diff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c
index 1434d15315..ce461cc905 100644
--- a/target/s390x/cpu_models.c
+++ b/target/s390x/cpu_models.c
@@ -376,12 +376,12 @@ static void cpu_model_from_info(S390CPUModel *model, const CpuModelInfo *info,
 
 static void qdict_add_disabled_feat(const char *name, void *opaque)
 {
-    qdict_put((QDict *) opaque, name, qbool_from_bool(false));
+    qdict_put(opaque, name, qbool_from_bool(false));
 }
 
 static void qdict_add_enabled_feat(const char *name, void *opaque)
 {
-    qdict_put((QDict *) opaque, name, qbool_from_bool(true));
+    qdict_put(opaque, name, qbool_from_bool(true));
 }
 
 /* convert S390CPUDef into a static CpuModelInfo */