diff --git a/src/repositories/shuttle/ShuttleGetterSetterRepository.ts b/src/repositories/shuttle/ShuttleGetterSetterRepository.ts
index c61d0a2..3551d67 100644
--- a/src/repositories/shuttle/ShuttleGetterSetterRepository.ts
+++ b/src/repositories/shuttle/ShuttleGetterSetterRepository.ts
@@ -2,7 +2,7 @@
 // to convert from data repo to GraphQL schema
 
 import { ShuttleGetterRepository, ShuttleTravelTimeDataIdentifier, ShuttleTravelTimeDateFilterArguments } from "./ShuttleGetterRepository";
-import { IEta, IOrderedStop, IRoute, IShuttle, IStop } from "../../entities/ShuttleRepositoryEntities";
+import { IOrderedStop, IRoute, IShuttle, IStop } from "../../entities/ShuttleRepositoryEntities";
 
 /**
  * ShuttleGetterRepository interface for data derived from Passio API.
@@ -17,24 +17,15 @@ export interface ShuttleGetterSetterRepository extends ShuttleGetterRepository {
   addOrUpdateStop(stop: IStop): Promise<void>;
   addOrUpdateOrderedStop(orderedStop: IOrderedStop): Promise<void>;
 
-  /**
-   * Add or update an ETA from an external source (e.g., API or test data).
-   * This bypasses the internal ETA calculation based on shuttle movements.
-   * Use this for loading ETAs from external APIs or setting test data.
-   */
-  addOrUpdateEtaFromExternalSource(eta: IEta): Promise<void>;
-
   removeRouteIfExists(routeId: string): Promise<IRoute | null>;
   removeShuttleIfExists(shuttleId: string): Promise<IShuttle | null>;
   removeStopIfExists(stopId: string): Promise<IStop | null>;
   removeOrderedStopIfExists(stopId: string, routeId: string): Promise<IOrderedStop | null>;
-  removeEtaIfExists(shuttleId: string, stopId: string): Promise<IEta | null>;
 
   clearRouteData(): Promise<void>;
   clearShuttleData(): Promise<void>;
   clearStopData(): Promise<void>;
   clearOrderedStopData(): Promise<void>;
-  clearEtaData(): Promise<void>;
 
   /**
    * Get average travel time between two stops based on historical data.