diff --git a/error.c b/error.c
index 74d7398..b802752 100644
--- a/error.c
+++ b/error.c
@@ -32,7 +32,7 @@
         return;
     }
 
-    err = qemu_mallocz(sizeof(*err));
+    err = g_malloc0(sizeof(*err));
 
     va_start(ap, fmt);
     err->obj = qobject_to_qdict(qobject_from_jsonv(fmt, &ap));
@@ -52,7 +52,7 @@
     if (err->msg == NULL) {
         QString *str;
         str = qerror_format(err->fmt, err->obj);
-        err->msg = qemu_strdup(qstring_get_str(str));
+        err->msg = g_strdup(qstring_get_str(str));
         QDECREF(str);
     }
 
@@ -86,8 +86,8 @@
 {
     if (err) {
         QDECREF(err->obj);
-        qemu_free(err->msg);
-        qemu_free(err);
+        g_free(err->msg);
+        g_free(err);
     }
 }
 
@@ -133,7 +133,7 @@
     if (errp == NULL) {
         return;
     }
-    err = qemu_mallocz(sizeof(*err));
+    err = g_malloc0(sizeof(*err));
     err->obj = qobject_to_qdict(obj);
     qobject_incref(obj);