diff --git a/plugins/dbgate-plugin-firebird/src/backend/Analyser.js b/plugins/dbgate-plugin-firebird/src/backend/Analyser.js
index 5b3fdac48..a6f9172c1 100644
--- a/plugins/dbgate-plugin-firebird/src/backend/Analyser.js
+++ b/plugins/dbgate-plugin-firebird/src/backend/Analyser.js
@@ -55,10 +55,6 @@ class Analyser extends DatabaseAnalyser {
       triggers,
     };
   }
-
-  async _getFastSnapshot() {
-    return this._runAnalysis();
-  }
 }
 
 module.exports = Analyser;