diff --git a/src/aipass/trigger/README.md b/src/aipass/trigger/README.md
index 1a60097b..5b270e9a 100644
--- a/src/aipass/trigger/README.md
+++ b/src/aipass/trigger/README.md
@@ -4,7 +4,7 @@
 
 **Purpose:** Event bus for AIPass. Branches fire events, registered handlers react. Decouples producers from consumers — the module that detects a condition doesn't need to know what should happen next.
 **Module:** `aipass.trigger`
-**Last Updated:** 2026-04-07
+**Last Updated:** 2026-04-22
 
 ## Commands / Usage
 
@@ -129,7 +129,7 @@ trigger/
 
 ---
 
-*Last Updated: 2026-04-07*
+*Last Updated: 2026-04-22*
 
 ---
 [← Back to AIPass](../../../README.md)
diff --git a/src/aipass/trigger/apps/handlers/events/startup.py b/src/aipass/trigger/apps/handlers/events/startup.py
index 1254c0c3..51b98d0c 100644
--- a/src/aipass/trigger/apps/handlers/events/startup.py
+++ b/src/aipass/trigger/apps/handlers/events/startup.py
@@ -371,9 +371,9 @@ def _run_memory_check() -> None:
     Silent failure - handlers cannot use logger or print.
     """
     try:
-        from aipass.memory.apps.modules.rollover import check_and_rollover
+        from aipass.memory.apps.modules.rollover import run_rollover
 
-        check_and_rollover()
+        run_rollover()
     except ImportError:
         return  # Memory not available
     except Exception as exc:
diff --git a/src/aipass/trigger/apps/handlers/log_watcher.py b/src/aipass/trigger/apps/handlers/log_watcher.py
index ff00f11c..8ea206b6 100644
--- a/src/aipass/trigger/apps/handlers/log_watcher.py
+++ b/src/aipass/trigger/apps/handlers/log_watcher.py
@@ -373,36 +373,6 @@ def _parse_prax_log_line(log_line: str) -> Optional[Dict[str, str]]:
         return None
 
 
-def _is_duplicate_error(error_hash: str) -> bool:
-    """
-    Check if error has been seen before (deduplication).
-
-    BACKWARD COMPAT: Kept for fallback when error_registry is unavailable.
-    Primary dedup path is now error_registry.report() (Medic v2).
-
-    Args:
-        error_hash: Hash of module + message
-
-    Returns:
-        True if this error has been seen before
-    """
-    global _seen_error_hashes
-
-    if error_hash in _seen_error_hashes:
-        return True
-
-    # Add to seen set with size limit
-    _seen_error_hashes.add(error_hash)
-    if len(_seen_error_hashes) > MAX_SEEN_HASHES:
-        # Remove oldest entries (convert to list, slice, back to set)
-        _seen_error_hashes = set(list(_seen_error_hashes)[MAX_SEEN_HASHES // 2 :])
-
-    # Persist to disk after each new hash
-    _save_seen_hashes()
-
-    return False
-
-
 def set_event_callback(callback: Callable[..., None]) -> None:
     """
     Set the callback function for firing events.
diff --git a/src/aipass/trigger/apps/handlers/watchers/log_watcher.py b/src/aipass/trigger/apps/handlers/watchers/log_watcher.py
index e55c73f5..6f194da0 100644
--- a/src/aipass/trigger/apps/handlers/watchers/log_watcher.py
+++ b/src/aipass/trigger/apps/handlers/watchers/log_watcher.py
@@ -280,8 +280,8 @@ class LogFileWatcher(WatchdogFileSystemEventHandler if WATCHDOG_AVAILABLE else o
                         last_seen=result.get("last_seen", ""),
                         count=error_count,
                     )
-                except Exception:
-                    # Registry unavailable — fire error_logged as monitoring-only fallback
+                except Exception as exc:
+                    logger.warning("Registry unavailable, falling back to error_logged: %s", exc)
                     trigger.fire("error_logged", **event_data)
                 json_handler.log_operation("system_log_event", {"level": level, "module": module_name})
             elif level == "warning":
diff --git a/src/aipass/trigger/tests/test_log_watcher.py b/src/aipass/trigger/tests/test_log_watcher.py
index 4ec4ad30..b9821425 100644
--- a/src/aipass/trigger/tests/test_log_watcher.py
+++ b/src/aipass/trigger/tests/test_log_watcher.py
@@ -253,41 +253,6 @@ class TestIsStaleEntry:
         assert lw._is_stale_entry(ts) is False
 
 
-# ---------------------------------------------------------------------------
-# Tests -- _is_duplicate_error
-# ---------------------------------------------------------------------------
-
-
-class TestIsDuplicateError:
-    """Tests for _is_duplicate_error."""
-
-    def test_first_time_returns_false(self):
-        """First occurrence of a hash is NOT a duplicate."""
-        lw = _import_log_watcher()
-        lw._seen_error_hashes.clear()
-        # Patch _save_seen_hashes to avoid disk I/O
-        with patch.object(lw, "_save_seen_hashes"):
-            assert lw._is_duplicate_error("aabbccdd") is False
-
-    def test_second_time_returns_true(self):
-        """Second occurrence of the same hash IS a duplicate."""
-        lw = _import_log_watcher()
-        lw._seen_error_hashes.clear()
-        with patch.object(lw, "_save_seen_hashes"):
-            lw._is_duplicate_error("aabbccdd")
-            assert lw._is_duplicate_error("aabbccdd") is True
-
-    def test_hash_set_size_limit(self):
-        """When set exceeds MAX_SEEN_HASHES, it is trimmed."""
-        lw = _import_log_watcher()
-        lw._seen_error_hashes.clear()
-        with patch.object(lw, "_save_seen_hashes"):
-            # Fill beyond the max
-            for i in range(lw.MAX_SEEN_HASHES + 10):
-                lw._is_duplicate_error(f"hash_{i:05d}")
-            assert len(lw._seen_error_hashes) <= lw.MAX_SEEN_HASHES
-
-
 # ---------------------------------------------------------------------------
 # Tests -- set_event_callback / clear_seen_hashes
 # ---------------------------------------------------------------------------