diff --git a/internal/sql/ast/typedefs.go b/internal/sql/ast/typedefs.go
index 924fad767b..f3f0e2fc89 100644
--- a/internal/sql/ast/typedefs.go
+++ b/internal/sql/ast/typedefs.go
@@ -8,12 +8,6 @@ func (n *AclMode) Pos() int {
 	return 0
 }
 
-type DistinctExpr OpExpr
-
-func (n *DistinctExpr) Pos() int {
-	return 0
-}
-
 type NullIfExpr OpExpr
 
 func (n *NullIfExpr) Pos() int {