--- a/mozilla/config.py
+++ b/mozilla/config.py
@@ -923,17 +923,16 @@ PLATFORM_VARS = {
             'src_mozconfig': 'browser/config/mozconfigs/win32/nightly',
             'src_xulrunner_mozconfig': 'xulrunner/config/mozconfigs/win32/xulrunner',
             'profiled_build': False,
             'builds_before_reboot': localconfig.BUILDS_BEFORE_REBOOT,
             'build_space': 12,
             'upload_symbols': True,
             'download_symbols': True,
             'enable_installer': True,
-            'enable_post_linker_size': True,
             'packageTests': True,
             'slaves': SLAVES['win64-rev2'],
             'l10n_slaves': SLAVES['win64-rev2'],
             'platform_objdir': OBJDIR,
             'stage_product': 'firefox',
             'stage_platform': 'win32',
             'mochitest_leak_threshold': 484,
             'crashtest_leak_threshold': 484,