diff --git a/.changeset/fix-industry-alerts-channel-filter.md b/.changeset/fix-industry-alerts-channel-filter.md
new file mode 100644
index 0000000000..a01b9e0e1b
--- /dev/null
+++ b/.changeset/fix-industry-alerts-channel-filter.md
@@ -0,0 +1,7 @@
+---
+"adcontextprotocol": patch
+---
+
+Fix industry alerts not posting to Slack channels
+
+The `hasAlertedPerspective()` check was blocking articles from being posted to real Slack channels if they had already been posted to website-only channels. Removed the redundant check since the SQL query already handles per-channel deduplication correctly.
diff --git a/package-lock.json b/package-lock.json
index 6553fed6fa..08d3cd09ea 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "adcontextprotocol",
-  "version": "2.5.1",
+  "version": "2.5.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "adcontextprotocol",
-      "version": "2.5.1",
+      "version": "2.5.2",
       "dependencies": {
         "@adcp/client": "^3.5.2",
         "@anthropic-ai/sdk": "^0.71.2",
diff --git a/server/src/addie/services/industry-alerts.ts b/server/src/addie/services/industry-alerts.ts
index fb31edeede..f3478eb065 100644
--- a/server/src/addie/services/industry-alerts.ts
+++ b/server/src/addie/services/industry-alerts.ts
@@ -13,10 +13,7 @@ import { logger } from '../../logger.js';
 import { sendChannelMessage } from '../../slack/client.js';
 import type { SlackBlock } from '../../slack/types.js';
 import { query } from '../../db/client.js';
-import {
-  recordPerspectiveAlert,
-  hasAlertedPerspective,
-} from '../../db/industry-feeds-db.js';
+import { recordPerspectiveAlert } from '../../db/industry-feeds-db.js';
 import {
   getActiveChannels,
   isWebsiteOnlyChannel,
@@ -298,11 +295,6 @@ export async function processAlerts(): Promise<{
       continue;
     }
 
-    // Skip if already alerted (race condition protection)
-    if (await hasAlertedPerspective(article.perspective_id)) {
-      continue;
-    }
-
     // Verify pacing: quality 5 always posts, quality 4 only if quiet
     if (article.quality_score === 4 && !isQuiet) {
       logger.debug(
diff --git a/server/src/db/industry-feeds-db.ts b/server/src/db/industry-feeds-db.ts
index 19c7a06926..3af6f9f34c 100644
--- a/server/src/db/industry-feeds-db.ts
+++ b/server/src/db/industry-feeds-db.ts
@@ -380,17 +380,6 @@ export async function getRecentRssPerspectives(
 
 // ============== Alert Operations ==============
 
-/**
- * Check if we've already alerted for this perspective
- */
-export async function hasAlertedPerspective(perspectiveId: string): Promise<boolean> {
-  const result = await query<{ exists: boolean }>(
-    `SELECT EXISTS(SELECT 1 FROM industry_alerts WHERE perspective_id = $1)`,
-    [perspectiveId]
-  );
-  return result.rows[0].exists;
-}
-
 /**
  * Record that we sent an alert for a perspective
  */
@@ -409,56 +398,6 @@ export async function recordPerspectiveAlert(
   return result.rows[0];
 }
 
-/**
- * Get RSS perspectives that should be alerted
- * (high quality, relevant mentions, not yet alerted)
- */
-export async function getPerspectivesToAlert(): Promise<{
-  id: string;
-  title: string;
-  link: string;
-  summary: string;
-  addie_notes: string;
-  quality_score: number;
-  mentions_agentic: boolean;
-  mentions_adcp: boolean;
-  relevance_tags: string[];
-  feed_name: string;
-}[]> {
-  const result = await query<{
-    id: string;
-    title: string;
-    link: string;
-    summary: string;
-    addie_notes: string;
-    quality_score: number;
-    mentions_agentic: boolean;
-    mentions_adcp: boolean;
-    relevance_tags: string[];
-    feed_name: string;
-  }>(
-    `SELECT p.id, p.title, p.external_url as link,
-            k.summary, k.addie_notes, k.quality_score,
-            k.mentions_agentic, k.mentions_adcp, k.relevance_tags,
-            f.name as feed_name
-     FROM perspectives p
-     JOIN industry_feeds f ON p.feed_id = f.id
-     JOIN addie_knowledge k ON k.source_url = p.external_url
-     WHERE p.source_type = 'rss'
-       AND p.status = 'published'
-       AND k.fetch_status = 'success'
-       AND NOT EXISTS (SELECT 1 FROM industry_alerts ia WHERE ia.perspective_id = p.id)
-       AND (k.quality_score >= 4 OR k.mentions_agentic = true OR k.mentions_adcp = true)
-     ORDER BY
-       CASE WHEN k.mentions_adcp THEN 0
-            WHEN k.mentions_agentic THEN 1
-            ELSE 2 END,
-       k.quality_score DESC NULLS LAST
-     LIMIT 20`
-  );
-  return result.rows;
-}
-
 // ============== Stats ==============
 
 export interface FeedStats {