diff --git a/apps/server/src/infra/sync/tsp/tsp-sync.strategy.ts b/apps/server/src/infra/sync/tsp/tsp-sync.strategy.ts
index b5374a24c2..05beef3866 100644
--- a/apps/server/src/infra/sync/tsp/tsp-sync.strategy.ts
+++ b/apps/server/src/infra/sync/tsp/tsp-sync.strategy.ts
@@ -25,40 +25,19 @@ import { TspSyncService } from './tsp-sync.service';
 
 @Injectable()
 export class TspSyncStrategy extends SyncStrategy {
-	private readonly schoolLimit: number;
-
-	private readonly dataLimit: number;
-
-	private readonly migrationLimit: number;
-
-	private readonly schoolDaysToFetch: number;
-
-	private readonly schoolDataDaysToFetch: number;
-
-	private readonly migrationEnabled: boolean;
-
 	constructor(
 		private readonly logger: Logger,
 		private readonly tspSyncService: TspSyncService,
 		private readonly tspFetchService: TspFetchService,
 		private readonly tspOauthDataMapper: TspOauthDataMapper,
 		private readonly tspLegacyMigrationService: TspLegacyMigrationService,
-		configService: ConfigService<TspSyncConfig, true>,
+		private readonly configService: ConfigService<TspSyncConfig, true>,
 		private readonly provisioningService: ProvisioningService,
 		private readonly userService: UserService,
 		private readonly accountService: AccountService
 	) {
 		super();
 		this.logger.setContext(TspSyncStrategy.name);
-
-		this.schoolLimit = configService.getOrThrow<number>('TSP_SYNC_SCHOOL_LIMIT');
-		this.schoolDaysToFetch = configService.get<number>('TSP_SYNC_SCHOOL_DAYS_TO_FETCH', 1);
-
-		this.dataLimit = configService.getOrThrow<number>('TSP_SYNC_DATA_LIMIT');
-		this.schoolDataDaysToFetch = configService.get<number>('TSP_SYNC_DATA_DAYS_TO_FETCH', 1);
-
-		this.migrationLimit = configService.getOrThrow<number>('TSP_SYNC_MIGRATION_LIMIT');
-		this.migrationEnabled = configService.get<boolean>('FEATURE_TSP_MIGRATION_ENABLED', false);
 	}
 
 	public override getType(): SyncStrategyTarget {
@@ -74,7 +53,7 @@ export class TspSyncStrategy extends SyncStrategy {
 
 		const schools = await this.tspSyncService.findSchoolsForSystem(system);
 
-		if (this.migrationEnabled) {
+		if (this.configService.get<boolean>('FEATURE_TSP_MIGRATION_ENABLED', false)) {
 			await this.runMigration(system);
 		}
 
@@ -82,8 +61,9 @@ export class TspSyncStrategy extends SyncStrategy {
 	}
 
 	private async syncSchools(system: System): Promise<School[]> {
-		const tspSchools = await this.tspFetchService.fetchTspSchools(system, this.schoolDaysToFetch);
-		this.logger.info(new TspSchoolsFetchedLoggable(tspSchools.length, this.schoolDaysToFetch));
+		const schoolDaysToFetch = this.configService.get<number>('TSP_SYNC_SCHOOL_LIMIT', 1);
+		const tspSchools = await this.tspFetchService.fetchTspSchools(system, schoolDaysToFetch);
+		this.logger.info(new TspSchoolsFetchedLoggable(tspSchools.length, schoolDaysToFetch));
 
 		const schoolPromises = tspSchools.map(async (tspSchool) => {
 			if (!tspSchool.schuleNummer) {
@@ -118,11 +98,12 @@ export class TspSyncStrategy extends SyncStrategy {
 	}
 
 	private async syncData(system: System, schools: School[]): Promise<void> {
-		const tspTeachers = await this.tspFetchService.fetchTspTeachers(system, this.schoolDataDaysToFetch);
-		const tspStudents = await this.tspFetchService.fetchTspStudents(system, this.schoolDataDaysToFetch);
-		const tspClasses = await this.tspFetchService.fetchTspClasses(system, this.schoolDataDaysToFetch);
+		const schoolDataDaysToFetch = this.configService.get<number>('TSP_SYNC_SCHOOL_DAYS_TO_FETCH', 1);
+		const tspTeachers = await this.tspFetchService.fetchTspTeachers(system, schoolDataDaysToFetch);
+		const tspStudents = await this.tspFetchService.fetchTspStudents(system, schoolDataDaysToFetch);
+		const tspClasses = await this.tspFetchService.fetchTspClasses(system, schoolDataDaysToFetch);
 		this.logger.info(
-			new TspDataFetchedLoggable(tspTeachers.length, tspStudents.length, tspClasses.length, this.schoolDataDaysToFetch)
+			new TspDataFetchedLoggable(tspTeachers.length, tspStudents.length, tspClasses.length, schoolDataDaysToFetch)
 		);
 
 		const oauthDataDtos = this.tspOauthDataMapper.mapTspDataToOauthData(
@@ -145,7 +126,9 @@ export class TspSyncStrategy extends SyncStrategy {
 	private async migrateTspTeachersBatch(system: System, oldToNewMappings: Map<string, string>): Promise<number> {
 		this.logger.info(new TspTeachersFetchedLoggable(oldToNewMappings.size));
 
-		const users = await this.userService.findByTspUids(Array.from(oldToNewMappings.keys()));
+		const migrationIds = Array.from(oldToNewMappings.keys());
+
+		const users = await this.userService.findByTspUids(migrationIds);
 		this.logger.info(this.logForMsg(`Users fetched: ${users.length}`));
 
 		const userIds = users.map((user) => user.id ?? '');