 He vigorously opposed compulsory arbitration, and voted against the Conciliation and Arbitration Bill.Re-elected as an Anti-Socialist in 1906, Walker expressed the view that the three-party system of the Australian Parliament's first decade was dysfunctional, and implored electors to vote "for either socialism or anti-socialism, and so end this triangular government".He continued to support the transcontinental railway and lamented the slow progress of the decision on a site for the federal capital, and supported a higher rate of immigration and the watering down of the Immigration Restriction Act.