diff --git a/accel/tcg/plugin-gen.c b/accel/tcg/plugin-gen.c
index 39b3c9351f..78b331b251 100644
--- a/accel/tcg/plugin-gen.c
+++ b/accel/tcg/plugin-gen.c
@@ -327,8 +327,7 @@ static TCGOp *copy_st_ptr(TCGOp **begin_op, TCGOp *op)
     return op;
 }
 
-static TCGOp *copy_call(TCGOp **begin_op, TCGOp *op, void *empty_func,
-                        void *func, int *cb_idx)
+static TCGOp *copy_call(TCGOp **begin_op, TCGOp *op, void *func, int *cb_idx)
 {
     TCGOp *old_op;
     int func_idx;
@@ -372,8 +371,7 @@ static TCGOp *append_udata_cb(const struct qemu_plugin_dyn_cb *cb,
     }
 
     /* call */
-    op = copy_call(&begin_op, op, HELPER(plugin_vcpu_udata_cb),
-                   cb->f.vcpu_udata, cb_idx);
+    op = copy_call(&begin_op, op, cb->f.vcpu_udata, cb_idx);
 
     return op;
 }
@@ -420,8 +418,7 @@ static TCGOp *append_mem_cb(const struct qemu_plugin_dyn_cb *cb,
 
     if (type == PLUGIN_GEN_CB_MEM) {
         /* call */
-        op = copy_call(&begin_op, op, HELPER(plugin_vcpu_mem_cb),
-                       cb->f.vcpu_udata, cb_idx);
+        op = copy_call(&begin_op, op, cb->f.vcpu_udata, cb_idx);
     }
 
     return op;