Cika wannan jumla: Sharkie ya yi murabus a ranar 9 ga Mayu, 2018, sakamakon ci gaba da rikici.
Rikicin cancanci shiga majalisar Australiya bayan hukuncin Babban Kotun da ke cewa dole ne 'yan asalin Burtaniya biyu su "kammala" yin watsi da' yan asalin Burtaniya kafin a zabi su a matsayin 'yan majalisar Australiya dangane da Katy Gallagher. Wannan murabus ya haifar da zaben da aka gudanar a ranar 28 ga Yuli 2018. Sharkie ta sake yin takara a kujerar don jam'iyyarta, yanzu da aka sani da Center Alliance, kuma ta ci gaba da kasancewa tare da matsakaiciyar motsi a cikin ni'imarta. Sharkie ya riƙe kujerar a zaɓen 2019 tare da ƙara yawan rinjaye duk da rushewar kuri'a ga Alliance Alliance a wannan shekarar.