diff --git a/src/backends/meta-barrier.c b/src/backends/meta-barrier.c
index 8946cafeb..e163338cb 100644
--- a/src/backends/meta-barrier.c
+++ b/src/backends/meta-barrier.c
@@ -302,7 +302,7 @@ meta_barrier_destroy (MetaBarrier *barrier)
 static void
 meta_barrier_init (MetaBarrier *barrier)
 {
-  barrier->priv = G_TYPE_INSTANCE_GET_PRIVATE (barrier, META_TYPE_BARRIER, MetaBarrierPrivate);
+  barrier->priv = meta_barrier_get_instance_private (barrier);
 }
 
 void
diff --git a/src/compositor/meta-module.c b/src/compositor/meta-module.c
index 0283b4a9a..d5aa64846 100644
--- a/src/compositor/meta-module.c
+++ b/src/compositor/meta-module.c
@@ -41,9 +41,6 @@ struct _MetaModulePrivate
   GType         plugin_type;
 };
 
-#define META_MODULE_GET_PRIVATE(obj) \
-(G_TYPE_INSTANCE_GET_PRIVATE ((obj), META_TYPE_MODULE, MetaModulePrivate))
-
 G_DEFINE_TYPE_WITH_PRIVATE (MetaModule, meta_module, G_TYPE_TYPE_MODULE);
 
 static gboolean
@@ -192,7 +189,7 @@ meta_module_class_init (MetaModuleClass *klass)
 static void
 meta_module_init (MetaModule *self)
 {
-  self->priv = META_MODULE_GET_PRIVATE (self);
+  self->priv = meta_module_get_instance_private (self);
 }
 
 GType
diff --git a/src/compositor/plugins/default.c b/src/compositor/plugins/default.c
index 3dd0b07ec..33c00989e 100644
--- a/src/compositor/plugins/default.c
+++ b/src/compositor/plugins/default.c
@@ -50,9 +50,6 @@
 #define META_IS_DEFAULT_PLUGIN_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  META_TYPE_DEFAULT_PLUGIN))
 #define META_DEFAULT_PLUGIN_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  META_TYPE_DEFAULT_PLUGIN, MetaDefaultPluginClass))
 
-#define META_DEFAULT_PLUGIN_GET_PRIVATE(obj) \
-(G_TYPE_INSTANCE_GET_PRIVATE ((obj), META_TYPE_DEFAULT_PLUGIN, MetaDefaultPluginPrivate))
-
 typedef struct _MetaDefaultPlugin        MetaDefaultPlugin;
 typedef struct _MetaDefaultPluginClass   MetaDefaultPluginClass;
 typedef struct _MetaDefaultPluginPrivate MetaDefaultPluginPrivate;
@@ -218,7 +215,7 @@ meta_default_plugin_init (MetaDefaultPlugin *self)
 {
   MetaDefaultPluginPrivate *priv;
 
-  self->priv = priv = META_DEFAULT_PLUGIN_GET_PRIVATE (self);
+  self->priv = priv = meta_default_plugin_get_instance_private (self);
 
   priv->info.name        = "Default Effects";
   priv->info.version     = "0.1";