diff --git a/ui/src/components/SampleQueue/EnergyScanTaskItem.jsx b/ui/src/components/SampleQueue/EnergyScanTaskItem.jsx
index deb1ed8f3..2bc3d8dd7 100644
--- a/ui/src/components/SampleQueue/EnergyScanTaskItem.jsx
+++ b/ui/src/components/SampleQueue/EnergyScanTaskItem.jsx
@@ -125,7 +125,6 @@ export default class EnergyScanTaskItem extends Component {
         selected={selected}
         show={show}
         showContextMenu={showContextMenu}
-        specialTaskCSS="Characterisation"
         state={state}
         taskHeaderOnClickHandler={taskHeaderOnClickHandler}
         taskHeaderOnContextMenuHandler={taskHeaderOnContextMenuHandler}
diff --git a/ui/src/components/SampleQueue/WorkflowTaskItem.jsx b/ui/src/components/SampleQueue/WorkflowTaskItem.jsx
index 6b4339a8c..c9431aa54 100644
--- a/ui/src/components/SampleQueue/WorkflowTaskItem.jsx
+++ b/ui/src/components/SampleQueue/WorkflowTaskItem.jsx
@@ -108,7 +108,6 @@ export default class WorkflowTaskItem extends Component {
         selected={selected}
         show={show}
         showContextMenu={showContextMenu}
-        specialTaskCSS="Characterisation"
         state={state}
         taskHeaderOnClickHandler={taskHeaderOnClickHandler}
         taskHeaderOnContextMenuHandler={taskHeaderOnContextMenuHandler}
diff --git a/ui/src/components/SampleQueue/XRFTaskItem.jsx b/ui/src/components/SampleQueue/XRFTaskItem.jsx
index f00d6b646..4a87c2b52 100644
--- a/ui/src/components/SampleQueue/XRFTaskItem.jsx
+++ b/ui/src/components/SampleQueue/XRFTaskItem.jsx
@@ -124,7 +124,6 @@ export default class XRFTaskItem extends Component {
         selected={selected}
         show={show}
         showContextMenu={showContextMenu}
-        specialTaskCSS="Characterisation"
         state={state}
         taskHeaderOnClickHandler={taskHeaderOnClickHandler}
         taskHeaderOnContextMenuHandler={taskHeaderOnContextMenuHandler}