49 Pa. Stat. § 1901
The following act is repealed absolutely.
The act of June 4, 1901 (P.L. 431), entitled "An act defining the rights and liabilities of parties to, and regulating the effect of, contracts for work and labor to be done, and labor or materials to be furnished, to any building, bridge, wharf, dock, pier, bulkhead, vault, subway, tramway, tollroad, conduit, tunnel, mine, coal-breaker, flume, pump, screen, tank, derrick, pipe-line, aqueduct, reservoir, viaduct, telegraph, telephone, railway or railroad line; canal millrace; works for supplying water, heat, light, power, cold air, or any other substance furnished to the public; well for the production of gas, oil or other volatile or mineral substance; or other structure or improvement, of whatsoever kind or character the same may be; providing remedies for the recovery of debts due by reason of such contracts, and repealing, consolidating and extending existing laws in relation thereto."
49 P.S. § 1901