diff --git a/pkg/converters/converters.go b/pkg/converters/converters.go
index 4bc91a6d..a87d1b38 100644
--- a/pkg/converters/converters.go
+++ b/pkg/converters/converters.go
@@ -254,7 +254,6 @@ var Converters = map[string]Converter{
 	},
 }
 
-var ComplexTypes = []string{"Map"}
 var ClickhouseConverters = ClickHouseConverters()
 
 func ClickHouseConverters() []sqlutil.Converter {