The phrase "freed itself of" is correct and usable in written English.
It can be used to describe the act of liberating oneself from something burdensome or unwanted.
Example: "The organization finally freed itself of outdated practices that hindered its progress."
Alternatives: "liberated itself from" or "rid itself of".
Furthermore, the university freed itself of most such constraints by the 1980s.
All was going well until one of the rolling bases somehow freed itself of the brick.
Argentina freed itself of economic chaos by hitching its future to Washington's broad economic vision of free, competitive global markets.
Abu Dhabi has freed itself of N.Y.U.'s inheritance: the lumbering bureaucracy, the stratified faculty, the overpacked classes, and the students burdened by debt.
Russian liberals sneered at Solzhenitsyn, though none managed to offer anything comparable to his work.Hard times for intellectualsThe country which had bloodlessly freed itself of communist ideology and had ended the cold war was experiencing a collective inferiority complex.
But bebop is a soloist's art: the small combos mainly left the soloists on their own with the harmonic and rhythmic backing of a trio (piano, bass, drums)—and when jazz freed itself of harmonic structure, the piano dropped out.
America would free itself of the encumbrance of formal alliances and multilateral diplomacy.
New York, "like the victim of an outrage, goes about freeing itself of its shroud," he wrote.
Like a butterfly struggling to free itself of its chrysalis, her form emerges from enveloping darkness and twists into the light.
That is: "the world, with the Metropolis and the immutable law of the great death having been, can no longer and will never again be able to free itself of their being part of its existence".
He lived in world very much like ours; a society that saw itself as modern, freeing itself of old superstitions, but one that was also a time of political unrest, revolution and war.
