diff --git a/js/constants.js b/js/constants.js
index d719447a..42edd083 100644
--- a/js/constants.js
+++ b/js/constants.js
@@ -106,9 +106,7 @@ function sanitizeTrustSeedList(candidate) {
 
 const DEFAULT_WSS_TRACKERS = Object.freeze([
   "wss://tracker.openwebtorrent.com",
-  "wss://tracker.ghostchu-services.top:443/announce",
   "wss://tracker.files.fm:7073/announce",
-  "wss://tracker.dler.org:443/announce",
   "wss://tracker.btorrent.xyz",
   "wss://tracker.novage.com.ua:443/announce",
 ]);
diff --git a/js/magnetUtils.js b/js/magnetUtils.js
index 7874a443..af06ab63 100644
--- a/js/magnetUtils.js
+++ b/js/magnetUtils.js
@@ -55,6 +55,35 @@ export function normalizeAndAugmentMagnet(
     didChange = true;
   }
 
+  // Filter out known broken trackers to prevent console errors
+  const BROKEN_TRACKERS = [
+    "wss://tracker.dler.org/announce",
+    "wss://tracker.dler.org:443/announce",
+    "wss://tracker.ghostchu-services.top/announce",
+    "wss://tracker.ghostchu-services.top:443/announce",
+  ];
+
+  // We need to filter 'tr' params
+  // Since we don't have a remove function in shared, we rebuild params if needed
+  const currentTrackers = params
+    .filter((p) => p.key === "tr")
+    .map((p) => p.decoded || p.value);
+
+  const hasBroken = currentTrackers.some((t) => BROKEN_TRACKERS.includes(t));
+
+  if (hasBroken) {
+    const validParams = params.filter((p) => {
+      if (p.key !== "tr") return true;
+      const val = p.decoded || p.value;
+      return !BROKEN_TRACKERS.includes(val);
+    });
+
+    // Replace params content
+    params.length = 0;
+    params.push(...validParams);
+    didChange = true;
+  }
+
   const torrentHint = typeof torrentUrl === "string" && torrentUrl.trim()
     ? torrentUrl
     : typeof xs === "string"
diff --git a/scripts/agent/debug_frontend.py b/scripts/agent/debug_frontend.py
deleted file mode 100644
index b4e9e42f..00000000
--- a/scripts/agent/debug_frontend.py
+++ /dev/null
@@ -1,30 +0,0 @@
-from playwright.sync_api import sync_playwright
-import sys
-import time
-
-def run():
-    with sync_playwright() as p:
-        browser = p.chromium.launch(headless=True)
-        page = browser.new_page()
-
-        # Subscribe to console messages
-        page.on("console", lambda msg: print(f"console:{msg.type}: {msg.text}"))
-
-        # Subscribe to uncaught exceptions
-        page.on("pageerror", lambda exc: print(f"pageerror: {exc}"))
-
-        # Subscribe to failed network requests
-        page.on("requestfailed", lambda req: print(f"requestfailed: {req.url} {req.failure}"))
-
-        try:
-            # Navigate to localhost
-            page.goto("http://localhost:8000", wait_until="networkidle")
-            # Wait a bit for async operations
-            time.sleep(2)
-        except Exception as e:
-            print(f"Error navigating: {e}")
-        finally:
-            browser.close()
-
-if __name__ == "__main__":
-    run()
diff --git a/tests/magnet-utils.test.mjs b/tests/magnet-utils.test.mjs
index 25eaa012..8a3b6a0f 100644
--- a/tests/magnet-utils.test.mjs
+++ b/tests/magnet-utils.test.mjs
@@ -198,3 +198,28 @@ test("helpers trim fragments from non-magnet values", () => {
     "Dropping the fragment should be reflected in didChange"
   );
 });
+
+test("normalizeAndAugmentMagnet filters out known broken trackers", () => {
+  const infoHash = "abcdef0123456789abcdef0123456789abcdef01";
+  const brokenTrackers = [
+    "wss://tracker.dler.org/announce",
+    "wss://tracker.ghostchu-services.top/announce"
+  ];
+
+  const rawMagnet =
+    `magnet:?xt=urn:btih:${infoHash}` +
+    `&tr=${brokenTrackers[0]}` +
+    `&tr=${brokenTrackers[1]}`;
+
+  const result = normalizeMagnetObject(rawMagnet);
+
+  const trackers = getParamValues(result.magnet, "tr");
+  for (const broken of brokenTrackers) {
+    assert.ok(
+      !trackers.includes(broken),
+      `Expected broken tracker ${broken} to be removed`
+    );
+  }
+
+  assertDefaultTrackersPresent(result.magnet);
+});