--- a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_stat_and_debug.py
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_stat_and_debug.py
@@ -81,9 +81,10 @@ config = {
         'pulseaudio-libs-devel', 'gstreamer-devel',
         'gstreamer-plugins-base-devel', 'freetype-2.3.11-6.el6_1.8.x86_64',
         'freetype-devel-2.3.11-6.el6_1.8.x86_64'
     ],
     'src_mozconfig': 'browser/config/mozconfigs/linux64/debug-static-analysis-clang',
     'tooltool_manifest_src': 'browser/config/tooltool-manifests/linux64/\
 clang.manifest.centos6',
     #######################
+    'artifact_flag_build_variant_in_try': None,
 }

--- a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_stat_and_opt.py
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_stat_and_opt.py
@@ -81,9 +81,10 @@ config = {
         'pulseaudio-libs-devel', 'gstreamer-devel',
         'gstreamer-plugins-base-devel', 'freetype-2.3.11-6.el6_1.8.x86_64',
         'freetype-devel-2.3.11-6.el6_1.8.x86_64'
     ],
     'src_mozconfig': 'browser/config/mozconfigs/linux64/opt-static-analysis-clang',
     'tooltool_manifest_src': 'browser/config/tooltool-manifests/linux64/\
 clang.manifest.centos6',
     #######################
+    'artifact_flag_build_variant_in_try': None,
 }

--- a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_valgrind.py
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_valgrind.py
@@ -42,9 +42,10 @@ releng.manifest",
         'LC_ALL': 'C',
         ## 64 bit specific
         'PATH': '/tools/buildbot/bin:/usr/local/bin:/usr/lib64/ccache:/bin:\
 /usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/tools/git/bin:/tools/python27/bin:\
 /tools/python27-mercurial/bin:/home/cltbld/bin',
     },
     'src_mozconfig': 'browser/config/mozconfigs/linux64/valgrind',
     #######################
+    'artifact_flag_build_variant_in_try': None,
 }