diff --git a/src/hooks/useExternalUrlLoader.ts b/src/hooks/useExternalUrlLoader.ts
index a123cb23..bef85150 100644
--- a/src/hooks/useExternalUrlLoader.ts
+++ b/src/hooks/useExternalUrlLoader.ts
@@ -11,7 +11,7 @@ interface UseExternalUrlLoaderProps {
   setReaderContent: (content: ReadableContent | undefined) => void
   setReaderLoading: (loading: boolean) => void
   setIsCollapsed: (collapsed: boolean) => void
-  setHighlights: (highlights: Highlight[]) => void
+  setHighlights: (highlights: Highlight[] | ((prev: Highlight[]) => Highlight[])) => void
   setHighlightsLoading: (loading: boolean) => void
   setCurrentArticleCoordinate: (coord: string | undefined) => void
   setCurrentArticleEventId: (id: string | undefined) => void
diff --git a/src/services/articleService.ts b/src/services/articleService.ts
index 16ce4280..a1059f08 100644
--- a/src/services/articleService.ts
+++ b/src/services/articleService.ts
@@ -1,4 +1,4 @@
-import { RelayPool, completeOnEose, onlyEvents } from 'applesauce-relay'
+import { RelayPool, onlyEvents } from 'applesauce-relay'
 import { lastValueFrom, take, takeUntil, timer, toArray } from 'rxjs'
 import { nip19 } from 'nostr-tools'
 import { AddressPointer } from 'nostr-tools/nip19'
@@ -103,7 +103,7 @@ export async function fetchArticleByNaddr(
       ? pointer.relays 
       : RELAYS
     const orderedRelays = prioritizeLocalRelays(baseRelays)
-    const { local: localRelays, remote: remoteRelays } = partitionRelays(orderedRelays)
+    const { local: localRelays } = partitionRelays(orderedRelays)
 
     // Fetch the article event
     const filter = {
diff --git a/src/services/articleTitleResolver.ts b/src/services/articleTitleResolver.ts
index acc7ba76..0c922d1a 100644
--- a/src/services/articleTitleResolver.ts
+++ b/src/services/articleTitleResolver.ts
@@ -1,4 +1,4 @@
-import { RelayPool, completeOnEose, onlyEvents } from 'applesauce-relay'
+import { RelayPool, onlyEvents } from 'applesauce-relay'
 import { lastValueFrom, take, takeUntil, timer, toArray } from 'rxjs'
 import { nip19 } from 'nostr-tools'
 import { AddressPointer } from 'nostr-tools/nip19'
@@ -40,7 +40,7 @@ export async function fetchArticleTitle(
     }
 
     // Try to get the first event quickly from local relays
-    let events = [] as any[]
+    let events: { created_at: number }[] = []
     if (localRelays.length > 0) {
       try {
         events = await lastValueFrom(
@@ -54,11 +54,12 @@ export async function fetchArticleTitle(
     }
     // Fallback to all relays if nothing from local quickly
     if (events.length === 0) {
-      events = await lastValueFrom(
+      const fallbackEvents = await lastValueFrom(
         relayPool
           .req(orderedRelays, filter)
           .pipe(onlyEvents(), take(1), takeUntil(timer(5000)), toArray())
       )
+      events = fallbackEvents as { created_at: number }[]
     }
 
     if (events.length === 0) {
@@ -67,7 +68,7 @@ export async function fetchArticleTitle(
 
     // Sort by created_at and take the most recent
     events.sort((a, b) => b.created_at - a.created_at)
-    const article = events[0]
+    const article = events[0] as unknown as Parameters<typeof getArticleTitle>[0]
 
     return getArticleTitle(article) || null
   } catch (err) {
diff --git a/src/services/contactService.ts b/src/services/contactService.ts
index 0304c5e7..9581b5a6 100644
--- a/src/services/contactService.ts
+++ b/src/services/contactService.ts
@@ -20,19 +20,20 @@ export const fetchContacts = async (
     
     // Local-first quick attempt
     const localRelays = relayUrls.filter(url => url.includes('localhost') || url.includes('127.0.0.1'))
-    let events = [] as any[]
+    let events: Array<{ created_at: number; tags: string[][] }> = []
     if (localRelays.length > 0) {
       try {
-        events = await lastValueFrom(
+        const localEvents = await lastValueFrom(
           relayPool
             .req(localRelays, { kinds: [3], authors: [pubkey] })
             .pipe(completeOnEose(), takeUntil(timer(1200)), toArray())
         )
+        events = localEvents as Array<{ created_at: number; tags: string[][] }>
       } catch {
         events = []
       }
     }
-    let followed = new Set<string>()
+    const followed = new Set<string>()
     if (events.length > 0) {
       // Get the most recent contact list
       const sortedEvents = events.sort((a, b) => b.created_at - a.created_at)
@@ -55,8 +56,9 @@ export const fetchContacts = async (
             .pipe(completeOnEose(), takeUntil(timer(6000)), toArray())
         )
         if (remoteEvents.length > 0) {
-          const sortedEvents = remoteEvents.sort((a, b) => b.created_at - a.created_at)
-          const contactList = sortedEvents[0]
+          const sortedRemote = (remoteEvents as Array<{ created_at: number; tags: string[][] }>).
+            sort((a, b) => b.created_at - a.created_at)
+          const contactList = sortedRemote[0]
           for (const tag of contactList.tags) {
             if (tag[0] === 'p' && tag[1]) {
               followed.add(tag[1])