Merge commit '72e060967e045da99cc68df5bcc7d3ec9529658d' * commit '72e060967e045da99cc68df5bcc7d3ec9529658d': Remove unused SOURCE_ID constant.
Merge commit '72e060967e045da99cc68df5bcc7d3ec9529658d' * commit '72e060967e045da99cc68df5bcc7d3ec9529658d': Remove unused SOURCE_ID constant.