diff --git a/plaso/lib/timelib.py b/plaso/lib/timelib.py
index deaec4418e..3c351be6c4 100644
--- a/plaso/lib/timelib.py
+++ b/plaso/lib/timelib.py
@@ -19,21 +19,6 @@
 # pylint: disable=missing-type-doc,missing-return-type-doc
 
 
-MONTH_DICT = {
-    'jan': 1,
-    'feb': 2,
-    'mar': 3,
-    'apr': 4,
-    'may': 5,
-    'jun': 6,
-    'jul': 7,
-    'aug': 8,
-    'sep': 9,
-    'oct': 10,
-    'nov': 11,
-    'dec': 12}
-
-
 class Timestamp(object):
   """Class for converting timestamps to Plaso timestamps.
 
diff --git a/plaso/parsers/apache_access.py b/plaso/parsers/apache_access.py
index b5de050d64..c6d6c2dc8a 100644
--- a/plaso/parsers/apache_access.py
+++ b/plaso/parsers/apache_access.py
@@ -12,7 +12,6 @@
 from plaso.containers import time_events
 from plaso.lib import errors
 from plaso.lib import definitions
-from plaso.lib import timelib
 from plaso.parsers import manager
 from plaso.parsers import text_parser
 
@@ -182,7 +181,7 @@ def _GetISO8601String(self, structure):
     month = self._GetValueFromStructure(structure, 'month')
 
     try:
-      month = timelib.MONTH_DICT.get(month.lower(), 0)
+      month = self._MONTH_DICT.get(month.lower(), 0)
     except AttributeError as exception:
       raise ValueError('unable to parse month with error: {0!s}.'.format(
           exception))
diff --git a/plaso/parsers/mac_appfirewall.py b/plaso/parsers/mac_appfirewall.py
index 09e14d1671..1e07fe53ff 100644
--- a/plaso/parsers/mac_appfirewall.py
+++ b/plaso/parsers/mac_appfirewall.py
@@ -9,7 +9,6 @@
 from plaso.containers import time_events
 from plaso.lib import errors
 from plaso.lib import definitions
-from plaso.lib import timelib
 from plaso.parsers import logger
 from plaso.parsers import manager
 from plaso.parsers import text_parser
@@ -109,7 +108,7 @@ def _GetTimeElementsTuple(self, structure):
 
     # Note that dfdatetime_time_elements.TimeElements will raise ValueError
     # for an invalid month.
-    month = timelib.MONTH_DICT.get(month.lower(), 0)
+    month = self._MONTH_DICT.get(month.lower(), 0)
 
     if month != 0 and month < self._last_month:
       # Gap detected between years.
diff --git a/plaso/parsers/mac_securityd.py b/plaso/parsers/mac_securityd.py
index b3d1b354b6..10a0fb1b1a 100644
--- a/plaso/parsers/mac_securityd.py
+++ b/plaso/parsers/mac_securityd.py
@@ -13,7 +13,6 @@
 from plaso.containers import time_events
 from plaso.lib import errors
 from plaso.lib import definitions
-from plaso.lib import timelib
 from plaso.parsers import logger
 from plaso.parsers import manager
 from plaso.parsers import text_parser
@@ -118,7 +117,7 @@ def _GetTimeElementsTuple(self, structure):
 
     # Note that dfdatetime_time_elements.TimeElements will raise ValueError
     # for an invalid month.
-    month = timelib.MONTH_DICT.get(month.lower(), 0)
+    month = self._MONTH_DICT.get(month.lower(), 0)
 
     if month != 0 and month < self._last_month:
       # Gap detected between years.
diff --git a/plaso/parsers/mac_wifi.py b/plaso/parsers/mac_wifi.py
index 8a59815a3e..b20e4add06 100644
--- a/plaso/parsers/mac_wifi.py
+++ b/plaso/parsers/mac_wifi.py
@@ -11,7 +11,6 @@
 from plaso.containers import time_events
 from plaso.lib import errors
 from plaso.lib import definitions
-from plaso.lib import timelib
 from plaso.parsers import logger
 from plaso.parsers import manager
 from plaso.parsers import text_parser
@@ -195,7 +194,7 @@ def _GetTimeElementsTuple(self, key, structure):
 
     # Note that dfdatetime_time_elements.TimeElements will raise ValueError
     # for an invalid month.
-    month = timelib.MONTH_DICT.get(month.lower(), 0)
+    month = self._MONTH_DICT.get(month.lower(), 0)
 
     if month != 0 and month < self._last_month:
       # Gap detected between years.
diff --git a/plaso/parsers/syslog.py b/plaso/parsers/syslog.py
index a75ad1ea30..cc99e5b751 100644
--- a/plaso/parsers/syslog.py
+++ b/plaso/parsers/syslog.py
@@ -15,7 +15,6 @@
 from plaso.containers import time_events
 from plaso.lib import errors
 from plaso.lib import definitions
-from plaso.lib import timelib
 from plaso.parsers import logger
 from plaso.parsers import manager
 from plaso.parsers import text_parser
@@ -321,7 +320,7 @@ def ParseRecord(self, parser_mediator, key, structure):
 
       month = self._GetValueFromStructure(structure, 'month')
       try:
-        month = timelib.MONTH_DICT.get(month.lower(), 0)
+        month = self._MONTH_DICT.get(month.lower(), 0)
       except AttributeError:
         parser_mediator.ProduceExtractionWarning(
             'invalid month value: {0!s}'.format(month))
diff --git a/plaso/parsers/text_parser.py b/plaso/parsers/text_parser.py
index 8f06c1e7e9..807778718b 100644
--- a/plaso/parsers/text_parser.py
+++ b/plaso/parsers/text_parser.py
@@ -171,6 +171,20 @@ class PyparsingSingleLineTextParser(interface.FileObjectParser):
   # Allow for a maximum of 40 empty lines before we bail out.
   _MAXIMUM_DEPTH = 40
 
+  _MONTH_DICT = {
+      'jan': 1,
+      'feb': 2,
+      'mar': 3,
+      'apr': 4,
+      'may': 5,
+      'jun': 6,
+      'jul': 7,
+      'aug': 8,
+      'sep': 9,
+      'oct': 10,
+      'nov': 11,
+      'dec': 12}
+
   def __init__(self):
     """Initializes a parser."""
     super(PyparsingSingleLineTextParser, self).__init__()
diff --git a/plaso/parsers/vsftpd.py b/plaso/parsers/vsftpd.py
index 8353f9af88..9a8a1aa57e 100644
--- a/plaso/parsers/vsftpd.py
+++ b/plaso/parsers/vsftpd.py
@@ -8,7 +8,6 @@
 from plaso.containers import time_events
 from plaso.lib import errors
 from plaso.lib import definitions
-from plaso.lib import timelib
 from plaso.parsers import logger
 from plaso.parsers import text_parser
 from plaso.parsers import manager
@@ -76,7 +75,7 @@ def _GetTimeElementsTuple(self, structure):
     """
     time_elements_tuple = self._GetValueFromStructure(structure, 'date_time')
     _, month, day_of_month, hours, minutes, seconds, year = time_elements_tuple
-    month = timelib.MONTH_DICT.get(month.lower(), 0)
+    month = self._MONTH_DICT.get(month.lower(), 0)
     return (year, month, day_of_month, hours, minutes, seconds)
 
 
diff --git a/plaso/parsers/xchatlog.py b/plaso/parsers/xchatlog.py
index a4f1ab6c21..20f0f0b593 100644
--- a/plaso/parsers/xchatlog.py
+++ b/plaso/parsers/xchatlog.py
@@ -60,7 +60,6 @@
 from plaso.containers import time_events
 from plaso.lib import errors
 from plaso.lib import definitions
-from plaso.lib import timelib
 from plaso.parsers import logger
 from plaso.parsers import manager
 from plaso.parsers import text_parser
@@ -169,7 +168,7 @@ def _GetTimeElementsTuple(self, structure):
     # TODO: what if time_elements_tuple is None.
     month, day, hours, minutes, seconds = time_elements_tuple
 
-    month = timelib.MONTH_DICT.get(month.lower(), 0)
+    month = self._MONTH_DICT.get(month.lower(), 0)
 
     if month != 0 and month < self._last_month:
       # Gap detected between years.
@@ -190,7 +189,7 @@ def _ParseHeader(self, parser_mediator, structure):
     # TODO: what if time_elements_tuple is None.
     _, month, day, hours, minutes, seconds, year = time_elements_tuple
 
-    month = timelib.MONTH_DICT.get(month.lower(), 0)
+    month = self._MONTH_DICT.get(month.lower(), 0)
 
     time_elements_tuple = (year, month, day, hours, minutes, seconds)
 
@@ -323,7 +322,7 @@ def VerifyStructure(self, parser_mediator, line):
           time_elements_tuple))
       return False
 
-    month = timelib.MONTH_DICT.get(month.lower(), 0)
+    month = self._MONTH_DICT.get(month.lower(), 0)
 
     time_elements_tuple = (year, month, day, hours, minutes, seconds)
 
diff --git a/tests/lib/timelib.py b/tests/lib/timelib.py
index 7fdb1fc106..7ae587409d 100644
--- a/tests/lib/timelib.py
+++ b/tests/lib/timelib.py
@@ -24,15 +24,6 @@ def testCopyToIsoFormat(self):
         timestamp, timezone=timezone)
     self.assertEqual(date_time_string, '2013-03-14T21:20:08.850041+01:00')
 
-  def testMonthDict(self):
-    """Test the month dict, both inside and outside of scope."""
-    self.assertEqual(timelib.MONTH_DICT['nov'], 11)
-    self.assertEqual(timelib.MONTH_DICT['jan'], 1)
-    self.assertEqual(timelib.MONTH_DICT['may'], 5)
-
-    month = timelib.MONTH_DICT.get('doesnotexist')
-    self.assertIsNone(month)
-
   def testLocaltimeToUTC(self):
     """Test the localtime to UTC conversion."""
     timezone = pytz.timezone('CET')