diff --git a/aodh/storage/base.py b/aodh/storage/base.py
index 5df6b9b1e..65ae1c7ab 100644
--- a/aodh/storage/base.py
+++ b/aodh/storage/base.py
@@ -22,30 +22,6 @@ import six
 import aodh
 
 
-def dict_to_keyval(value, key_base=None):
-    """Expand a given dict to its corresponding key-value pairs.
-
-    Generated keys are fully qualified, delimited using dot notation.
-    ie. key = 'key.child_key.grandchild_key[0]'
-    """
-    val_iter, key_func = None, None
-    if isinstance(value, dict):
-        val_iter = six.iteritems(value)
-        key_func = lambda k: key_base + '.' + k if key_base else k
-    elif isinstance(value, (tuple, list)):
-        val_iter = enumerate(value)
-        key_func = lambda k: key_base + '[%d]' % k
-
-    if val_iter:
-        for k, v in val_iter:
-            key_gen = key_func(k)
-            if isinstance(v, dict) or isinstance(v, (tuple, list)):
-                for key_gen, v in dict_to_keyval(v, key_gen):
-                    yield key_gen, v
-            else:
-                yield key_gen, v
-
-
 def update_nested(original_dict, updates):
     """Updates the leaf nodes in a nest dict.
 
diff --git a/aodh/tests/unit/test_storage.py b/aodh/tests/unit/test_storage.py
deleted file mode 100644
index 4ed8a484d..000000000
--- a/aodh/tests/unit/test_storage.py
+++ /dev/null
@@ -1,34 +0,0 @@
-# Licensed under the Apache License, Version 2.0 (the "License"); you may
-# not use this file except in compliance with the License. You may obtain
-# a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-# License for the specific language governing permissions and limitations
-# under the License.
-from oslotest import base
-
-from aodh.storage import base as storage_base
-
-
-class TestUtils(base.BaseTestCase):
-
-    def test_dict_to_kv(self):
-        data = {'a': 'A',
-                'b': 'B',
-                'nested': {'a': 'A',
-                           'b': 'B',
-                           },
-                'nested2': [{'c': 'A'}, {'c': 'B'}]
-                }
-        pairs = list(storage_base.dict_to_keyval(data))
-        self.assertEqual([('a', 'A'),
-                          ('b', 'B'),
-                         ('nested.a', 'A'),
-                         ('nested.b', 'B'),
-                         ('nested2[0].c', 'A'),
-                         ('nested2[1].c', 'B')],
-                         sorted(pairs, key=lambda x: x[0]))