diff --git a/spinn_utilities/configs/__init__.py b/spinn_utilities/configs/__init__.py
index e9894e09..6ea7b95d 100644
--- a/spinn_utilities/configs/__init__.py
+++ b/spinn_utilities/configs/__init__.py
@@ -13,12 +13,10 @@
 # limitations under the License.
 
 from .camel_case_config_parser import CamelCaseConfigParser
-from .case_sensitive_parser import CaseSensitiveParser
 from .config_template_exception import ConfigTemplateException
 from .no_config_found_exception import NoConfigFoundException
 from .unexpected_config_exception import UnexpectedConfigException
 
 __all__ = [
-    "CamelCaseConfigParser", "CaseSensitiveParser",
-    "ConfigTemplateException", "NoConfigFoundException",
-    "UnexpectedConfigException"]
+    "CamelCaseConfigParser", "ConfigTemplateException",
+    "NoConfigFoundException", "UnexpectedConfigException"]
diff --git a/spinn_utilities/configs/case_sensitive_parser.py b/spinn_utilities/configs/case_sensitive_parser.py
deleted file mode 100644
index 20558fa0..00000000
--- a/spinn_utilities/configs/case_sensitive_parser.py
+++ /dev/null
@@ -1,23 +0,0 @@
-# Copyright (c) 2017 The University of Manchester
-#
-# 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
-#
-#     https://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.
-
-import configparser
-
-
-class CaseSensitiveParser(configparser.RawConfigParser):
-    def optionxform(self, optionstr):
-        """
-        Performs no transformation of option strings.
-        """
-        return optionstr
diff --git a/spinn_utilities/data/utils_data_view.py b/spinn_utilities/data/utils_data_view.py
index 7a52be76..9b4601f8 100644
--- a/spinn_utilities/data/utils_data_view.py
+++ b/spinn_utilities/data/utils_data_view.py
@@ -613,11 +613,11 @@ def _mock_has_run(cls):
 
     def raise_skiptest(self, reason, parent=None):
         """
-        Sets the status as shutdown amd raises a SkipTest
+        Sets the status as shutdown and raises a SkipTest
 
-        :param Exception reason: Message for the exception is any
-        :param parent: Exception which trggered the skip if any
-        :type reason: Exception or None
+        :param str reason: Message for the Skip
+        :param parent: Exception which triggered the skip if any
+        :type parent: Exception or None
         :raises: SkipTest very time called
         """
         self.__data._data_status = DataStatus.SHUTDOWN
diff --git a/spinn_utilities/exceptions.py b/spinn_utilities/exceptions.py
index 78b81901..bbdd716d 100644
--- a/spinn_utilities/exceptions.py
+++ b/spinn_utilities/exceptions.py
@@ -50,14 +50,6 @@ def __init__(self, data):
         super().__init__(f"{data} has not yet been created.")
 
 
-class DataChanged(SpiNNUtilsException):
-    """
-    Raised when trying to get data after some changed.
-    """
-    def __init__(self, data):
-        super().__init__(f"{data} has been changed.")
-
-
 class DataNotMocked(DataNotYetAvialable):
     """
     Raised when trying to get data before a mocked simulator has created it.
@@ -66,12 +58,6 @@ def __init__(self, data):
         super().__init__(f"MOCK {data}")
 
 
-class IllegalState(DataNotYetAvialable):
-    """
-    Raised when trying to get data before a mocked simulator has created it.
-    """
-
-
 class ShutdownException(SpiNNUtilsException):
     """
     Raised when trying to get simulator data after it has been shut down.