diff --git a/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/ObjectExtensionPropertyInfo.cs b/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/ObjectExtensionPropertyInfo.cs
index ddd8fbbc3c..b54d64477f 100644
--- a/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/ObjectExtensionPropertyInfo.cs
+++ b/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/ObjectExtensionPropertyInfo.cs
@@ -18,10 +18,6 @@ namespace Volo.Abp.ObjectExtending
         [NotNull]
         public Type Type { get; }
 
-        [NotNull]
-        [Obsolete("Add validation attributes to the Attributes list instead! ValidationAttributes property will be removed in future versions.")]
-        public List<ValidationAttribute> ValidationAttributes { get; }
-
         [NotNull]
         public List<Attribute> Attributes { get; }
 
@@ -71,7 +67,6 @@ namespace Volo.Abp.ObjectExtending
             Name = Check.NotNull(name, nameof(name));
 
             Configuration = new Dictionary<object, object>();
-            ValidationAttributes = new List<ValidationAttribute>();
             Attributes = new List<Attribute>();
             Validators = new List<Action<ObjectExtensionPropertyValidationContext>>();
 
diff --git a/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/ObjectExtensionPropertyInfoExtensions.cs b/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/ObjectExtensionPropertyInfoExtensions.cs
index 4eac846314..d51bf5b13a 100644
--- a/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/ObjectExtensionPropertyInfoExtensions.cs
+++ b/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/ObjectExtensionPropertyInfoExtensions.cs
@@ -10,7 +10,6 @@ namespace Volo.Abp.ObjectExtending
             return propertyInfo
                 .Attributes
                 .OfType<ValidationAttribute>()
-                .Union(propertyInfo.ValidationAttributes)
                 .ToArray();
         }
     }