diff --git a/duckdb_engine/__init__.py b/duckdb_engine/__init__.py
index 893f382c..53227cd4 100644
--- a/duckdb_engine/__init__.py
+++ b/duckdb_engine/__init__.py
@@ -108,10 +108,6 @@ class DuckDBEngineWarning(Warning):
     pass
 
 
-class DuckDBEngineCommentWarning(DuckDBEngineWarning):
-    pass
-
-
 class Dialect(postgres_dialect):
     name = "duckdb"
     driver = "duckdb_engine"