diff --git a/lib/dns/sec/dnssafe/algchoic.h b/lib/dns/sec/dnssafe/algchoic.h
index 605b59b7f9..bbf2c6116b 100644
--- a/lib/dns/sec/dnssafe/algchoic.h
+++ b/lib/dns/sec/dnssafe/algchoic.h
@@ -71,7 +71,6 @@ private:
   ResizeContext context;
 };
  */
-struct B_AlgorithmInfoType;
 
 typedef struct ResizeContext {
   struct {