diff --git a/core/static/core/style.scss b/core/static/core/style.scss
index 5010e3ca..b48aa7c1 100644
--- a/core/static/core/style.scss
+++ b/core/static/core/style.scss
@@ -45,35 +45,6 @@ body {
   }
 }
 
-@mixin tooltip {
-  @include shadow;
-  z-index: 1;
-  pointer-events: none;
-  background-color: #333;
-  color: #fff;
-  border: 0.5px solid hsl(0, 0%, 50%);
-  border-radius: 5px;
-  padding: 5px 10px;
-  position: absolute;
-  white-space: nowrap;
-  opacity: 0;
-  transition: opacity 500ms ease-in;
-}
-
-.tooltip {
-  @include tooltip;
-  position: absolute;
-  width: max-content;
-
-  left: 0;
-  top: 0;
-}
-
-.tooltip[tooltip-status=open] {
-  opacity: 1;
-  transition: opacity 500ms ease-in;
-}
-
 .ib {
   display: inline-block;
   padding: 1px;
diff --git a/package.json b/package.json
index f0e256d0..c0fd2d79 100644
--- a/package.json
+++ b/package.json
@@ -52,9 +52,8 @@
     "@fullcalendar/icalendar": "^6.1.20",
     "@fullcalendar/interaction": "^6.1.19",
     "@fullcalendar/list": "^6.1.20",
-    "@fullcalendar/resource": "^6.1.17",
-    "@fullcalendar/resource-timeline": "^6.1.17",
-    "@hey-api/client-fetch": "^0.8.2",
+    "@fullcalendar/resource": "^6.1.19",
+    "@fullcalendar/resource-timeline": "^6.1.19",
     "@sentry/browser": "^10.38.0",
     "@zip.js/zip.js": "^2.8.20",
     "3d-force-graph": "^1.79.1",
diff --git a/reservation/static/bundled/reservation/components/room-scheduler-index.ts b/reservation/static/bundled/reservation/components/room-scheduler-index.ts
index 0dcf3e80..f09b3d2b 100644
--- a/reservation/static/bundled/reservation/components/room-scheduler-index.ts
+++ b/reservation/static/bundled/reservation/components/room-scheduler-index.ts
@@ -1,4 +1,3 @@
-import { inheritHtmlElement, registerComponent } from "#core:utils/web-components";
 import {
   Calendar,
   type DateSelectArg,
@@ -7,16 +6,18 @@ import {
 } from "@fullcalendar/core";
 import enLocale from "@fullcalendar/core/locales/en-gb";
 import frLocale from "@fullcalendar/core/locales/fr";
+import interactionPlugin, { type EventResizeDoneArg } from "@fullcalendar/interaction";
+import resourceTimelinePlugin from "@fullcalendar/resource-timeline";
 
+import { paginated } from "#core:utils/api";
+import { inheritHtmlElement, registerComponent } from "#core:utils/web-components";
 import {
   type ReservationslotFetchSlotsData,
-  type SlotSchema,
   reservableroomFetchRooms,
   reservationslotFetchSlots,
   reservationslotUpdateSlot,
+  type SlotSchema,
 } from "#openapi";
-
-import { paginated } from "#core:utils/api";
 import type { SlotSelectedEventArg } from "#reservation:reservation/types";
 import interactionPlugin from "@fullcalendar/interaction";
 import resourceTimelinePlugin from "@fullcalendar/resource-timeline";