diff --git a/src/unix/bsd/freebsdlike/dragonfly/mod.rs b/src/unix/bsd/freebsdlike/dragonfly/mod.rs
index 4b9903878425f..fa4f2d590f657 100644
--- a/src/unix/bsd/freebsdlike/dragonfly/mod.rs
+++ b/src/unix/bsd/freebsdlike/dragonfly/mod.rs
@@ -715,6 +715,9 @@ pub const RLIMIT_POSIXLOCKS: ::c_int = 11;
 #[deprecated(since = "0.2.64", note = "Not stable across OS versions")]
 pub const RLIM_NLIMITS: ::rlim_t = 12;
 
+#[deprecated(since = "0.2.105", note = "Only exists on FreeBSD, not DragonFly BSD")]
+pub const XU_NGROUPS: ::c_int = 16;
+
 pub const Q_GETQUOTA: ::c_int = 0x300;
 pub const Q_SETQUOTA: ::c_int = 0x400;
 
diff --git a/src/unix/bsd/freebsdlike/freebsd/mod.rs b/src/unix/bsd/freebsdlike/freebsd/mod.rs
index 12030ff6c25a4..1f34b1abf64b6 100644
--- a/src/unix/bsd/freebsdlike/freebsd/mod.rs
+++ b/src/unix/bsd/freebsdlike/freebsd/mod.rs
@@ -640,6 +640,8 @@ pub const NI_NUMERICSERV: ::c_int = 0x00000008;
 pub const NI_DGRAM: ::c_int = 0x00000010;
 pub const NI_NUMERICSCOPE: ::c_int = 0x00000020;
 
+pub const XU_NGROUPS: ::c_int = 16;
+
 pub const Q_GETQUOTA: ::c_int = 0x700;
 pub const Q_SETQUOTA: ::c_int = 0x800;
 
diff --git a/src/unix/bsd/freebsdlike/mod.rs b/src/unix/bsd/freebsdlike/mod.rs
index d70665839cc47..2717a5cfb7760 100644
--- a/src/unix/bsd/freebsdlike/mod.rs
+++ b/src/unix/bsd/freebsdlike/mod.rs
@@ -1167,7 +1167,6 @@ pub const ST_NOSUID: ::c_ulong = 2;
 
 pub const NI_MAXHOST: ::size_t = 1025;
 
-pub const XU_NGROUPS: ::c_int = 16;
 pub const XUCRED_VERSION: ::c_uint = 0;
 
 pub const RTLD_LOCAL: ::c_int = 0;