diff --git a/server/@types/pingdom.d.ts b/server/@types/pingdom.d.ts
index ebe48680..8291e33b 100644
--- a/server/@types/pingdom.d.ts
+++ b/server/@types/pingdom.d.ts
@@ -9,7 +9,7 @@ type WithRequired<T, K extends keyof T> = T & { [P in K]-?: T[P] }
 /** OneOf type helpers */
 type Without<T, U> = { [P in Exclude<keyof T, keyof U>]?: never }
 type XOR<T, U> = T | U extends object ? (Without<T, U> & U) | (Without<U, T> & T) : T | U
-type OneOf<T extends any[]> = T extends [infer Only]
+type OneOf<T extends Record<string, unknown>[]> = T extends [infer Only]
   ? Only
   : T extends [infer A, infer B, ...infer Rest]
     ? OneOf<[XOR<A, B>, ...Rest]>
diff --git a/server/services/pingdomService.ts b/server/services/pingdomService.ts
index 375ddd1b..21275165 100644
--- a/server/services/pingdomService.ts
+++ b/server/services/pingdomService.ts
@@ -1,5 +1,5 @@
 import type { PingdomApiClient, RestClientBuilder } from '../data'
-import { Check, Checks } from '../data/pingdomApiTypes'
+import { Checks } from '../data/pingdomApiTypes'
 
 export default class PingdomService {
   constructor(private readonly pingdomApiClientFactory: RestClientBuilder<PingdomApiClient>) {}