diff --git a/src/services/meta_service.rs b/src/services/meta_service.rs
index 417ac85..922f66f 100644
--- a/src/services/meta_service.rs
+++ b/src/services/meta_service.rs
@@ -126,22 +126,16 @@ impl MetaService {
     ) {
         for meta_plugin in plugins.iter_mut() {
             // Skip plugins that are already finalized
-            if let Some(internal_plugin) = meta_plugin.as_any_mut().downcast_mut::<crate::meta_plugin::BinaryMetaPlugin>() {
-                if internal_plugin.is_finalized() {
-                    continue;
-                }
+            if meta_plugin.is_finalized() {
+                continue;
             }
-            // Add similar checks for other internal plugin types as needed
             
             let response = meta_plugin.update(chunk);
             self.process_plugin_response(conn, item_id, meta_plugin, response);
             
             // Set finalized flag if response indicates finalization
             if response.is_finalized {
-                if let Some(internal_plugin) = meta_plugin.as_any_mut().downcast_mut::<crate::meta_plugin::BinaryMetaPlugin>() {
-                    internal_plugin.set_finalized(true);
-                }
-                // Add similar checks for other internal plugin types as needed
+                meta_plugin.set_finalized(true);
             }
         }
     }
@@ -149,22 +143,16 @@ impl MetaService {
     pub fn finalize_plugins(&self, plugins: &mut [Box<dyn MetaPlugin>], conn: &Connection, item_id: i64) {
         for meta_plugin in plugins.iter_mut() {
             // Skip plugins that are already finalized
-            if let Some(internal_plugin) = meta_plugin.as_any_mut().downcast_mut::<crate::meta_plugin::BinaryMetaPlugin>() {
-                if internal_plugin.is_finalized() {
-                    continue;
-                }
+            if meta_plugin.is_finalized() {
+                continue;
             }
-            // Add similar checks for other internal plugin types as needed
             
             let response = meta_plugin.finalize();
             self.process_plugin_response(conn, item_id, meta_plugin, response);
             
             // Set finalized flag if response indicates finalization
             if response.is_finalized {
-                if let Some(internal_plugin) = meta_plugin.as_any_mut().downcast_mut::<crate::meta_plugin::BinaryMetaPlugin>() {
-                    internal_plugin.set_finalized(true);
-                }
-                // Add similar checks for other internal plugin types as needed
+                meta_plugin.set_finalized(true);
             }
         }
     }