diff --git a/recipes/gtdbtk/meta.yaml b/recipes/gtdbtk/meta.yaml
index 22b831d8d6f67..2e43005dbcf6f 100644
--- a/recipes/gtdbtk/meta.yaml
+++ b/recipes/gtdbtk/meta.yaml
@@ -49,9 +49,6 @@ about:
   license_file: 'LICENSE'
   summary: 'A toolkit for assigning objective taxonomic classifications to bacterial and archaeal genomes.'
 extra:
-  additional-platforms:
-  # requires mash and pplacer
-  #  - linux-aarch64
   identifiers:
     - doi:10.1093/bioinformatics/btz848
   recipe-maintainers: