diff --git a/app/assets/javascripts/sidebar/components/time_tracking/spent_only_pane.js b/app/assets/javascripts/sidebar/components/time_tracking/spent_only_pane.js
deleted file mode 100644
index bf987562647..00000000000
--- a/app/assets/javascripts/sidebar/components/time_tracking/spent_only_pane.js
+++ /dev/null
@@ -1,15 +0,0 @@
-export default {
-  name: 'time-tracking-spent-only-pane',
-  props: {
-    timeSpentHumanReadable: {
-      type: String,
-      required: true,
-    },
-  },
-  template: `
-    <div class="time-tracking-spend-only-pane">
-      <span class="bold">Spent:</span>
-      {{ timeSpentHumanReadable }}
-    </div>
-  `,
-};
diff --git a/app/assets/javascripts/sidebar/components/time_tracking/spent_only_pane.vue b/app/assets/javascripts/sidebar/components/time_tracking/spent_only_pane.vue
new file mode 100644
index 00000000000..59cd99f8f14
--- /dev/null
+++ b/app/assets/javascripts/sidebar/components/time_tracking/spent_only_pane.vue
@@ -0,0 +1,18 @@
+<script>
+export default {
+  name: 'TimeTrackingSpentOnlyPane',
+  props: {
+    timeSpentHumanReadable: {
+      type: String,
+      required: true,
+    },
+  },
+};
+</script>
+
+<template>
+  <div class="time-tracking-spend-only-pane">
+    <span class="bold">Spent:</span>
+    {{ timeSpentHumanReadable }}
+  </div>
+</template>
diff --git a/app/assets/javascripts/sidebar/components/time_tracking/time_tracker.vue b/app/assets/javascripts/sidebar/components/time_tracking/time_tracker.vue
index 9c003aa9f8a..8f5d0bee107 100644
--- a/app/assets/javascripts/sidebar/components/time_tracking/time_tracker.vue
+++ b/app/assets/javascripts/sidebar/components/time_tracking/time_tracker.vue
@@ -1,7 +1,7 @@
 <script>
 import TimeTrackingHelpState from './help_state.vue';
 import TimeTrackingCollapsedState from './collapsed_state.vue';
-import timeTrackingSpentOnlyPane from './spent_only_pane';
+import TimeTrackingSpentOnlyPane from './spent_only_pane.vue';
 import TimeTrackingNoTrackingPane from './no_tracking_pane.vue';
 import TimeTrackingEstimateOnlyPane from './estimate_only_pane.vue';
 import TimeTrackingComparisonPane from './comparison_pane.vue';
@@ -13,7 +13,7 @@ export default {
   components: {
     TimeTrackingCollapsedState,
     TimeTrackingEstimateOnlyPane,
-    'time-tracking-spent-only-pane': timeTrackingSpentOnlyPane,
+    TimeTrackingSpentOnlyPane,
     TimeTrackingNoTrackingPane,
     TimeTrackingComparisonPane,
     TimeTrackingHelpState,
diff --git a/changelogs/unreleased/move-time-tracking-spent-only-pane-vue-component.yml b/changelogs/unreleased/move-time-tracking-spent-only-pane-vue-component.yml
new file mode 100644
index 00000000000..d2db0df5a04
--- /dev/null
+++ b/changelogs/unreleased/move-time-tracking-spent-only-pane-vue-component.yml
@@ -0,0 +1,5 @@
+---
+title: Move TimeTrackingSpentOnlyPane vue component
+merge_request: 18710
+author: George Tsiolis
+type: performance