diff --git a/src/features/feeds/components/Tables.tsx b/src/features/feeds/components/Tables.tsx
index 8d4f6db7baf..2061c73c845 100644
--- a/src/features/feeds/components/Tables.tsx
+++ b/src/features/feeds/components/Tables.tsx
@@ -1385,8 +1385,11 @@ const streamsCategoryMap = {
 }
 
 export const StreamsTr = ({ metadata, isMainnet, showRiskColumn = isMainnet }) => {
-  const finalTier = metadata.finalCategory
   const isDeprecating = !!metadata.docs?.shutdownDate
+  // Deprecating streams always show the deprecating category, even when the
+  // stream is rendered from a path that doesn't enrich finalCategory (e.g. the
+  // deprecating streams page) or when no Supabase risk tier is available.
+  const finalTier = isDeprecating ? "deprecating" : metadata.finalCategory
   const hideFeedId = shouldHideStreamFeedId(metadata)
 
   // Temporary calculated stream detection until proper metadata tagging is implemented
diff --git a/src/scripts/data/detect-new-data.ts b/src/scripts/data/detect-new-data.ts
index a8bc5bd5aca..933c506c981 100644
--- a/src/scripts/data/detect-new-data.ts
+++ b/src/scripts/data/detect-new-data.ts
@@ -61,11 +61,6 @@ const STREAM_DEPRECATION_ENDPOINTS: Array<{ network: string; networkType: "mainn
     networkType: "mainnet",
     url: "https://reference-data-directory.vercel.app/feeds-ethereum-mainnet-arbitrum-1.json",
   },
-  {
-    network: "arbitrum",
-    networkType: "testnet",
-    url: "https://reference-data-directory.vercel.app/feeds-ethereum-testnet-sepolia-arbitrum-1.json",
-  },
 ]
 
 // Path to the baseline JSON file that contains known feed IDs