diff --git a/changelog.d/9286-stale-known-failure.md b/changelog.d/9286-stale-known-failure.md
new file mode 100644
index 0000000000..1dba8d04bf
--- /dev/null
+++ b/changelog.d/9286-stale-known-failure.md
@@ -0,0 +1,4 @@
+The parity triage list no longer suppresses `test_stress_promises`, which now
+passes on Linux. A `known_failures.json` entry that outlives its bug silently
+absorbs that test's next regression, so the gate requires stale entries to be
+removed.
diff --git a/test-parity/known_failures.json b/test-parity/known_failures.json
index 202e64d354..dea95fa392 100644
--- a/test-parity/known_failures.json
+++ b/test-parity/known_failures.json
@@ -922,15 +922,6 @@
       "linux"
     ]
   },
-  "test_stress_promises": {
-    "issue": "8841",
-    "added": "2026-08-25",
-    "category": "bug-open",
-    "reason": "Reproduces 5/5 on both pre-#8835 r13 and r14: Perry dies with SIGSEGV (exit 139) after six output lines while Node exits 0. Tracked in #8841.",
-    "platforms": [
-      "linux"
-    ]
-  },
   "test_take_screenshot": {
     "issue": "8271",
     "added": "2026-08-17",