An adapter plate for an aircraft seat may include a body configured to be positioned exterior of an armrest of the aircraft seat within a space proximate to the aircraft seat. The body may include at least one coupler configured to attach to the aircraft seat. The body may include at least one mount point. The at least one mount point of the body may be configured to attach to at least one mount bracket of the removable auxiliary aircraft accessory. The auxiliary aircraft accessory may be positioned within the space proximate to the aircraft seat when coupled to the at least one mount point of the body via the at least one mount bracket.