diff --git a/scripts/lang_sync b/scripts/lang_sync
index 18ce81b..a10f5f3 100755
--- a/scripts/lang_sync
+++ b/scripts/lang_sync
@@ -176,8 +176,6 @@ def setup_auth():
     """
     Setup the authentication for connecting to Eints.
     """
-    global user_cfg
-
     user, passwd = None, None
 
     # Read the file if provided.
@@ -275,8 +273,6 @@ def build_url(suffix):
     @param suffix: Path to retrieve from, at L{UserConfig.base_url}
     @type  suffix: C{str}
     """
-    global user_cfg
-
     assert suffix[0] == "/"
     if user_cfg.base_url[-1] == "/":
         return user_cfg.base_url + suffix[1:]
@@ -420,7 +416,7 @@ def get_eints_languages():
     @return: Available language information for the project as returned by Eints.
     @rtype:  C{list} of L{EintsLanguageInfo}
     """
-    global user_cfg, eints_files_cache
+    global eints_files_cache
 
     if eints_files_cache is not None:
         return eints_files_cache
@@ -498,7 +494,7 @@ def get_local_languages():
     @return: Found language files.
     @rtype:  C{list} of L{LocalLanguageInfo}
     """
-    global user_cfg, local_files_cache
+    global local_files_cache
 
     if local_files_cache is not None:
         return local_files_cache
@@ -582,8 +578,6 @@ def perform_operation(op_type, lang_type, credits_handle):
     @param credits_handle: If available, output stream for writing credits of language file changes.
     @type  credits_handle: C{file} or C{None}
     """
-    global user_cfg
-
     if op_type == "create":
         assert lang_type == "project"
         # Project creation operation.
@@ -639,8 +633,6 @@ def perform_create_project():
     """
     Create a new project in Eints.
     """
-    global user_cfg
-
     assert user_cfg.project_desc is not None
 
     if user_cfg.project_type not in KNOWN_PROJECT_TYPES:
diff --git a/webtranslate/rights.py b/webtranslate/rights.py
index 2ae62bb..cca94b7 100644
--- a/webtranslate/rights.py
+++ b/webtranslate/rights.py
@@ -118,8 +118,6 @@ def has_access(page, roles):
     @return: Whether access is granted.
     @rtype:  C{bool}
     """
-    global _table
-
     if "USER" not in roles:
         roles = set(["SOMEONE"])
 
diff --git a/webtranslate/users/development.py b/webtranslate/users/development.py
index 7227a7e..54d554d 100644
--- a/webtranslate/users/development.py
+++ b/webtranslate/users/development.py
@@ -62,8 +62,6 @@ def authenticate(user, pwd):
     @return: Whether the combination is valid (C{True} means 'valid').
     @rtype:  C{bool}
     """
-    global _users
-
     if len(pwd) == 0:
         return False
     return (user, pwd) in _users
diff --git a/webtranslate/users/ldap.py b/webtranslate/users/ldap.py
index 51179e7..01cf3f6 100644
--- a/webtranslate/users/ldap.py
+++ b/webtranslate/users/ldap.py
@@ -63,7 +63,7 @@ def init():
     """
     Initialize the user admin system.
     """
-    global server, ldap_host
+    global server
     import ldap3
 
     rights.init_page_access()
@@ -89,7 +89,6 @@ def get_authentication(user, pwd):
     # Note that failure to authenticate is not fatal, it falls back to an 'unknown' user.
     groups = set()
     if user is not None and user != "" and pwd is not None and pwd != "":
-        global server, ldap_basedn_users, ldap_basedn_groups
         import ldap3
 
         try:
diff --git a/webtranslate/users/redmine.py b/webtranslate/users/redmine.py
index 34cb9d6..efc8f94 100644
--- a/webtranslate/users/redmine.py
+++ b/webtranslate/users/redmine.py
@@ -75,7 +75,7 @@ def connect():
     @return: Whether we are connected (not 100% certain).
     @rtype:  C{bool}
     """
-    global db_type, db_schema, db_name, db_password, db_user, db_host, db_port, db_connection
+    global db_connection
 
     if db_connection is not None:
         return True  # Already connected.
@@ -142,7 +142,7 @@ def _do_command(cmd, parms):
     @return: Cursor with the result, if all went well, else C{None}
     @rtype:  db cursor, or C{None}
     """
-    global db_type, db_schema, db_name, db_password, db_user, db_host, db_port, db_connection
+    global db_connection
 
     if db_type == "postgress":
         import psycopg2
@@ -176,8 +176,6 @@ def query(cmd, parms):
     @return: Cursor with the result, if all went well, else C{None}
     @rtype:  db cursor, or C{None}
     """
-    global db_type, db_schema, db_name, db_password, db_user, db_host, db_port, db_connection
-
     count = 0
     while count < 3:
         # Connect if not connected.
@@ -225,9 +223,6 @@ def get_authentication(user, pwd):
     @return: UserAuthentication object to test accesses with.
     @rtype: C{UserAuthentication}
     """
-    global db_type, db_schema, db_name, db_password, db_user, db_host, db_port, db_connection
-    global owner_role, translator_roles
-
     # Verify user.
     # Note that failure to authenticate is not fatal, it falls back to an 'unknown' user.
     if user is not None and user != "" and pwd is not None: