diff --git a/plugins/platforms/feishu/adapter.py b/plugins/platforms/feishu/adapter.py
index 5b2e4ec4bd17..8c50942042c2 100644
--- a/plugins/platforms/feishu/adapter.py
+++ b/plugins/platforms/feishu/adapter.py
@@ -1447,26 +1447,6 @@ def _load_lark_oapi() -> bool:
         return True
 
 
-def feishu_deps_present() -> bool:
-    """PASSIVE probe: is lark-oapi installed right now?
-
-    Registry ``check_fn`` — called from status displays and config loading,
-    so it must never install anything.  Uses ``is_available`` (cheap
-    importlib.metadata lookups) instead of importing the SDK, which is
-    deferred to ``_load_lark_oapi`` at connect time.  The ACTIVE
-    lazy-installer (``check_feishu_requirements``) is registered as
-    ``ensure_deps_fn`` and runs from ``create_adapter()`` when this
-    returns False (#79812).
-    """
-    if FEISHU_AVAILABLE:
-        return True
-    try:
-        from tools.lazy_deps import is_available
-        return is_available("platform.feishu")
-    except Exception:  # pragma: no cover — defensive
-        return False
-
-
 def check_feishu_requirements() -> bool:
     """Ensure Feishu dependencies are installed without importing the SDK."""
     if FEISHU_AVAILABLE:
@@ -5877,8 +5857,7 @@ def register(ctx) -> None:
         name="feishu",
         label="Feishu / Lark",
         adapter_factory=_build_adapter,
-        check_fn=feishu_deps_present,
-        ensure_deps_fn=check_feishu_requirements,
+        check_fn=check_feishu_requirements,
         is_connected=_is_connected,
         validate_config=_is_connected,
         required_env=["FEISHU_APP_ID", "FEISHU_APP_SECRET"],