diff --git a/modules/electrophysiology_browser/jsx/react-series-data-viewer/src/series/components/EventManager.tsx b/modules/electrophysiology_browser/jsx/react-series-data-viewer/src/series/components/EventManager.tsx
index 8b7a80e0311..01149f9fed3 100644
--- a/modules/electrophysiology_browser/jsx/react-series-data-viewer/src/series/components/EventManager.tsx
+++ b/modules/electrophysiology_browser/jsx/react-series-data-viewer/src/series/components/EventManager.tsx
@@ -237,11 +237,6 @@ const EventManager = ({
                   (epoch.type == 'Annotation' ? 'annotation ' : '')
                   + 'list-group-item list-group-item-action'
                 }
-                style={{
-                  position: 'relative',
-                }}
-                onMouseEnter={() => updateActiveEpoch(index)}
-                onMouseLeave={() => updateActiveEpoch(null)}
               >
                 <div
                   className="epoch-details"