Yes,
The temptations of the internet are also very grave.
If the computer is an occasion of sin, put it in the garbage. Break it first so that no-one else can use it.
Never give away a television, DVD player, video player, or computer. They will almost certainly be used for sin.
If one just looks at Traditional Catholic sites on the internet, then the moral perils are less.
Ideally, one should go without television, computers, and all their sordid technological cousins.
The Saints were canonized without any of those things.
Padre Pio compared buying a television to inviting the devil into your home.
Padre Pio would probably have likewise condemned the internet.