diff --git a/scripts/functional_tests.py b/scripts/functional_tests.py
index 70058585daa..9a50511f709 100644
--- a/scripts/functional_tests.py
+++ b/scripts/functional_tests.py
@@ -25,7 +25,6 @@ from galaxy.util.properties import load_app_properties
 from galaxy.web import buildapp
 
 default_galaxy_test_host = "localhost"
-default_galaxy_locales = 'en'
 default_galaxy_test_file_dir = "test-data,https://github.com/galaxyproject/galaxy-test-data.git"
 migrated_tool_panel_config = 'config/migrated_tools_conf.xml'
 installed_tool_panel_configs = [
@@ -93,14 +92,11 @@ def main():
     galaxy_test_port = os.environ.get( 'GALAXY_TEST_PORT', None )
     galaxy_test_save = os.environ.get( 'GALAXY_TEST_SAVE', None)
     tool_path = os.environ.get( 'GALAXY_TEST_TOOL_PATH', 'tools' )
-    if 'HTTP_ACCEPT_LANGUAGE' not in os.environ:
-        os.environ[ 'HTTP_ACCEPT_LANGUAGE' ] = default_galaxy_locales
     testing_migrated_tools = __check_arg( '-migrated' )
     testing_installed_tools = __check_arg( '-installed' )
     datatypes_conf_override = None
 
     framework_tool_dir = os.path.join('test', 'functional', 'tools')
-
     if testing_migrated_tools or testing_installed_tools:
         # Store a jsonified dictionary of tool_id : GALAXY_TEST_FILE_DIR pairs.
         galaxy_tool_shed_test_file = 'shed_tools_dict'
diff --git a/test/base/driver_util.py b/test/base/driver_util.py
index 51e2e3c41c9..dc126717060 100644
--- a/test/base/driver_util.py
+++ b/test/base/driver_util.py
@@ -25,6 +25,8 @@ from .instrument import StructuredTestDataPlugin
 
 galaxy_root = os.path.abspath(os.path.join(os.path.dirname(__file__), os.path.pardir, os.path.pardir))
 
+DEFAULT_LOCALES = "en"
+
 
 def setup_tool_shed_tmp_dir():
     tool_shed_test_tmp_dir = os.environ.get('TOOL_SHED_TEST_TMP_DIR', None)
@@ -40,6 +42,8 @@ def setup_tool_shed_tmp_dir():
 def configure_environment():
     """Hack up environment for test cases."""
     # no op remove if unused
+    if 'HTTP_ACCEPT_LANGUAGE' not in os.environ:
+        os.environ[ 'HTTP_ACCEPT_LANGUAGE' ] = DEFAULT_LOCALES
 
 
 def build_logger():
diff --git a/test/tool_shed/functional_tests.py b/test/tool_shed/functional_tests.py
index 31d4ae68fbb..32d4165c8b1 100644
--- a/test/tool_shed/functional_tests.py
+++ b/test/tool_shed/functional_tests.py
@@ -27,7 +27,6 @@ from galaxy.web import buildapp as galaxybuildapp
 from functional import database_contexts
 
 default_tool_shed_test_host = "localhost"
-default_tool_shed_locales = 'en'
 default_galaxy_test_host = 'localhost'
 
 # Use separate databases for Galaxy and tool shed install info by default,
@@ -75,8 +74,6 @@ def main():
     galaxy_test_host = os.environ.get( 'GALAXY_TEST_HOST', default_galaxy_test_host )
     galaxy_test_port = os.environ.get( 'GALAXY_TEST_PORT', None )
     tool_path = os.environ.get( 'TOOL_SHED_TEST_TOOL_PATH', 'tools' )
-    if 'HTTP_ACCEPT_LANGUAGE' not in os.environ:
-        os.environ[ 'HTTP_ACCEPT_LANGUAGE' ] = default_tool_shed_locales
     tool_shed_test_file_dir = os.environ.get( 'TOOL_SHED_TEST_FILE_DIR', default_tool_shed_test_file_dir )
     if not os.path.isabs( tool_shed_test_file_dir ):
         tool_shed_test_file_dir = tool_shed_test_file_dir