diff --git a/lib/dns/db_p.h b/lib/dns/db_p.h
index 630873e6b1..a77acd0fda 100644
--- a/lib/dns/db_p.h
+++ b/lib/dns/db_p.h
@@ -17,7 +17,6 @@
 #include <isc/urcu.h>
 
 #include <dns/nsec3.h>
-#include <dns/rdatavec.h>
 #include <dns/types.h>
 
 #ifdef STRONG_RWLOCK_CHECK
@@ -85,35 +84,6 @@
 #define IS_STUB(db)  (((db)->common.attributes & DNS_DBATTR_STUB) != 0)
 #define IS_CACHE(db) (((db)->common.attributes & DNS_DBATTR_CACHE) != 0)
 
-struct dns_glue {
-	struct dns_glue *next;
-	dns_name_t name;
-	dns_rdataset_t rdataset_a;
-	dns_rdataset_t sigrdataset_a;
-	dns_rdataset_t rdataset_aaaa;
-	dns_rdataset_t sigrdataset_aaaa;
-};
-
-struct dns_gluelist {
-	isc_mem_t *mctx;
-
-	const dns_dbversion_t *version;
-	dns_vecheader_t *header;
-
-	struct dns_glue *glue;
-
-	struct rcu_head rcu_head;
-	struct cds_wfs_node wfs_node;
-};
-
-typedef struct dns_glue_additionaldata_ctx {
-	dns_db_t *db;
-	dns_dbversion_t *version;
-	const dns_name_t *owner_name;
-
-	dns_glue_t *glue;
-} dns_glue_additionaldata_ctx_t;
-
 static inline bool
 prio_type(dns_typepair_t type) {
 	switch (type) {
diff --git a/lib/dns/include/dns/rdataslab.h b/lib/dns/include/dns/rdataslab.h
index 40ccb47e68..a8d1a09a36 100644
--- a/lib/dns/include/dns/rdataslab.h
+++ b/lib/dns/include/dns/rdataslab.h
@@ -119,11 +119,6 @@ struct dns_slabheader {
 	 */
 	dns_dbnode_t *node;
 
-	/*%
-	 * Cached glue records for an rdataset of type NS (zone only).
-	 */
-	dns_gluelist_t *gluelist;
-
 	/*%
 	 * Case vector.  If the bit is set then the corresponding
 	 * character in the owner name needs to be AND'd with 0x20,
diff --git a/lib/dns/qpzone_p.h b/lib/dns/qpzone_p.h
index 93d0782fef..e000d102bf 100644
--- a/lib/dns/qpzone_p.h
+++ b/lib/dns/qpzone_p.h
@@ -19,8 +19,39 @@
 
 #include <dns/nsec3.h>
 #include <dns/qp.h>
+#include <dns/rdatavec.h>
 #include <dns/types.h>
 
+struct dns_glue {
+	struct dns_glue *next;
+	dns_name_t name;
+	dns_rdataset_t rdataset_a;
+	dns_rdataset_t sigrdataset_a;
+	dns_rdataset_t rdataset_aaaa;
+	dns_rdataset_t sigrdataset_aaaa;
+	bool required;
+};
+
+struct dns_gluelist {
+	isc_mem_t *mctx;
+
+	const dns_dbversion_t *version;
+	dns_vecheader_t *header;
+
+	struct dns_glue *glue;
+
+	struct rcu_head rcu_head;
+	struct cds_wfs_node wfs_node;
+};
+
+typedef struct dns_glue_additionaldata_ctx {
+	dns_db_t *db;
+	dns_dbversion_t *version;
+	const dns_name_t *owner_name;
+
+	dns_glue_t *glue;
+} dns_glue_additionaldata_ctx_t;
+
 /*****
 ***** Module Info
 *****/