--- a/build/mozconfig.cache
+++ b/build/mozconfig.cache
@@ -99,23 +99,17 @@ if test -z "$platform"; then
     case "${SYSTEMROOT}" in
     *Windows)
         platform=windows
         suffix=.exe
         ;;
     esac
 fi
 
-if test -z "$bucket"; then
-    case "$platform" in
-    win*) : ;;
-    *)
-        export CCACHE=ccache
-    esac
-else
+if test -n "$bucket"; then
     mk_add_options "export SCCACHE_BUCKET=$bucket"
     case "$master" in
     *us[ew][12].mozilla.com*|*euc1.mozilla.com*)
         mk_add_options "export SCCACHE_NAMESERVER=169.254.169.253"
         ;;
     esac
     export CCACHE="$topsrcdir/sccache2/sccache${suffix}"
     export SCCACHE_VERBOSE_STATS=1