diff --git a/src/NUnitFramework/framework/TestContext.cs b/src/NUnitFramework/framework/TestContext.cs
index e5cebecfe0..e96e584f6d 100644
--- a/src/NUnitFramework/framework/TestContext.cs
+++ b/src/NUnitFramework/framework/TestContext.cs
@@ -519,7 +519,7 @@ public IDictionary<PropertyHierachyItem, IList> PropertyHierarchy()
             /// The returned values include the name of the level they are found at.
             /// </summary>
             /// <returns></returns>
-            public IList<PropertyValueHierarchyItem> PropertyValues(string property)
+            private IList<PropertyValueHierarchyItem> PropertyValues(string property)
             {
                 var values = new List<PropertyValueHierarchyItem>();
                 ITest? test = _test;