diff --git a/src/features/schedule/api.ts b/src/features/schedule/api.ts
index 113bf11c..58307c84 100644
--- a/src/features/schedule/api.ts
+++ b/src/features/schedule/api.ts
@@ -55,11 +55,13 @@ export async function getScheduleDetails(
   };
 
   for (let i = 0; i < params.flights.length; i++) {
-    query[`flights[${i}]`] = params.flights[i]!;
+    const flight = params.flights[i];
+    if (flight !== undefined) query[`flights[${i}]`] = flight;
   }
 
   for (let i = 0; i < params.dates.length; i++) {
-    query[`dates[${i}]`] = params.dates[i]!;
+    const date = params.dates[i];
+    if (date !== undefined) query[`dates[${i}]`] = date;
   }
 
   return client.get<IScheduleDetailsResponse>("schedule/details", query);
diff --git a/src/features/schedule/components/ScheduleSearchPage.tsx b/src/features/schedule/components/ScheduleSearchPage.tsx
index a1b1b7ba..76f94d8d 100644
--- a/src/features/schedule/components/ScheduleSearchPage.tsx
+++ b/src/features/schedule/components/ScheduleSearchPage.tsx
@@ -93,7 +93,7 @@ export const ScheduleSearchPage: FC<ScheduleSearchPageProps> = ({ params }) => {
   };
   const { days: calendarDays } = useScheduleCalendar(calendarParams);
 
-  const loading = outboundLoading || (inbound ? inboundLoading : false);
+  const _loading = outboundLoading || (inbound ? inboundLoading : false);
 
   // Navigation: change date via calendar
   const handleDateChange = useCallback(
diff --git a/src/features/schedule/seo.test.ts b/src/features/schedule/seo.test.ts
index d24b9dd4..6922f51d 100644
--- a/src/features/schedule/seo.test.ts
+++ b/src/features/schedule/seo.test.ts
@@ -5,7 +5,6 @@ import {
   buildScheduleDetailsSeo,
 } from "./seo.js";
 import type { ISimpleFlight, IScheduleFlightId } from "./types.js";
-import type { IFlightLeg } from "../online-board/types.js";
 
 /** Stub t() that returns the key + interpolation vars for assertion. */
 function stubT(key: string, opts?: Record<string, unknown>): string {
@@ -53,6 +52,7 @@ describe("buildScheduleStartSeo", () => {
     const result = buildScheduleStartSeo(stubT, "ru", CANONICAL);
 
     expect(result.twitter).toBeDefined();
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion -- test assertion guards above
     expect(result.twitter!.card).toBe("summary");
   });
 });