--- a/build/sccache.mk
+++ b/build/sccache.mk
@@ -1,19 +1,12 @@
 # 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/.
 
-ifdef OBJDIR
-BASE_DIR = $(OBJDIR)
-else
-# OSX Universal builds only do upload in the first MOZ_BUILD_PROJECTS
-BASE_DIR = $(MOZ_OBJDIR)/$(firstword $(MOZ_BUILD_PROJECTS))
-endif
-
 preflight_all:
 	# Terminate any sccache server that might still be around
 	-$(TOPSRCDIR)/sccache2/sccache --stop-server > /dev/null 2>&1
 	# Start a new server, ensuring it gets the jobserver file descriptors
 	# from make (but don't use the + prefix when make -n is used, so that
 	# the command doesn't run in that case)
 	$(if $(findstring n,$(filter-out --%, $(MAKEFLAGS))),,+)env RUST_LOG=sccache::compiler=debug SCCACHE_ERROR_LOG=$(OBJDIR)/dist/sccache.log $(TOPSRCDIR)/sccache2/sccache --start-server