diff --git a/gramps/gen/const.py b/gramps/gen/const.py
index bc36ede90..6f0861ab3 100644
--- a/gramps/gen/const.py
+++ b/gramps/gen/const.py
@@ -80,17 +80,6 @@ APP_GRAMPS_PKG  = "application/x-gramps-package"
 APP_GENEWEB     = "application/x-geneweb"
 APP_VCARD       = ["text/x-vcard", "text/x-vcalendar"]
 
-#-------------------------------------------------------------------------
-#
-# Platforms
-# Never test on LINUX, handle Linux in the else statement as default
-#
-#-------------------------------------------------------------------------
-LINUX = ["Linux", "linux", "linux2"]
-MACOS = ["Darwin", "darwin"]
-WINDOWS = ["Windows", "win32"]
-
-
 #-------------------------------------------------------------------------
 #
 # Determine the home directory. According to Wikipedia, most UNIX like
@@ -176,7 +165,7 @@ WEBSTUFF_IMAGE_DIR = os.path.join(WEBSTUFF_DIR, "images")
 
 USE_TIPS = False
 
-if os.sys.platform in WINDOWS:
+if sys.platform == 'win32':
     USE_THUMBNAILER = False
 else:
     USE_THUMBNAILER = True
@@ -188,7 +177,6 @@ else:
 #-------------------------------------------------------------------------
 from gramps.gen.utils.resourcepath import ResourcePath
 _resources = ResourcePath()
-LOCALE_DIR = _resources.locale_dir
 DATA_DIR = _resources.data_dir
 IMAGE_DIR = _resources.image_dir
 
@@ -206,7 +194,7 @@ LICENSE_FILE = os.path.join(_resources.doc_dir, 'COPYING')
 #
 #-------------------------------------------------------------------------
 from gramps.gen.utils.grampslocale import GrampsLocale
-GRAMPS_LOCALE = GrampsLocale()
+GRAMPS_LOCALE = GrampsLocale(localedir=_resources.locale_dir)
 _ = GRAMPS_LOCALE.get_translation().sgettext
 
 #-------------------------------------------------------------------------
diff --git a/gramps/gen/constfunc.py b/gramps/gen/constfunc.py
index f4425ba15..08b851f05 100644
--- a/gramps/gen/constfunc.py
+++ b/gramps/gen/constfunc.py
@@ -37,10 +37,13 @@ import sys
 
 #-------------------------------------------------------------------------
 #
-# Gramps modules
+# Platforms
+# Never test on LINUX, handle Linux in the else statement as default
 #
 #-------------------------------------------------------------------------
-from .const import WINDOWS, MACOS, LINUX
+LINUX = ["Linux", "linux", "linux2"]
+MACOS = ["Darwin", "darwin"]
+WINDOWS = ["Windows", "win32"]
 
 #-------------------------------------------------------------------------
 #
diff --git a/gramps/gen/utils/grampslocale.py b/gramps/gen/utils/grampslocale.py
index a8a519ee4..bbf55ef19 100644
--- a/gramps/gen/utils/grampslocale.py
+++ b/gramps/gen/utils/grampslocale.py
@@ -50,7 +50,6 @@ except ImportError:
 # gramps modules
 #
 #-------------------------------------------------------------------------
-from ..const import LOCALE_DIR
 from ..constfunc import mac, win, UNITYPE
 
 #------------------------------------------------------------------------
@@ -114,7 +113,7 @@ class GrampsLocale(object):
                     except TypeError:
                         LOG.warning('Unable to determine your Locale, using English')
                         lang = 'C.UTF-8'
-            self.lang = lang
+        self.lang = lang
 
         if not language or len(language) == 0:
             if "LANGUAGE" in os.environ:
@@ -159,7 +158,7 @@ class GrampsLocale(object):
             LOG.warning("Localization library libintl not on %PATH%, localization will be incomplete")
 
 
-    def __init_first_instance(self, localedir=None, lang=None,
+    def __init_first_instance(self, localedir, lang=None,
                               domain=None, language=None):
 
 #First, globally set the locale to what's in the environment:
@@ -171,21 +170,13 @@ class GrampsLocale(object):
         if localedir and os.path.exists(localedir):
             self.localedir = localedir
         else:
-            if ("GRAMPSI18N" in os.environ
-                and os.path.exists(os.environ["GRAMPSI18N"])):
-                self.localedir = os.environ["GRAMPSI18N"]
-            elif os.path.exists(LOCALE_DIR):
-                self.localedir = LOCALE_DIR
-            elif os.path.exists(os.path.join(sys.prefix, "share", "locale")):
-                self.localedir = os.path.join(sys.prefix, "share", "locale")
+            if not lang:
+                lang = os.environ.get('LANG', 'en')
+            if lang and lang[:2] == 'en':
+                pass # No need to display warning, we're in English
             else:
-                if not lang:
-                    lang = os.environ.get('LANG', 'en')
-                if lang and lang[:2] == 'en':
-                    pass # No need to display warning, we're in English
-                else:
-                    LOG.warning('Locale dir does not exist at %s', LOCALE_DIR)
-                    LOG.warning('Running python setup.py install --prefix=YourPrefixDir might fix the problem')
+                LOG.warning('Locale dir does not exist at %s', localedir)
+                LOG.warning('Running python setup.py install --prefix=YourPrefixDir might fix the problem')
 
         if not self.localedir:
 #No localization files, no point in continuing
@@ -248,7 +239,7 @@ class GrampsLocale(object):
         self.initialized = True
 
 
-    def __init__(self, lang=None, localedir=None, domain=None, languages=None):
+    def __init__(self, localedir=None, lang=None, domain=None, languages=None):
         """
         Init a GrampsLocale. Run __init_first_instance() to set up the
         environement if this is the first run. Return __first_instance
@@ -256,7 +247,7 @@ class GrampsLocale(object):
         """
         if self == self._GrampsLocale__first_instance:
             if not self.initialized:
-                self._GrampsLocale__init_first_instance(lang, localedir,
+                self._GrampsLocale__init_first_instance(localedir, lang,
                                                         domain, languages)
             else:
                 return