@@ -5,7 +5,6 @@ import (
 	"context"
 	ejson "encoding/json"
 	"fmt"
-	"regexp"
 
 	"google.golang.org/protobuf/encoding/protojson"
 
@@ -53,7 +52,6 @@ func Generate(ctx context.Context, req *plugin.GenerateRequest) (*plugin.Generat
 	if err != nil {
 		return nil, err
 	}
-	data = dropUnsetTypeExpr(data)
 	var rm ejson.RawMessage = data
 	blob, err := ejson.MarshalIndent(rm, "", indent)
 	if err != nil {
@@ -68,18 +66,3 @@ func Generate(ctx context.Context, req *plugin.GenerateRequest) (*plugin.Generat
 		},
 	}, nil
 }
-
-// unsetTypeExpr matches a column's type_expr member when it is unset, with
-// the comma that joins it to the member before it. It is the last member
-// of a column, so protojson writes it after a comma, with whatever
-// whitespace it chose around the separators.
-var unsetTypeExpr = regexp.MustCompile(`,\s*"type_expr"\s*:\s*null`)
-
-// dropUnsetTypeExpr removes the type_expr member from columns that have
-// none. The member is only set when the analysis core typed the column,
-// and a column the legacy path typed is written the way it was before the
-// member existed rather than with an explicit null. A JSON string cannot
-// hold an unescaped quote, so the match never lands inside one.
-func dropUnsetTypeExpr(data []byte) []byte {
-	return unsetTypeExpr.ReplaceAll(data, nil)
-}