8 files changed, 8 insertions, 25 deletions
diff --git a/backends/cryptodev-builtin.c b/backends/cryptodev-builtin.c
index f047ad0362..c6edb1b28a 100644
--- a/backends/cryptodev-builtin.c
+++ b/backends/cryptodev-builtin.c
@@ -35,10 +35,7 @@
  */
 #define TYPE_CRYPTODEV_BACKEND_BUILTIN "cryptodev-backend-builtin"
 
-typedef struct CryptoDevBackendBuiltin
-                         CryptoDevBackendBuiltin;
-DECLARE_INSTANCE_CHECKER(CryptoDevBackendBuiltin, CRYPTODEV_BACKEND_BUILTIN,
-                         TYPE_CRYPTODEV_BACKEND_BUILTIN)
+OBJECT_DECLARE_SIMPLE_TYPE(CryptoDevBackendBuiltin, CRYPTODEV_BACKEND_BUILTIN)
 
 
 typedef struct CryptoDevBackendBuiltinSession {
diff --git a/backends/cryptodev-vhost-user.c b/backends/cryptodev-vhost-user.c
index 41089dede1..60ec4908aa 100644
--- a/backends/cryptodev-vhost-user.c
+++ b/backends/cryptodev-vhost-user.c
@@ -39,9 +39,7 @@
  */
 #define TYPE_CRYPTODEV_BACKEND_VHOST_USER "cryptodev-vhost-user"
 
-typedef struct CryptoDevBackendVhostUser CryptoDevBackendVhostUser;
-DECLARE_INSTANCE_CHECKER(CryptoDevBackendVhostUser, CRYPTODEV_BACKEND_VHOST_USER,
-                         TYPE_CRYPTODEV_BACKEND_VHOST_USER)
+OBJECT_DECLARE_SIMPLE_TYPE(CryptoDevBackendVhostUser, CRYPTODEV_BACKEND_VHOST_USER)
 
 
 struct CryptoDevBackendVhostUser {
diff --git a/backends/hostmem-file.c b/backends/hostmem-file.c
index a3b2e8209e..40e1e5b3e3 100644
--- a/backends/hostmem-file.c
+++ b/backends/hostmem-file.c
@@ -19,9 +19,7 @@
 #include "qom/object_interfaces.h"
 #include "qom/object.h"
 
-typedef struct HostMemoryBackendFile HostMemoryBackendFile;
-DECLARE_INSTANCE_CHECKER(HostMemoryBackendFile, MEMORY_BACKEND_FILE,
-                         TYPE_MEMORY_BACKEND_FILE)
+OBJECT_DECLARE_SIMPLE_TYPE(HostMemoryBackendFile, MEMORY_BACKEND_FILE)
 
 
 struct HostMemoryBackendFile {
diff --git a/backends/hostmem-memfd.c b/backends/hostmem-memfd.c
index 8cf6bcbda2..e5626d4330 100644
--- a/backends/hostmem-memfd.c
+++ b/backends/hostmem-memfd.c
@@ -21,9 +21,7 @@
 
 #define TYPE_MEMORY_BACKEND_MEMFD "memory-backend-memfd"
 
-typedef struct HostMemoryBackendMemfd HostMemoryBackendMemfd;
-DECLARE_INSTANCE_CHECKER(HostMemoryBackendMemfd, MEMORY_BACKEND_MEMFD,
-                         TYPE_MEMORY_BACKEND_MEMFD)
+OBJECT_DECLARE_SIMPLE_TYPE(HostMemoryBackendMemfd, MEMORY_BACKEND_MEMFD)
 
 
 struct HostMemoryBackendMemfd {
diff --git a/backends/rng-builtin.c b/backends/rng-builtin.c
index 459be97a5a..f38dff117d 100644
--- a/backends/rng-builtin.c
+++ b/backends/rng-builtin.c
@@ -11,9 +11,7 @@
 #include "qemu/guest-random.h"
 #include "qom/object.h"
 
-typedef struct RngBuiltin RngBuiltin;
-DECLARE_INSTANCE_CHECKER(RngBuiltin, RNG_BUILTIN,
-                         TYPE_RNG_BUILTIN)
+OBJECT_DECLARE_SIMPLE_TYPE(RngBuiltin, RNG_BUILTIN)
 
 struct RngBuiltin {
     RngBackend parent;
diff --git a/backends/rng-egd.c b/backends/rng-egd.c
index d905fe657c..20198ff26e 100644
--- a/backends/rng-egd.c
+++ b/backends/rng-egd.c
@@ -19,9 +19,7 @@
 #include "qom/object.h"
 
 #define TYPE_RNG_EGD "rng-egd"
-typedef struct RngEgd RngEgd;
-DECLARE_INSTANCE_CHECKER(RngEgd, RNG_EGD,
-                         TYPE_RNG_EGD)
+OBJECT_DECLARE_SIMPLE_TYPE(RngEgd, RNG_EGD)
 
 struct RngEgd {
     RngBackend parent;
diff --git a/backends/tpm/tpm_emulator.c b/backends/tpm/tpm_emulator.c
index 13657d9aba..201cd38503 100644
--- a/backends/tpm/tpm_emulator.c
+++ b/backends/tpm/tpm_emulator.c
@@ -45,9 +45,7 @@
 #include "qom/object.h"
 
 #define TYPE_TPM_EMULATOR "tpm-emulator"
-typedef struct TPMEmulator TPMEmulator;
-DECLARE_INSTANCE_CHECKER(TPMEmulator, TPM_EMULATOR,
-                         TYPE_TPM_EMULATOR)
+OBJECT_DECLARE_SIMPLE_TYPE(TPMEmulator, TPM_EMULATOR)
 
 #define TPM_EMULATOR_IMPLEMENTS_ALL_CAPS(S, cap) (((S)->caps & (cap)) == (cap))
 
diff --git a/backends/tpm/tpm_passthrough.c b/backends/tpm/tpm_passthrough.c
index 6d6294ef0a..8f6f4998a5 100644
--- a/backends/tpm/tpm_passthrough.c
+++ b/backends/tpm/tpm_passthrough.c
@@ -36,9 +36,7 @@
 #include "qom/object.h"
 
 #define TYPE_TPM_PASSTHROUGH "tpm-passthrough"
-typedef struct TPMPassthruState TPMPassthruState;
-DECLARE_INSTANCE_CHECKER(TPMPassthruState, TPM_PASSTHROUGH,
-                         TYPE_TPM_PASSTHROUGH)
+OBJECT_DECLARE_SIMPLE_TYPE(TPMPassthruState, TPM_PASSTHROUGH)
 
 /* data structures */
 struct TPMPassthruState {