diff --git a/plugins/cmds.py b/plugins/cmds.py
index 5aaee98..de2fe0b 100644
--- a/plugins/cmds.py
+++ b/plugins/cmds.py
@@ -6,25 +6,15 @@
 import re
 import string
 import subprocess
-import sys
 import threading
 
 from collections import defaultdict, deque
-from functools import reduce
 from itertools import chain
 from operator import itemgetter as iget
 
-try:
-    import sublime
-    import sublime_plugin
-    from sublime import status_message, error_message
-
-except ImportError:  # running tests
-    from .tests.sublime_fake import sublime
-    from .tests.sublime_fake import sublime_plugin
-
-    sys.modules['sublime'] = sublime
-    sys.modules['sublime_plugin'] = sublime_plugin
+import sublime
+import sublime_plugin
+from sublime import status_message, error_message
 
 from .ctags import (FILENAME, PATH_ORDER, SYMBOL,
                     build_ctags, parse_tag_lines,
diff --git a/plugins/ctags.py b/plugins/ctags.py
index a758a9f..695cb2c 100644
--- a/plugins/ctags.py
+++ b/plugins/ctags.py
@@ -8,7 +8,6 @@
 import os
 import re
 import subprocess
-import sys
 
 from subprocess import check_output
 
diff --git a/plugins/tests/__init__.py b/plugins/tests/__init__.py
index e69de29..d6ddff9 100644
--- a/plugins/tests/__init__.py
+++ b/plugins/tests/__init__.py
@@ -0,0 +1,7 @@
+import sys
+
+from . import mock_sublime
+from . import mock_sublime_plugin
+
+sys.modules['sublime'] = mock_sublime
+sys.modules['sublime_plugin'] = mock_sublime_plugin
diff --git a/plugins/tests/mock_sublime.py b/plugins/tests/mock_sublime.py
new file mode 100644
index 0000000..d22c237
--- /dev/null
+++ b/plugins/tests/mock_sublime.py
@@ -0,0 +1,40 @@
+"""
+Mock module for ``sublime`` in Sublime Text.
+"""
+
+import sys
+
+# find flags
+LITERAL = 1
+IGNORECASE = 2
+WHOLEWORD = 4
+REVERSE = 8
+WRAP = 16
+
+
+def arch():
+    return 'x64'
+
+
+def platform():
+    if sys.platform == 'darwin':
+        return 'osx'
+    if sys.platform == 'win32':
+        return 'windows'
+    return 'linux'
+
+
+def version():
+    return '4126'
+
+
+def load_settings(self, **kargs):
+    pass
+
+
+def status_message(msg):
+    pass
+
+
+def error_message(msg):
+    pass
diff --git a/plugins/tests/mock_sublime_plugin.py b/plugins/tests/mock_sublime_plugin.py
new file mode 100644
index 0000000..af16313
--- /dev/null
+++ b/plugins/tests/mock_sublime_plugin.py
@@ -0,0 +1,19 @@
+"""
+Mock module for ``sublime_plugin`` in Sublime Text.
+"""
+
+all_callbacks = {
+    'on_load': []
+}
+
+
+class WindowCommand(object):
+    pass
+
+
+class TextCommand(object):
+    pass
+
+
+class EventListener(object):
+    pass
diff --git a/plugins/tests/sublime_fake.py b/plugins/tests/sublime_fake.py
deleted file mode 100644
index bf2ee89..0000000
--- a/plugins/tests/sublime_fake.py
+++ /dev/null
@@ -1,30 +0,0 @@
-class sublime(object):
-    """
-    Mock object for ``sublime`` class in Sublime Text.
-    """
-    LITERAL = ''
-    VERSION = '2.0'
-
-    def load_settings(self, **kargs):
-        pass
-
-    @staticmethod
-    def version():
-        return sublime.VERSION
-
-class sublime_plugin(object):
-    """
-    Mock object for ``sublime_plugin`` class in Sublime Text.
-    """
-    all_callbacks = {
-        'on_load': []
-    }
-
-    class WindowCommand(object):
-        pass
-
-    class TextCommand(object):
-        pass
-
-    class EventListener(object):
-        pass
diff --git a/plugins/utils.py b/plugins/utils.py
index 9c7928f..4d4ac37 100644
--- a/plugins/utils.py
+++ b/plugins/utils.py
@@ -1,23 +1,12 @@
 """
 common utilities used by all ctags modules
 """
-import os
 import re
-import sys
 
 # Helper functions
 
-try:
-    import sublime
-    import sublime_plugin
-    from sublime import status_message, error_message
-
-except ImportError:  # running tests
-    from .tests.sublime_fake import sublime
-    from .tests.sublime_fake import sublime_plugin
-
-    sys.modules['sublime'] = sublime
-    sys.modules['sublime_plugin'] = sublime_plugin
+import sublime
+import sublime_plugin
 
 
 def get_settings():