diff --git a/src/components/nostr/ChatView.tsx b/src/components/nostr/ChatView.tsx
index 0e97a3c..9badf81 100644
--- a/src/components/nostr/ChatView.tsx
+++ b/src/components/nostr/ChatView.tsx
@@ -91,9 +91,10 @@ export function ChatView({ events, className }: ChatViewProps) {
 }
 
 function ChatMessage({ event }: { event: NostrEvent }) {
-  const threadRefs = useMemo(() => getNip10References(event), [event]);
+  // Both helpers cache internally, no useMemo needed
+  const threadRefs = getNip10References(event);
   const replyToId = threadRefs.reply?.e?.id;
-  const qTagValue = useMemo(() => getTagValue(event, "q"), [event]);
+  const qTagValue = getTagValue(event, "q");
 
   return (
     <div className="flex flex-col gap-0.5">
diff --git a/src/components/nostr/kinds/ArticleRenderer.tsx b/src/components/nostr/kinds/ArticleRenderer.tsx
index 7467b8c..f13c057 100644
--- a/src/components/nostr/kinds/ArticleRenderer.tsx
+++ b/src/components/nostr/kinds/ArticleRenderer.tsx
@@ -1,4 +1,3 @@
-import { useMemo } from "react";
 import {
   BaseEventContainer,
   BaseEventProps,
@@ -12,10 +11,11 @@ import {
 /**
  * Renderer for Kind 30023 - Long-form Article
  * Displays article title and summary in feed
+ * Note: getArticleTitle and getArticleSummary cache internally, no useMemo needed
  */
 export function Kind30023Renderer({ event }: BaseEventProps) {
-  const title = useMemo(() => getArticleTitle(event), [event]);
-  const summary = useMemo(() => getArticleSummary(event), [event]);
+  const title = getArticleTitle(event);
+  const summary = getArticleSummary(event);
 
   return (
     <BaseEventContainer event={event}>
diff --git a/src/components/nostr/kinds/CodeSnippetDetailRenderer.tsx b/src/components/nostr/kinds/CodeSnippetDetailRenderer.tsx
index f118784..daada5d 100644
--- a/src/components/nostr/kinds/CodeSnippetDetailRenderer.tsx
+++ b/src/components/nostr/kinds/CodeSnippetDetailRenderer.tsx
@@ -29,19 +29,21 @@ interface Kind1337DetailRendererProps {
 /**
  * Detail renderer for Kind 1337 - Code Snippet (NIP-C0)
  * Full view with all metadata and complete code
+ * Note: NIP-C0 helpers wrap getTagValue which caches internally
  */
 export function Kind1337DetailRenderer({ event }: Kind1337DetailRendererProps) {
   const { addWindow } = useGrimoire();
   const { copy, copied } = useCopy();
 
-  const name = useMemo(() => getCodeName(event), [event]);
-  const language = useMemo(() => getCodeLanguage(event), [event]);
-  const extension = useMemo(() => getCodeExtension(event), [event]);
-  const description = useMemo(() => getCodeDescription(event), [event]);
-  const runtime = useMemo(() => getCodeRuntime(event), [event]);
-  const licenses = useMemo(() => getCodeLicenses(event), [event]);
-  const dependencies = useMemo(() => getCodeDependencies(event), [event]);
-  const repo = useMemo(() => getCodeRepo(event), [event]);
+  // All these helpers wrap getTagValue, which caches internally
+  const name = getCodeName(event);
+  const language = getCodeLanguage(event);
+  const extension = getCodeExtension(event);
+  const description = getCodeDescription(event);
+  const runtime = getCodeRuntime(event);
+  const licenses = getCodeLicenses(event);
+  const dependencies = getCodeDependencies(event);
+  const repo = getCodeRepo(event);
 
   // Parse NIP-34 repository address if present
   const repoPointer = useMemo(() => {
diff --git a/src/components/nostr/kinds/HighlightDetailRenderer.tsx b/src/components/nostr/kinds/HighlightDetailRenderer.tsx
index e9b7379..86f71ca 100644
--- a/src/components/nostr/kinds/HighlightDetailRenderer.tsx
+++ b/src/components/nostr/kinds/HighlightDetailRenderer.tsx
@@ -1,4 +1,3 @@
-import { useMemo } from "react";
 import { ExternalLink } from "lucide-react";
 import type { NostrEvent } from "@/types/nostr";
 import {
@@ -16,23 +15,18 @@ import { useGrimoire } from "@/core/state";
 /**
  * Detail renderer for Kind 9802 - Highlight
  * Shows highlighted text, comment, context, and embedded source event
+ * Note: All applesauce helpers cache internally, no useMemo needed
  */
 export function Kind9802DetailRenderer({ event }: { event: NostrEvent }) {
   const { addWindow } = useGrimoire();
-  const highlightText = useMemo(() => getHighlightText(event), [event]);
-  const comment = useMemo(() => getHighlightComment(event), [event]);
-  const context = useMemo(() => getHighlightContext(event), [event]);
-  const sourceUrl = useMemo(() => getHighlightSourceUrl(event), [event]);
+  const highlightText = getHighlightText(event);
+  const comment = getHighlightComment(event);
+  const context = getHighlightContext(event);
+  const sourceUrl = getHighlightSourceUrl(event);
 
   // Get source event pointer (e tag) or address pointer (a tag)
-  const eventPointer = useMemo(
-    () => getHighlightSourceEventPointer(event),
-    [event],
-  );
-  const addressPointer = useMemo(
-    () => getHighlightSourceAddressPointer(event),
-    [event],
-  );
+  const eventPointer = getHighlightSourceEventPointer(event);
+  const addressPointer = getHighlightSourceAddressPointer(event);
 
   // Format created date
   const createdDate = new Date(event.created_at * 1000).toLocaleDateString(
diff --git a/src/components/nostr/kinds/HighlightRenderer.tsx b/src/components/nostr/kinds/HighlightRenderer.tsx
index 3b4a412..94f89f1 100644
--- a/src/components/nostr/kinds/HighlightRenderer.tsx
+++ b/src/components/nostr/kinds/HighlightRenderer.tsx
@@ -1,4 +1,3 @@
-import { useMemo } from "react";
 import { BaseEventContainer, BaseEventProps } from "./BaseEventRenderer";
 import { ExternalLink } from "lucide-react";
 import {
@@ -18,36 +17,28 @@ import { KindBadge } from "@/components/KindBadge";
 /**
  * Renderer for Kind 9802 - Highlight
  * Displays highlighted text with optional comment, compact source event preview, and source URL
+ * Note: All applesauce helpers cache internally, no useMemo needed
  */
 export function Kind9802Renderer({ event }: BaseEventProps) {
   const { addWindow } = useGrimoire();
-  const highlightText = useMemo(() => getHighlightText(event), [event]);
-  const sourceUrl = useMemo(() => getHighlightSourceUrl(event), [event]);
-  const comment = useMemo(() => getHighlightComment(event), [event]);
+  const highlightText = getHighlightText(event);
+  const sourceUrl = getHighlightSourceUrl(event);
+  const comment = getHighlightComment(event);
 
   // Get source event pointer (e tag) or address pointer (a tag) for Nostr event references
-  const eventPointer = useMemo(
-    () => getHighlightSourceEventPointer(event),
-    [event],
-  );
-  const addressPointer = useMemo(
-    () => getHighlightSourceAddressPointer(event),
-    [event],
-  );
+  const eventPointer = getHighlightSourceEventPointer(event);
+  const addressPointer = getHighlightSourceAddressPointer(event);
 
   // Load the source event for preview
   const sourceEvent = useNostrEvent(eventPointer || addressPointer);
 
-  // Extract title or content preview from source event
-  const sourcePreview = useMemo(() => {
+  // Extract title or content preview from source event (getArticleTitle caches internally)
+  const sourcePreview = (() => {
     if (!sourceEvent) return null;
-
     const title = getArticleTitle(sourceEvent);
     if (title) return title;
-
-    // Fall back to content
     return sourceEvent.content || null;
-  }, [sourceEvent]);
+  })();
 
   // Handle click to open source event
   const handleOpenEvent = () => {