--- a/mozilla/config.py
+++ b/mozilla/config.py
@@ -2461,17 +2461,16 @@ BRANCHES['mozilla-central']['start_minut
 BRANCHES['mozilla-central']['pgo_strategy'] = 'periodic'
 BRANCHES['mozilla-central']['periodic_start_hours'] = range(1, 24, 3)
 BRANCHES['mozilla-central']['periodic_start_minute'] = 30
 # Enable unit tests
 BRANCHES['mozilla-central']['enable_mac_a11y'] = True
 BRANCHES['mozilla-central']['unittest_build_space'] = 6
 # L10n configuration
 BRANCHES['mozilla-central']['enable_l10n'] = True
-BRANCHES['mozilla-central']['enable_l10n_onchange'] = False
 BRANCHES['mozilla-central']['l10nNightlyUpdate'] = True
 BRANCHES['mozilla-central']['l10n_platforms'] = ['linux', 'linux64', 'win32',
                                                  'macosx64', 'win64']
 BRANCHES['mozilla-central']['l10nDatedDirs'] = True
 BRANCHES['mozilla-central']['l10n_tree'] = 'fxcentral'
 # make sure it has an ending slash
 BRANCHES['mozilla-central']['l10nUploadPath'] = \
     '/home/ftp/pub/mozilla.org/firefox/nightly/latest-mozilla-central-l10n/'
@@ -2513,17 +2512,16 @@ BRANCHES['mozilla-release']['l10n_repo_p
 BRANCHES['mozilla-release']['start_hour'] = [3]
 BRANCHES['mozilla-release']['start_minute'] = [2]
 # Enable PGO Builds on this branch
 BRANCHES['mozilla-release']['pgo_strategy'] = 'per-checkin'
 # Enable unit tests
 BRANCHES['mozilla-release']['enable_mac_a11y'] = True
 # L10n configuration
 BRANCHES['mozilla-release']['enable_l10n'] = False
-BRANCHES['mozilla-release']['enable_l10n_onchange'] = False
 BRANCHES['mozilla-release']['l10nNightlyUpdate'] = False
 BRANCHES['mozilla-release']['l10n_platforms'] = ['linux', 'linux64', 'win32',
                                                  'macosx64']
 BRANCHES['mozilla-release']['l10nDatedDirs'] = True
 BRANCHES['mozilla-release']['l10n_tree'] = 'fxrel'
 BRANCHES['mozilla-release']['enUS_binaryURL'] = \
     GLOBAL_VARS['download_base_url'] + '/nightly/latest-mozilla-release'
 BRANCHES['mozilla-release']['localesURL'] = \
@@ -2612,17 +2610,16 @@ BRANCHES['mozilla-beta']['start_hour'] =
 BRANCHES['mozilla-beta']['start_minute'] = [2]
 # Enable PGO Builds on this branch
 BRANCHES['mozilla-beta']['pgo_strategy'] = 'per-checkin'
 # Enable unit tests
 BRANCHES['mozilla-beta']['enable_mac_a11y'] = True
 BRANCHES['mozilla-beta']['unittest_build_space'] = 6
 # L10n configuration
 BRANCHES['mozilla-beta']['enable_l10n'] = False
-BRANCHES['mozilla-beta']['enable_l10n_onchange'] = False
 BRANCHES['mozilla-beta']['l10nNightlyUpdate'] = False
 BRANCHES['mozilla-beta']['l10n_platforms'] = ['linux', 'linux64', 'win32',
                                               'macosx64']
 BRANCHES['mozilla-beta']['l10nDatedDirs'] = True
 BRANCHES['mozilla-beta']['l10n_tree'] = 'fxbeta'
 #make sure it has an ending slash
 BRANCHES['mozilla-beta']['l10nUploadPath'] = \
     '/home/ftp/pub/mozilla.org/firefox/nightly/latest-mozilla-beta-l10n/'
@@ -2721,17 +2718,16 @@ BRANCHES['mozilla-aurora']['periodic_sta
 BRANCHES['mozilla-aurora']['periodic_start_minute'] = 30
 # Enable PGO Builds on this branch
 BRANCHES['mozilla-aurora']['pgo_strategy'] = 'per-checkin'
 # Enable unit tests
 BRANCHES['mozilla-aurora']['enable_mac_a11y'] = True
 BRANCHES['mozilla-aurora']['unittest_build_space'] = 6
 # L10n configuration
 BRANCHES['mozilla-aurora']['enable_l10n'] = True
-BRANCHES['mozilla-aurora']['enable_l10n_onchange'] = False
 BRANCHES['mozilla-aurora']['l10nNightlyUpdate'] = True
 BRANCHES['mozilla-aurora']['l10n_platforms'] = ['linux', 'linux64', 'win32',
                                                  'macosx64', 'win64']
 BRANCHES['mozilla-aurora']['l10nDatedDirs'] = True
 BRANCHES['mozilla-aurora']['l10n_tree'] = 'fxaurora'
 #make sure it has an ending slash
 BRANCHES['mozilla-aurora']['l10nUploadPath'] = \
     '/home/ftp/pub/mozilla.org/firefox/nightly/latest-mozilla-aurora-l10n/'
@@ -2772,17 +2768,16 @@ BRANCHES['mozilla-esr38']['update_channe
 BRANCHES['mozilla-esr38']['l10n_repo_path'] = 'releases/l10n/mozilla-release'
 BRANCHES['mozilla-esr38']['start_hour'] = [0]
 BRANCHES['mozilla-esr38']['start_minute'] = [15]
 BRANCHES['mozilla-esr38']['pgo_strategy'] = 'per-checkin'
 BRANCHES['mozilla-esr38']['enable_mac_a11y'] = True
 BRANCHES['mozilla-esr38']['unittest_build_space'] = 6
 # L10n configuration
 BRANCHES['mozilla-esr38']['enable_l10n'] = False
-BRANCHES['mozilla-esr38']['enable_l10n_onchange'] = False
 BRANCHES['mozilla-esr38']['l10nNightlyUpdate'] = False
 BRANCHES['mozilla-esr38']['l10n_platforms'] = ['linux', 'linux64', 'win32', 'macosx64']
 BRANCHES['mozilla-esr38']['l10nDatedDirs'] = True
 BRANCHES['mozilla-esr38']['l10n_tree'] = 'fxesr38'
 BRANCHES['mozilla-esr38']['enUS_binaryURL'] = \
     GLOBAL_VARS['download_base_url'] + '/nightly/latest-mozilla-esr38'
 BRANCHES['mozilla-esr38']['enable_nightly'] = True
 BRANCHES['mozilla-esr38']['enable_nightly_everytime'] = False
@@ -2800,17 +2795,16 @@ BRANCHES['mozilla-esr45']['l10n_repo_pat
 BRANCHES['mozilla-esr45']['start_hour'] = [0]
 BRANCHES['mozilla-esr45']['start_minute'] = [15]
 BRANCHES['mozilla-esr45']['pgo_strategy'] = 'per-checkin'
 BRANCHES['mozilla-esr45']['enable_mac_a11y'] = True
 BRANCHES['mozilla-esr45']['unittest_build_space'] = 6
 BRANCHES['mozilla-esr45']['platforms']['macosx64']['platform_objdir'] = "%s/x86_64" % OBJDIR
 # L10n configuration
 BRANCHES['mozilla-esr45']['enable_l10n'] = False
-BRANCHES['mozilla-esr45']['enable_l10n_onchange'] = False
 BRANCHES['mozilla-esr45']['l10nNightlyUpdate'] = False
 BRANCHES['mozilla-esr45']['l10n_platforms'] = ['linux', 'linux64', 'win32', 'macosx64', 'win64']
 BRANCHES['mozilla-esr45']['l10nDatedDirs'] = True
 BRANCHES['mozilla-esr45']['l10n_tree'] = 'fxesr45'
 BRANCHES['mozilla-esr45']['enUS_binaryURL'] = \
     GLOBAL_VARS['download_base_url'] + '/nightly/latest-mozilla-esr45'
 BRANCHES['mozilla-esr45']['enable_nightly'] = True
 BRANCHES['mozilla-esr45']['enable_nightly_everytime'] = False
@@ -2828,17 +2822,16 @@ BRANCHES['mozilla-b2g44_v2_5']['l10n_rep
 BRANCHES['mozilla-b2g44_v2_5']['enable_perproduct_builds'] = True
 BRANCHES['mozilla-b2g44_v2_5']['start_hour'] = [3]
 BRANCHES['mozilla-b2g44_v2_5']['start_minute'] = [45]
 BRANCHES['mozilla-b2g44_v2_5']['pgo_platforms'] = []
 BRANCHES['mozilla-b2g44_v2_5']['enable_mac_a11y'] = True
 BRANCHES['mozilla-b2g44_v2_5']['unittest_build_space'] = 6
 # L10n configuration
 BRANCHES['mozilla-b2g44_v2_5']['enable_l10n'] = False
-BRANCHES['mozilla-b2g44_v2_5']['enable_l10n_onchange'] = False
 BRANCHES['mozilla-b2g44_v2_5']['l10nNightlyUpdate'] = False
 BRANCHES['mozilla-b2g44_v2_5']['l10n_platforms'] = ['linux', 'linux64',
                                                     'win32', 'macosx64']
 BRANCHES['mozilla-b2g44_v2_5']['l10nDatedDirs'] = True
 BRANCHES['mozilla-b2g44_v2_5']['enUS_binaryURL'] = \
     GLOBAL_VARS['download_base_url'] + '/nightly/latest-mozilla-b2g44_v2_5'
 BRANCHES['mozilla-b2g44_v2_5']['enable_nightly'] = False
 BRANCHES['mozilla-b2g44_v2_5']['create_partial'] = False
@@ -2870,17 +2863,16 @@ BRANCHES['try']['start_minute'] = [2]
 # Disable Nightly builds
 BRANCHES['try']['enable_nightly'] = False
 BRANCHES['try']['enable_mac_a11y'] = True
 BRANCHES['try']['enable_l10n'] = True
 BRANCHES['try']['desktop_mozharness_repacks_enabled'] = True
 BRANCHES['try']['l10n_platforms'] = ['linux', 'linux64', 'win32', 'macosx64',
                                      'win64']
 BRANCHES['try']['enable_l10n_dep_scheduler'] = False
-BRANCHES['try']['enable_l10n_onchange'] = False
 BRANCHES['try']['l10nNightlyUpdate'] = False
 BRANCHES['try']['l10nDatedDirs'] = False
 # need this or the master.cfg will bail
 BRANCHES['try']['platforms']['linux']['slaves'] = TRY_SLAVES['mock']
 BRANCHES['try']['platforms']['linux64']['slaves'] = TRY_SLAVES['mock']
 BRANCHES['try']['platforms']['win32']['slaves'] = TRY_SLAVES['win64-rev2']
 BRANCHES['try']['platforms']['win64']['slaves'] = TRY_SLAVES['win64-rev2']
 BRANCHES['try']['platforms']['win64-debug']['slaves'] = TRY_SLAVES['win64-rev2']

--- a/mozilla/thunderbird_config.py
+++ b/mozilla/thunderbird_config.py
@@ -721,17 +721,16 @@ BRANCHES['comm-central']['repo_path'] = 
 BRANCHES['comm-central']['l10n_repo_path'] = 'l10n-central'
 BRANCHES['comm-central']['start_hour'] = [3]
 BRANCHES['comm-central']['start_minute'] = [2]
 # Enable unit tests
 BRANCHES['comm-central']['enable_mac_a11y'] = True
 BRANCHES['comm-central']['unittest_build_space'] = 6
 # L10n configuration
 BRANCHES['comm-central']['enable_l10n'] = True
-BRANCHES['comm-central']['enable_l10n_onchange'] = False
 BRANCHES['comm-central']['l10nNightlyUpdate'] = True
 BRANCHES['comm-central']['l10n_platforms'] = ['linux', 'linux64', 'win32',
                                               'macosx64']
 BRANCHES['comm-central']['l10nDatedDirs'] = True
 BRANCHES['comm-central']['l10n_tree'] = 'tbcentral'
 #make sure it has an ending slash
 BRANCHES['comm-central']['l10nUploadPath'] = \
     '/home/ftp/pub/mozilla.org/thunderbird/nightly/latest-comm-central-l10n/'
@@ -763,17 +762,16 @@ BRANCHES['comm-esr38']['call_client_py']
 BRANCHES['comm-esr38']['l10n_repo_path'] = 'releases/l10n/mozilla-release'
 BRANCHES['comm-esr38']['start_hour'] = [3]
 BRANCHES['comm-esr38']['start_minute'] = [2]
 # Enable unit tests
 BRANCHES['comm-esr38']['enable_mac_a11y'] = True
 BRANCHES['comm-esr38']['unittest_build_space'] = 6
 # L10n configuration
 BRANCHES['comm-esr38']['enable_l10n'] = False
-BRANCHES['comm-esr38']['enable_l10n_onchange'] = False
 BRANCHES['comm-esr38']['l10nNightlyUpdate'] = False
 BRANCHES['comm-esr38']['l10n_platforms'] = ['linux', 'linux64', 'win32',
                                             'macosx64']
 BRANCHES['comm-esr38']['l10nDatedDirs'] = True
 BRANCHES['comm-esr38']['l10n_tree'] = 'tbrel'
 BRANCHES['comm-esr38']['enUS_binaryURL'] = \
     GLOBAL_VARS['download_base_url'] + '/nightly/latest-comm-esr38'
 BRANCHES['comm-esr38']['localesURL'] = \
@@ -794,17 +792,16 @@ BRANCHES['comm-esr45']['call_client_py']
 BRANCHES['comm-esr45']['l10n_repo_path'] = 'releases/l10n/mozilla-release'
 BRANCHES['comm-esr45']['start_hour'] = [3]
 BRANCHES['comm-esr45']['start_minute'] = [2]
 # Enable unit tests
 BRANCHES['comm-esr45']['enable_mac_a11y'] = True
 BRANCHES['comm-esr45']['unittest_build_space'] = 6
 # L10n configuration
 BRANCHES['comm-esr45']['enable_l10n'] = False
-BRANCHES['comm-esr45']['enable_l10n_onchange'] = False
 BRANCHES['comm-esr45']['l10nNightlyUpdate'] = False
 BRANCHES['comm-esr45']['l10n_platforms'] = ['linux', 'linux64', 'win32',
                                             'macosx64']
 BRANCHES['comm-esr45']['l10nDatedDirs'] = True
 BRANCHES['comm-esr45']['l10n_tree'] = 'tbrel'
 BRANCHES['comm-esr45']['enUS_binaryURL'] = \
     GLOBAL_VARS['download_base_url'] + '/nightly/latest-comm-esr45'
 BRANCHES['comm-esr45']['localesURL'] = \
@@ -825,17 +822,16 @@ BRANCHES['comm-beta']['l10n_repo_path'] 
 BRANCHES['comm-beta']['update_channel'] = 'beta'
 BRANCHES['comm-beta']['start_hour'] = [3]
 BRANCHES['comm-beta']['start_minute'] = [2]
 # Enable unit tests
 BRANCHES['comm-beta']['enable_mac_a11y'] = True
 BRANCHES['comm-beta']['unittest_build_space'] = 6
 # L10n configuration
 BRANCHES['comm-beta']['enable_l10n'] = False
-BRANCHES['comm-beta']['enable_l10n_onchange'] = False
 BRANCHES['comm-beta']['l10nNightlyUpdate'] = False
 BRANCHES['comm-beta']['l10n_platforms'] = ['linux', 'linux64', 'win32',
                                            'macosx64']
 BRANCHES['comm-beta']['l10nDatedDirs'] = True
 BRANCHES['comm-beta']['l10n_tree'] = 'tbbeta'
 #make sure it has an ending slash
 BRANCHES['comm-beta']['l10nUploadPath'] = \
     '/home/ftp/pub/mozilla.org/thunderbird/nightly/latest-comm-beta-l10n/'
@@ -860,17 +856,16 @@ BRANCHES['comm-aurora']['repo_path'] = '
 BRANCHES['comm-aurora']['l10n_repo_path'] = 'releases/l10n/mozilla-aurora'
 BRANCHES['comm-aurora']['start_hour'] = [0]
 BRANCHES['comm-aurora']['start_minute'] = [40]
 # Enable unit tests
 BRANCHES['comm-aurora']['enable_mac_a11y'] = True
 BRANCHES['comm-aurora']['unittest_build_space'] = 6
 # L10n configuration
 BRANCHES['comm-aurora']['enable_l10n'] = True
-BRANCHES['comm-aurora']['enable_l10n_onchange'] = False
 BRANCHES['comm-aurora']['l10nNightlyUpdate'] = True
 BRANCHES['comm-aurora']['l10n_platforms'] = ['linux', 'linux64', 'win32',
                                              'macosx64']
 BRANCHES['comm-aurora']['l10nDatedDirs'] = True
 BRANCHES['comm-aurora']['l10n_tree'] = 'tbaurora'
 #make sure it has an ending slash
 BRANCHES['comm-aurora']['l10nUploadPath'] = \
     '/home/ftp/pub/mozilla.org/thunderbird/nightly/latest-comm-aurora-l10n/'
@@ -908,17 +903,16 @@ BRANCHES['try-comm-central']['package_di
 BRANCHES['try-comm-central']['repo_path'] = 'try-comm-central'
 BRANCHES['try-comm-central']['start_hour'] = [3]
 BRANCHES['try-comm-central']['start_minute'] = [2]
 # Disable Nightly builds
 BRANCHES['try-comm-central']['enable_nightly'] = False
 BRANCHES['try-comm-central']['enable_mac_a11y'] = True
 # only do unittests locally until they are switched over to talos-r3
 BRANCHES['try-comm-central']['enable_l10n'] = False
-BRANCHES['try-comm-central']['enable_l10n_onchange'] = False
 BRANCHES['try-comm-central']['l10nNightlyUpdate'] = False
 BRANCHES['try-comm-central']['l10nDatedDirs'] = False
 # need this or the master.cfg will bail
 BRANCHES['try-comm-central']['platforms']['linux']['slaves'] = TRY_SLAVES['mock']
 BRANCHES['try-comm-central']['platforms']['linux64']['slaves'] = TRY_SLAVES['mock']
 BRANCHES['try-comm-central']['platforms']['win32']['slaves'] = TRY_SLAVES['win64-rev2']
 BRANCHES['try-comm-central']['platforms']['macosx64']['slaves'] = TRY_SLAVES['macosx64-lion']
 BRANCHES['try-comm-central']['platforms']['linux-debug']['slaves'] = TRY_SLAVES['mock']