diff --git a/test/bigdecimal/test_bigdecimal.rb b/test/bigdecimal/test_bigdecimal.rb
index 3d02ac7e..3ae1d616 100644
--- a/test/bigdecimal/test_bigdecimal.rb
+++ b/test/bigdecimal/test_bigdecimal.rb
@@ -2291,10 +2291,6 @@ def assert_no_memory_leak(code, *rest, **opt)
   end
 
   if EnvUtil.gc_stress_to_class?
-    def test_no_memory_leak_allocate
-      assert_no_memory_leak("BigDecimal.allocate")
-    end
-
     def test_no_memory_leak_BigDecimal
       assert_no_memory_leak("BigDecimal('10')")
       assert_no_memory_leak("BigDecimal(b)")