diff --git a/crypto/secret.c b/crypto/secret.c
index 281cb81f0f..44eaff16f6 100644
--- a/crypto/secret.c
+++ b/crypto/secret.c
@@ -107,13 +107,6 @@ qcrypto_secret_prop_get_file(Object *obj,
 }
 
 
-static void
-qcrypto_secret_complete(UserCreatable *uc, Error **errp)
-{
-    object_property_set_bool(OBJECT(uc), "loaded", true, errp);
-}
-
-
 static void
 qcrypto_secret_finalize(Object *obj)
 {
@@ -129,9 +122,6 @@ qcrypto_secret_class_init(ObjectClass *oc, void *data)
     QCryptoSecretCommonClass *sic = QCRYPTO_SECRET_COMMON_CLASS(oc);
     sic->load_data = qcrypto_secret_load_data;
 
-    UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
-    ucc->complete = qcrypto_secret_complete;
-
     object_class_property_add_str(oc, "data",
                                   qcrypto_secret_prop_get_data,
                                   qcrypto_secret_prop_set_data);
@@ -148,10 +138,6 @@ static const TypeInfo qcrypto_secret_info = {
     .instance_finalize = qcrypto_secret_finalize,
     .class_size = sizeof(QCryptoSecretClass),
     .class_init = qcrypto_secret_class_init,
-    .interfaces = (InterfaceInfo[]) {
-        { TYPE_USER_CREATABLE },
-        { }
-    }
 };
 
 
diff --git a/crypto/secret_common.c b/crypto/secret_common.c
index b03d530867..35b82cb531 100644
--- a/crypto/secret_common.c
+++ b/crypto/secret_common.c
@@ -268,6 +268,13 @@ qcrypto_secret_prop_get_keyid(Object *obj,
 }
 
 
+static void
+qcrypto_secret_complete(UserCreatable *uc, Error **errp)
+{
+    object_property_set_bool(OBJECT(uc), "loaded", true, errp);
+}
+
+
 static void
 qcrypto_secret_finalize(Object *obj)
 {
@@ -281,6 +288,10 @@ qcrypto_secret_finalize(Object *obj)
 static void
 qcrypto_secret_class_init(ObjectClass *oc, void *data)
 {
+    UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
+
+    ucc->complete = qcrypto_secret_complete;
+
     object_class_property_add_bool(oc, "loaded",
                                    qcrypto_secret_prop_get_loaded,
                                    qcrypto_secret_prop_set_loaded);
@@ -390,6 +401,10 @@ static const TypeInfo qcrypto_secret_info = {
     .class_size = sizeof(QCryptoSecretCommonClass),
     .class_init = qcrypto_secret_class_init,
     .abstract = true,
+    .interfaces = (InterfaceInfo[]) {
+        { TYPE_USER_CREATABLE },
+        { }
+    }
 };
 
 
diff --git a/crypto/secret_keyring.c b/crypto/secret_keyring.c
index 10d8bc48a0..1b7edec84a 100644
--- a/crypto/secret_keyring.c
+++ b/crypto/secret_keyring.c
@@ -102,22 +102,12 @@ qcrypto_secret_prop_get_key(Object *obj, Visitor *v,
 }
 
 
-static void
-qcrypto_secret_keyring_complete(UserCreatable *uc, Error **errp)
-{
-    object_property_set_bool(OBJECT(uc), "loaded", true, errp);
-}
-
-
 static void
 qcrypto_secret_keyring_class_init(ObjectClass *oc, void *data)
 {
     QCryptoSecretCommonClass *sic = QCRYPTO_SECRET_COMMON_CLASS(oc);
     sic->load_data = qcrypto_secret_keyring_load_data;
 
-    UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
-    ucc->complete = qcrypto_secret_keyring_complete;
-
     object_class_property_add(oc, "serial", "int32_t",
                                   qcrypto_secret_prop_get_key,
                                   qcrypto_secret_prop_set_key,
@@ -130,10 +120,6 @@ static const TypeInfo qcrypto_secret_info = {
     .name = TYPE_QCRYPTO_SECRET_KEYRING,
     .instance_size = sizeof(QCryptoSecretKeyring),
     .class_init = qcrypto_secret_keyring_class_init,
-    .interfaces = (InterfaceInfo[]) {
-        { TYPE_USER_CREATABLE },
-        { }
-    }
 };