It's still very important to recognize the impacts of racism, sexism, homophobia, and more. White supremacy, cishet supremacy, and patriarchy are additional axes by which the overall contradiction of bourgeois vs proletarian is waged. You can't erase that. You have to acknowledge it within the broader class war. Historically, class war has been waged the fiercest by those most marginalized by it, uniting and making significant social progress is necessary for Socialism.