diff --git a/test/runner/lib/changes.py b/test/runner/lib/changes.py
index 8b66478fd59..890dd223a3a 100644
--- a/test/runner/lib/changes.py
+++ b/test/runner/lib/changes.py
@@ -39,11 +39,7 @@ class InvalidBranch(ApplicationError):
 
 class ChangeDetectionNotSupported(ApplicationError):
     """Exception for cases where change detection is not supported."""
-    def __init__(self, message):
-        """
-        :type message: str
-        """
-        super(ChangeDetectionNotSupported, self).__init__(message)
+    pass
 
 
 class ShippableChanges(object):
diff --git a/test/runner/lib/classification.py b/test/runner/lib/classification.py
index b576cfacb83..b6d10920fb7 100644
--- a/test/runner/lib/classification.py
+++ b/test/runner/lib/classification.py
@@ -77,7 +77,7 @@ def categorize_changes(paths, verbose_command=None):
 
                 # identify targeted integration tests (those which only target a single integration command)
                 if 'integration' in verbose_command and tests.get(verbose_command):
-                    if not any('integration' in command for command in tests.keys() if command != verbose_command):
+                    if not any('integration' in command for command in tests if command != verbose_command):
                         result += ' (targeted)'
             else:
                 result = '%s' % tests
@@ -91,7 +91,7 @@ def categorize_changes(paths, verbose_command=None):
         if any(t == 'all' for t in commands[command]):
             commands[command] = set(['all'])
 
-    commands = dict((c, sorted(commands[c])) for c in commands.keys() if commands[c])
+    commands = dict((c, sorted(commands[c])) for c in commands if commands[c])
 
     return commands
 
diff --git a/test/runner/lib/executor.py b/test/runner/lib/executor.py
index 2b1f39768f7..79dc101ede7 100644
--- a/test/runner/lib/executor.py
+++ b/test/runner/lib/executor.py
@@ -29,7 +29,6 @@ from lib.manage_ci import (
 )
 
 from lib.util import (
-    CommonConfig,
     EnvironmentConfig,
     ApplicationWarning,
     ApplicationError,
@@ -83,10 +82,6 @@ from lib.test import (
     TestSkipped,
 )
 
-from lib.metadata import (
-    Metadata,
-)
-
 SUPPORTED_PYTHON_VERSIONS = (
     '2.6',
     '2.7',
@@ -478,9 +473,9 @@ def command_integration_filtered(args, targets):
                 run_command(args, ['ssh', '-o', 'BatchMode=yes', 'localhost', 'id'], capture=True)
                 display.info('SSH service responded.')
                 break
-            except SubprocessError as ex:
+            except SubprocessError:
                 if i == max_tries:
-                    raise ex
+                    raise
                 seconds = 3
                 display.warning('SSH service not responding. Waiting %d second(s) before checking again.' % seconds)
                 time.sleep(seconds)
diff --git a/test/runner/lib/git.py b/test/runner/lib/git.py
index 07a4245958c..5cea4f8c66d 100644
--- a/test/runner/lib/git.py
+++ b/test/runner/lib/git.py
@@ -84,7 +84,7 @@ class Git(object):
         """
         output = self.run_git(cmd).strip(separator)
 
-        if len(output) == 0:
+        if not output:
             return []
 
         return output.split(separator)
diff --git a/test/runner/lib/http.py b/test/runner/lib/http.py
index 554fdf93d64..f374c0635e6 100644
--- a/test/runner/lib/http.py
+++ b/test/runner/lib/http.py
@@ -10,7 +10,7 @@ import json
 try:
     from urllib import urlencode
 except ImportError:
-    # noinspection PyCompatibility,PyUnresolvedReferences,PyUnresolvedReferences
+    # noinspection PyCompatibility, PyUnresolvedReferences
     from urllib.parse import urlencode  # pylint: disable=locally-disabled, import-error, no-name-in-module
 
 from lib.util import (
diff --git a/test/runner/lib/import_analysis.py b/test/runner/lib/import_analysis.py
index 94f31f4d26b..5ecfff8635f 100644
--- a/test/runner/lib/import_analysis.py
+++ b/test/runner/lib/import_analysis.py
@@ -4,7 +4,6 @@ from __future__ import absolute_import, print_function
 
 import ast
 import os
-import uuid
 
 from lib.util import (
     display,
@@ -110,7 +109,7 @@ def get_python_module_utils_imports(compile_targets):
         display.info('%s reports imports from parent package %s' % (virtual_util, parent_package), verbosity=6)
 
     for module_util in sorted(imports):
-        if not len(imports[module_util]):
+        if not imports[module_util]:
             display.warning('No imports found which use the "%s" module_util.' % module_util)
 
     return imports
diff --git a/test/runner/lib/metadata.py b/test/runner/lib/metadata.py
index 64c6c8a4d34..405132dbf38 100644
--- a/test/runner/lib/metadata.py
+++ b/test/runner/lib/metadata.py
@@ -9,7 +9,6 @@ from lib.util import (
 
 from lib.diff import (
     parse_diff,
-    FileDiff,
 )
 
 
diff --git a/test/runner/lib/sanity.py b/test/runner/lib/sanity.py
index 93405b23ae5..a8294dcbbf8 100644
--- a/test/runner/lib/sanity.py
+++ b/test/runner/lib/sanity.py
@@ -673,22 +673,13 @@ def collect_code_smell_tests():
         skip_tests = skip_fd.read().splitlines()
 
     paths = glob.glob('test/sanity/code-smell/*')
-    paths = sorted(p for p in paths
-                   if os.access(p, os.X_OK)
-                   and os.path.isfile(p)
-                   and os.path.basename(p) not in skip_tests)
+    paths = sorted(p for p in paths if os.access(p, os.X_OK) and os.path.isfile(p) and os.path.basename(p) not in skip_tests)
 
     tests = tuple(SanityFunc(os.path.splitext(os.path.basename(p))[0], command_sanity_code_smell, script=p, intercept=False) for p in paths)
 
     return tests
 
 
-def sanity_init():
-    """Initialize full sanity test list (includes code-smell scripts determined at runtime)."""
-    global SANITY_TESTS  # pylint: disable=locally-disabled, global-statement
-    SANITY_TESTS = tuple(sorted(SANITY_TESTS + collect_code_smell_tests(), key=lambda k: k.name))
-
-
 def sanity_get_tests():
     """
     :rtype: tuple(SanityFunc)
@@ -730,17 +721,7 @@ class SanityFailure(TestFailure):
 
 class SanityMessage(TestMessage):
     """Single sanity test message for one file."""
-    def __init__(self, message, path, line=0, column=0, level='error', code=None, confidence=None):
-        """
-        :type message: str
-        :type path: str
-        :type line: int
-        :type column: int
-        :type level: str
-        :type code: str | None
-        :type confidence: int | None
-        """
-        super(SanityMessage, self).__init__(message, path, line, column, level, code, confidence)
+    pass
 
 
 class SanityTargets(object):
@@ -788,3 +769,9 @@ SANITY_TESTS = (
     SanityFunc('validate-modules', command_sanity_validate_modules, intercept=False),
     SanityFunc('ansible-doc', command_sanity_ansible_doc),
 )
+
+
+def sanity_init():
+    """Initialize full sanity test list (includes code-smell scripts determined at runtime)."""
+    global SANITY_TESTS  # pylint: disable=locally-disabled, global-statement
+    SANITY_TESTS = tuple(sorted(SANITY_TESTS + collect_code_smell_tests(), key=lambda k: k.name))
diff --git a/test/runner/lib/target.py b/test/runner/lib/target.py
index f6051ec73ee..fa0b0cdf921 100644
--- a/test/runner/lib/target.py
+++ b/test/runner/lib/target.py
@@ -323,8 +323,8 @@ class CompletionTarget(object):
     def __eq__(self, other):
         if isinstance(other, CompletionTarget):
             return self.__repr__() == other.__repr__()
-        else:
-            return False
+
+        return False
 
     def __ne__(self, other):
         return not self.__eq__(other)
diff --git a/test/runner/lib/test.py b/test/runner/lib/test.py
index f38d0f340ef..e07e813b4ca 100644
--- a/test/runner/lib/test.py
+++ b/test/runner/lib/test.py
@@ -192,14 +192,6 @@ class TestResult(object):
 
 class TestSuccess(TestResult):
     """Test success."""
-    def __init__(self, command, test, python_version=None):
-        """
-        :type command: str
-        :type test: str
-        :type python_version: str
-        """
-        super(TestSuccess, self).__init__(command, test, python_version)
-
     def write_junit(self, args):
         """
         :type args: TestConfig
@@ -211,14 +203,6 @@ class TestSuccess(TestResult):
 
 class TestSkipped(TestResult):
     """Test skipped."""
-    def __init__(self, command, test, python_version=None):
-        """
-        :type command: str
-        :type test: str
-        :type python_version: str
-        """
-        super(TestSkipped, self).__init__(command, test, python_version)
-
     def write_console(self):
         """Write results to console."""
         display.info('No tests applicable.', verbosity=1)
diff --git a/test/runner/lib/thread.py b/test/runner/lib/thread.py
index cf7d6a36c40..e40ed269bdf 100644
--- a/test/runner/lib/thread.py
+++ b/test/runner/lib/thread.py
@@ -19,6 +19,7 @@ class WrappedThread(threading.Thread):
         """
         :type action: () -> any
         """
+        # noinspection PyOldStyleClasses
         super(WrappedThread, self).__init__()
         self._result = queue.Queue()
         self.action = action
diff --git a/test/runner/lib/util.py b/test/runner/lib/util.py
index 74942d4b573..358c54a4d7f 100644
--- a/test/runner/lib/util.py
+++ b/test/runner/lib/util.py
@@ -372,20 +372,12 @@ class Display(object):
 
 class ApplicationError(Exception):
     """General application error."""
-    def __init__(self, message=None):
-        """
-        :type message: str | None
-        """
-        super(ApplicationError, self).__init__(message)
+    pass
 
 
 class ApplicationWarning(Exception):
     """General application warning which interrupts normal program flow."""
-    def __init__(self, message=None):
-        """
-        :type message: str | None
-        """
-        super(ApplicationWarning, self).__init__(message)
+    pass
 
 
 class SubprocessError(ApplicationError):
diff --git a/test/runner/retry.py b/test/runner/retry.py
index 49721316f01..bc1c140a162 100755
--- a/test/runner/retry.py
+++ b/test/runner/retry.py
@@ -4,6 +4,7 @@
 
 from __future__ import absolute_import, print_function
 
+# noinspection PyCompatibility
 import argparse
 import errno
 import os
diff --git a/test/runner/test.py b/test/runner/test.py
index 801f07f9634..62275bad850 100755
--- a/test/runner/test.py
+++ b/test/runner/test.py
@@ -391,7 +391,6 @@ def add_lint(parser):
                         help='exit successfully on failed tests after saving results')
 
 
-
 def add_changes(parser, argparse):
     """
     :type parser: argparse.ArgumentParser
diff --git a/test/sanity/pep8/legacy-files.txt b/test/sanity/pep8/legacy-files.txt
index 8a787a5c341..3a462537ec6 100644
--- a/test/sanity/pep8/legacy-files.txt
+++ b/test/sanity/pep8/legacy-files.txt
@@ -964,8 +964,6 @@ test/integration/gce_credentials.py
 test/integration/setup_gce.py
 test/integration/targets/async/library/async_test.py
 test/integration/targets/uri/files/testserver.py
-test/runner/lib/sanity.py
-test/runner/test.py
 test/sanity/code-smell/ansible-var-precedence-check.py
 test/sanity/validate-modules/module_args.py
 test/sanity/validate-modules/schema.py