diff --git a/recipe/conda_build_config.yaml b/recipe/conda_build_config.yaml
index b43f42ab1..014405057 100644
--- a/recipe/conda_build_config.yaml
+++ b/recipe/conda_build_config.yaml
@@ -1,5 +1,4 @@
-c_stdlib_version:  # [unix]
-  - 2.17           # [linux]
+c_stdlib_version:  # [osx and x86_64]
   - 10.15          # [osx and x86_64]
 
 MACOSX_SDK_VERSION:         # [osx]