diff --git a/backend/src/accounts/getAccount.ts b/backend/src/accounts/getAccount.ts
index 304ba8a..959e3fc 100644
--- a/backend/src/accounts/getAccount.ts
+++ b/backend/src/accounts/getAccount.ts
@@ -24,7 +24,7 @@ export async function getAccount(domain: string, accountId: string, db: Database
 	}
 }
 
-async function getRemoteAccount(handle: Handle, acct: string, db: D1Database): Promise<MastodonAccount | null> {
+async function getRemoteAccount(handle: Handle, acct: string, db: Database): Promise<MastodonAccount | null> {
 	// TODO: using webfinger isn't the optimal implementation. We could cache
 	// the object in D1 and directly query the remote API, indicated by the actor's
 	// url field. For now, let's keep it simple.
diff --git a/backend/src/webfinger/index.ts b/backend/src/webfinger/index.ts
index e0f8502..5fd011b 100644
--- a/backend/src/webfinger/index.ts
+++ b/backend/src/webfinger/index.ts
@@ -1,4 +1,5 @@
 import * as actors from '../activitypub/actors'
+import { type Database } from 'wildebeest/backend/src/database'
 import type { Actor } from '../activitypub/actors'
 
 export type WebFingerResponse = {
@@ -11,7 +12,7 @@ const headers = {
 	accept: 'application/jrd+json',
 }
 
-export async function queryAcct(domain: string, db: D1Database, acct: string): Promise<Actor | null> {
+export async function queryAcct(domain: string, db: Database, acct: string): Promise<Actor | null> {
 	const url = await queryAcctLink(domain, acct)
 	if (url === null) {
 		return null
diff --git a/functions/api/v1/apps/verify_credentials.ts b/functions/api/v1/apps/verify_credentials.ts
index 9cbae78..e229d56 100644
--- a/functions/api/v1/apps/verify_credentials.ts
+++ b/functions/api/v1/apps/verify_credentials.ts
@@ -1,5 +1,6 @@
 // https://docs.joinmastodon.org/methods/apps/#verify_credentials
 
+import { type Database } from 'wildebeest/backend/src/database'
 import { cors } from 'wildebeest/backend/src/utils/cors'
 import { VAPIDPublicKey } from 'wildebeest/backend/src/mastodon/subscription'
 import { getVAPIDKeys } from 'wildebeest/backend/src/config'
@@ -24,7 +25,7 @@ export const onRequest: PagesFunction<Env, any, ContextData> = async ({ request,
 	return handleRequest(env.DATABASE, request, getVAPIDKeys(env))
 }
 
-export async function handleRequest(db: D1Database, request: Request, vapidKeys: JWK) {
+export async function handleRequest(db: Database, request: Request, vapidKeys: JWK) {
 	if (request.method !== 'GET') {
 		return new Response('', { status: 400 })
 	}