diff --git a/include/site/linux b/include/site/linux
index 1dadd60bf3..1ca2837c28 100644
--- a/include/site/linux
+++ b/include/site/linux
@@ -53,7 +53,6 @@ ac_cv_have_control_in_msghdr=yes
 ac_cv_have_decl_sys_siglist=no
 ac_cv_have_openpty_ctty_bug=yes
 ac_cv_have_space_d_name_in_struct_dirent=yes
-ac_cv_header_netinet_sctp_h=no
 ac_cv_header_netinet_sctp_uio_h=no
 ac_cv_int64_t=yes
 ac_cv_lbl_unaligned_fail=no