diff --git a/unix/types_openbsd.go b/unix/types_openbsd.go
index 4a4ba6365..8cdd8fa0a 100644
--- a/unix/types_openbsd.go
+++ b/unix/types_openbsd.go
@@ -209,8 +209,6 @@ type RtMsghdr C.struct_rt_msghdr
 
 type RtMetrics C.struct_rt_metrics
 
-type Mclpool C.struct_mclpool
-
 // Berkeley packet filter
 
 const (