For those who want to remove the actual axis labels and not just the legend in 2021 (Chart.js v.3.5.1). Note: this also removes the axes.
const chartWrap = document.querySelector('.chart-wrap')const canvas = document.createElement('canvas')chartWrap.appendChild(canvas)const ctx = canvas.getContext('2d')const myChart = new Chart(ctx, { type: 'line', data: { labels: ['Your', 'axis', 'labels'], datasets: [ { label: 'Your legend label', data: [1, 3, 2], backgroundColor: '#54ACEF' } ] }, options: { maintainAspectRatio: false, plugins: { legend: false // Hide legend }, scales: { y: { display: false // Hide Y axis labels }, x: { display: false // Hide X axis labels } } }})<div class="chart-wrap" style="width: 200px; height: 100px;"></div><script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/3.5.1/chart.min.js" integrity="sha512-Wt1bJGtlnMtGP0dqNFH1xlkLBNpEodaiQ8ZN5JLA5wpc1sUlk/O5uuOMNgvzddzkpvZ9GLyYNa8w2s7rqiTk5Q==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>