--- a/build/macosx/local-mozconfig.common
+++ b/build/macosx/local-mozconfig.common
@@ -1,15 +1,14 @@
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 if [ "x$IS_NIGHTLY" = "xyes" ]; then
   # Some nightlies (eg: Mulet) don't want these set.
-  MOZ_AUTOMATION_UPLOAD_SYMBOLS=${MOZ_AUTOMATION_UPLOAD_SYMBOLS-1}
   MOZ_AUTOMATION_UPDATE_PACKAGING=${MOZ_AUTOMATION_UPDATE_PACKAGING-1}
 fi
 . "$topsrcdir/build/mozconfig.common"
 
 if [ -d $TOOLTOOL_DIR/clang ]; then
     true
 elif [ -d "$topsrcdir/clang" ]; then
     # mozilla-central based build

--- a/build/mozconfig.automation
+++ b/build/mozconfig.automation
@@ -12,11 +12,10 @@
 mk_add_options "export MOZ_AUTOMATION_BUILD_SYMBOLS=${MOZ_AUTOMATION_BUILD_SYMBOLS-1}"
 mk_add_options "export MOZ_AUTOMATION_L10N_CHECK=${MOZ_AUTOMATION_L10N_CHECK-1}"
 mk_add_options "export MOZ_AUTOMATION_PACKAGE=${MOZ_AUTOMATION_PACKAGE-1}"
 mk_add_options "export MOZ_AUTOMATION_PACKAGE_TESTS=${MOZ_AUTOMATION_PACKAGE_TESTS-1}"
 mk_add_options "export MOZ_AUTOMATION_INSTALLER=${MOZ_AUTOMATION_INSTALLER-0}"
 mk_add_options "export MOZ_AUTOMATION_UPDATE_PACKAGING=${MOZ_AUTOMATION_UPDATE_PACKAGING-0}"
 mk_add_options "export MOZ_AUTOMATION_PACKAGE_GENERATED_SOURCES=${MOZ_AUTOMATION_PACKAGE_GENERATED_SOURCES-1}"
 mk_add_options "export MOZ_AUTOMATION_UPLOAD=${MOZ_AUTOMATION_UPLOAD-1}"
-mk_add_options "export MOZ_AUTOMATION_UPLOAD_SYMBOLS=${MOZ_AUTOMATION_UPLOAD_SYMBOLS-0}"
 
 export MOZ_AUTOMATION_MOZCONFIG=1

--- a/build/mozconfig.win-common
+++ b/build/mozconfig.win-common
@@ -1,15 +1,14 @@
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 if [ "x$IS_NIGHTLY" = "xyes" ]; then
   # Some nightlies (eg: Mulet) don't want these set.
-  MOZ_AUTOMATION_UPLOAD_SYMBOLS=${MOZ_AUTOMATION_UPLOAD_SYMBOLS-1}
   MOZ_AUTOMATION_UPDATE_PACKAGING=${MOZ_AUTOMATION_UPDATE_PACKAGING-1}
 fi
 
 # Some builds (eg: Mulet) don't want the installer, so only set this if it
 # hasn't already been set.
 MOZ_AUTOMATION_INSTALLER=${MOZ_AUTOMATION_INSTALLER-1}
 
 export SOCORRO_SYMBOL_UPLOAD_TOKEN_FILE=c:/builds/crash-stats-api.token

--- a/build/unix/mozconfig.linux
+++ b/build/unix/mozconfig.linux
@@ -1,11 +1,10 @@
 if [ "x$IS_NIGHTLY" = "xyes" ]; then
   # Some nightlies (eg: Mulet) don't want these set.
-  MOZ_AUTOMATION_UPLOAD_SYMBOLS=${MOZ_AUTOMATION_UPLOAD_SYMBOLS-1}
   MOZ_AUTOMATION_UPDATE_PACKAGING=${MOZ_AUTOMATION_UPDATE_PACKAGING-1}
 fi
 
 . "$topsrcdir/build/mozconfig.common"
 
 TOOLTOOL_DIR=${TOOLTOOL_DIR:-$topsrcdir}
 
 # some b2g desktop builds still happen on i686 machines, and the tooltool