This reverts commit 175d3a51.

This reverts commit 8587a240.

This reverts commit e736e88a.

This reverts commit 537716f4.

This reverts commit 6748cbb9.

This reverts commit 384aa86b.

This reverts commit 68ed013c.

This reverts commit 881d3f78.

This reverts commit 5d19c837.