diff --git a/meta/site/common-glibc b/meta/site/common-glibc
index f5b5c4b5371..29f96da48d6 100644
--- a/meta/site/common-glibc
+++ b/meta/site/common-glibc
@@ -73,6 +73,3 @@ ac_cv_va_copy=${ac_cv_va_copy=yes}
 ac_cv___va_copy=${ac_cv___va_copy=yes}
 ac_cv_func_va_copy=${ac_cv_func_va_copy=yes}
 ac_cv_func___va_copy=${ac_cv_func___va_copy=yes}
-
-# Xorg
-xorg_cv_malloc0_returns_null=${xorg_cv_malloc0_returns_null=yes}
diff --git a/meta/site/common-musl b/meta/site/common-musl
index b19832d5f63..9eac6b9b6c6 100644
--- a/meta/site/common-musl
+++ b/meta/site/common-musl
@@ -45,6 +45,3 @@ ac_cv_va_copy=${ac_cv_va_copy=yes}
 ac_cv___va_copy=${ac_cv___va_copy=yes}
 ac_cv_func_va_copy=${ac_cv_func_va_copy=yes}
 ac_cv_func___va_copy=${ac_cv_func___va_copy=yes}
-
-# Xorg
-xorg_cv_malloc0_returns_null=${xorg_cv_malloc0_returns_null=yes}