diff --git a/builder/index-parse.y b/builder/index-parse.y
index ab8b51500..8ea2d73f6 100644
--- a/builder/index-parse.y
+++ b/builder/index-parse.y
@@ -92,9 +92,7 @@ typedef void *yyscan_t;
 %parse-param { yyscan_t scanner }
 %parse-param { struct parse_context *context }
 
-%destructor { section_free ($$); } <sections>
 %destructor { section_free ($$); } <section>
-%destructor { field_free ($$); } <fields>
 %destructor { field_free ($$); } <field>
 
 %%