf[auth_strategy]
-    if not CONF.api_rate_limit:
-        limit_name = auth_strategy + '_nolimit'
-        pipeline = local_conf.get(limit_name, pipeline)
     pipeline = pipeline.split()
     filters = [loader.get_filter(n) for n in pipeline[:-1]]
     app = loader.get_app(pipeline[-1])
diff --git a/ec2api/paths.py b/ec2api/paths.py
index 24a7325c..0ef00af8 100644
--- a/ec2api/paths.py
+++ b/ec2api/paths.py
@@ -13,20 +13,12 @@
 # limitations under the License.
 
 import os
-import sys
 
 from oslo_config import cfg
 
 path_opts = [
-    cfg.StrOpt('pybasedir',
-               default=os.path.abspath(os.path.join(os.path.dirname(__file__),
-                                                    '../')),
-               help='Directory where the ec2api python module is installed'),
-    cfg.StrOpt('bindir',
-               default=os.path.join(sys.prefix, 'local', 'bin'),
-               help='Directory where ec2api binaries are installed'),
     cfg.StrOpt('state_path',
-               default='$pybasedir',
+               default='/var/lib/ec2api',
                help="Top-level directory for maintaining ec2api's state"),
 ]
 
@@ -34,31 +26,6 @@ CONF = cfg.CONF
 CONF.register_opts(path_opts)
 
 
-def basedir_def(*args):
-    """Return an uninterpolated path relative to $pybasedir."""
-    return os.path.join('$pybasedir', *args)
-
-
-def bindir_def(*args):
-    """Return an uninterpolated path relative to $bindir."""
-    return os.path.join('$bindir', *args)
-
-
 def state_path_def(*args):
     """Return an uninterpolated path relative to $state_path."""
     return os.path.join('$state_path', *args)
-
-
-def basedir_rel(*args):
-    """Return a path relative to $pybasedir."""
-    return os.path.join(CONF.pybasedir, *args)
-
-
-def bindir_rel(*args):
-    """Return a path relative to $bindir."""
-    return os.path.join(CONF.bindir, *args)
-
-
-def state_path_rel(*args):
-    """Return a path relative to $state_path."""
-    return os.path.join(CONF.state_path, *args)
diff --git a/ec2api/service.py b/ec2api/service.py
index 593afaee..dd59e265 100644
--- a/ec2api/service.py
+++ b/ec2api/service.py
@@ -51,9 +51,6 @@ service_opts = [
     cfg.IntOpt('metadata_workers',
                help='Number of workers for metadata service. The default will '
                     'be the number of CPUs available.'),
-    cfg.IntOpt('service_down_time',
-               default=60,
-               help='Maximum time since last check-in for up service'),
 ]
 
 CONF = cfg.CONF
diff --git a/ec2api/utils.py b/ec2api/utils.py
index c95c1ae9..425ed1ec 100644
--- a/ec2api/utils.py
+++ b/ec2api/utils.py
@@ -15,42 +15,16 @@
 
 """Utilities and helper functions."""
 
-import contextlib
 import hashlib
 import hmac
-import shutil
-import tempfile
 from xml.sax import saxutils
 
-from oslo_config import cfg
 from oslo_log import log as logging
 
 
-utils_opts = [
-    cfg.StrOpt('tempdir',
-               help='Explicitly specify the temporary working directory'),
-]
-CONF = cfg.CONF
-CONF.register_opts(utils_opts)
-
 LOG = logging.getLogger(__name__)
 
 
-@contextlib.contextmanager
-def tempdir(**kwargs):
-    argdict = kwargs.copy()
-    if 'dir' not in argdict:
-        argdict['dir'] = CONF.tempdir
-    tmpdir = tempfile.mkdtemp(**argdict)
-    try:
-        yield tmpdir
-    finally:
-        try:
-            shutil.rmtree(tmpdir)
-        except OSError as e:
-            LOG.error('Could not remove tmpdir: %s', str(e))
-
-
 def get_hash_str(base_str):
     """returns string that represents hash of base_str (in hex format)."""
     return hashlib.md5(base_str).hexdigest()