diff --git a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/Modeling/AbpPropertyBuilderExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/Modeling/AbpPropertyBuilderExtensions.cs
deleted file mode 100644
index 93aeb792da..0000000000
--- a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/Modeling/AbpPropertyBuilderExtensions.cs
+++ /dev/null
@@ -1,110 +0,0 @@
-using System;
-using System.Linq.Expressions;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.ChangeTracking;
-using Microsoft.EntityFrameworkCore.Metadata.Builders;
-using Newtonsoft.Json;
-
-namespace Volo.Abp.EntityFrameworkCore.Modeling
-{
-    public static class AbpPropertyBuilderExtensions
-    {
-        /// <summary>
-        /// Serialize and property attributes using json(JsonConvert).
-        /// </summary>
-        /// <param name="propertyBuilder">The builder for the property being configured.</param>
-        /// <param name="valueComparer">Sets the custom ValueComparer for this property.</param>
-        public static PropertyBuilder<TPropertyType> ConfigureJsonConversionWithValueComparer<TPropertyType>(
-            this PropertyBuilder<TPropertyType> propertyBuilder,
-            ValueComparer valueComparer)
-        {
-            propertyBuilder.HasConversion(
-                    d => JsonConvert.SerializeObject(d, Formatting.None),
-                    s => JsonConvert.DeserializeObject<TPropertyType>(s)
-                )
-                .Metadata.SetValueComparer(valueComparer);
-
-            return propertyBuilder;
-        }
-
-        /// <summary>
-        /// Serialize and property attributes using json(JsonConvert).
-        /// </summary>
-        /// <param name="propertyBuilder">The builder for the property being configured.</param>
-        /// <param name="favorStructuralComparisons">
-        ///     If true, then EF will use ValueComparer if the type
-        ///     implements it. This is usually used when byte arrays act as keys.
-        /// </param>
-        public static PropertyBuilder<TPropertyType> ConfigureJsonConversionWithValueComparer<TPropertyType>(
-            this PropertyBuilder<TPropertyType> propertyBuilder,
-            bool favorStructuralComparisons)
-        {
-            propertyBuilder.HasConversion(
-                    d => JsonConvert.SerializeObject(d, Formatting.None),
-                    s => JsonConvert.DeserializeObject<TPropertyType>(s)
-                )
-                .Metadata.SetValueComparer(new ValueComparer<TPropertyType>(favorStructuralComparisons));
-
-            return propertyBuilder;
-        }
-
-        /// <summary>
-        /// Serialize and property attributes using json(JsonConvert).
-        /// Creates a new ValueComparer with the given comparison expression.
-        /// A shallow copy will be used for the snapshot.
-        /// </summary>
-        /// <param name="propertyBuilder">The builder for the property being configured.</param>
-        /// <param name="equalsExpression">The comparison expression.</param>
-        /// <param name="hashCodeExpression">The associated hash code generator.</param>
-        public static PropertyBuilder<TPropertyType> ConfigureJsonConversionWithValueComparer<TPropertyType>(
-            this PropertyBuilder<TPropertyType> propertyBuilder,
-            Expression<Func<TPropertyType, TPropertyType, bool>> equalsExpression,
-            Expression<Func<TPropertyType, int>> hashCodeExpression)
-        {
-            propertyBuilder.HasConversion(
-                    d => JsonConvert.SerializeObject(d, Formatting.None),
-                    s => JsonConvert.DeserializeObject<TPropertyType>(s)
-                )
-                .Metadata.SetValueComparer(new ValueComparer<TPropertyType>(
-                    equalsExpression,
-                    hashCodeExpression));
-
-            return propertyBuilder;
-        }
-
-        /// <summary>
-        /// Serialize and property attributes using json(JsonConvert).
-        /// <para>
-        ///     Creates a new ValueComparer with the given comparison and
-        ///     snapshotting expressions.
-        /// </para>
-        /// <para>
-        ///     Snapshotting is the process of creating a copy of the value into a snapshot so it can
-        ///     later be compared to determine if it has changed. For some types, such as collections,
-        ///     this needs to be a deep copy of the collection rather than just a shallow copy of the
-        ///     reference.
-        /// </para>
-        /// </summary>
-        /// <param name="propertyBuilder">The builder for the property being configured.</param>
-        /// <param name="equalsExpression">The comparison expression.</param>
-        /// <param name="hashCodeExpression">The associated hash code generator.</param>
-        /// <param name="snapshotExpression">The snapshot expression.</param>
-        public static PropertyBuilder<TPropertyType> ConfigureJsonConversionWithValueComparer<TPropertyType>(
-            this PropertyBuilder<TPropertyType> propertyBuilder,
-            Expression<Func<TPropertyType, TPropertyType, bool>> equalsExpression,
-            Expression<Func<TPropertyType, int>> hashCodeExpression,
-            Expression<Func<TPropertyType, TPropertyType>> snapshotExpression)
-        {
-            propertyBuilder.HasConversion(
-                    d => JsonConvert.SerializeObject(d, Formatting.None),
-                    s => JsonConvert.DeserializeObject<TPropertyType>(s)
-                )
-                .Metadata.SetValueComparer(new ValueComparer<TPropertyType>(
-                    equalsExpression,
-                    hashCodeExpression,
-                    snapshotExpression));
-
-            return propertyBuilder;
-        }
-    }
-}
\ No newline at end of file