diff --git a/src/NHibernate.Test/Async/NHSpecificTest/GH2028/TempReattachedChildFixture.cs b/src/NHibernate.Test/Async/NHSpecificTest/GH2028/TempReattachedChildFixture.cs
new file mode 100644
index 0000000000..4d469b7fba
--- /dev/null
+++ b/src/NHibernate.Test/Async/NHSpecificTest/GH2028/TempReattachedChildFixture.cs
@@ -0,0 +1,63 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by AsyncGenerator.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+
+using System.Collections.Generic;
+using NUnit.Framework;
+
+namespace NHibernate.Test.NHSpecificTest.GH2028
+{
+	using System.Threading.Tasks;
+	[TestFixture]
+	public class TempReattachedChildFixtureAsync : BugTestCase
+	{
+		protected override void OnTearDown()
+		{
+			using (ISession session = OpenSession())
+			using (ITransaction transaction = session.BeginTransaction())
+			{
+				session.Delete("from System.Object");
+
+				session.Flush();
+				transaction.Commit();
+			}
+		}
+
+		[Test]
+		public async Task WhenRemoveTempChild_ChildShouldNotInsertAsync()
+		{
+			Book book = null;
+			Word word = null;
+			using (var s = OpenSession())
+			using (var tr = s.BeginTransaction())
+			{
+				book = new Book { Id = 1 };
+				book.Words = new List<Word> { new Word { Id = 1, Parent = book } };
+				await (s.SaveAsync(book));
+				await (tr.CommitAsync());
+			}
+
+			word = new Word { Id = 2, Parent = book };
+			book.Words.Add(word);
+
+			using (var s = OpenSession())
+			using (var tr = s.BeginTransaction())
+			{
+				await (s.UpdateAsync(book));
+				book.Words.Remove(word);
+				using (var sl = new SqlLogSpy())
+				{
+					await (tr.CommitAsync());
+					var logs = sl.GetWholeLog();
+					Assert.That(logs, Does.Not.Contain("INSERT \n    INTO\n        Word").IgnoreCase, "Сollection record should not be inserted");
+				}
+			}
+		}
+	}
+}
diff --git a/src/NHibernate.Test/NHSpecificTest/GH2028/Book.cs b/src/NHibernate.Test/NHSpecificTest/GH2028/Book.cs
new file mode 100644
index 0000000000..4d5f192876
--- /dev/null
+++ b/src/NHibernate.Test/NHSpecificTest/GH2028/Book.cs
@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+
+namespace NHibernate.Test.NHSpecificTest.GH2028
+{
+	public class Book
+	{
+		public virtual int Id { get; set; }
+		public virtual string Name { get; set; }
+		public virtual IList<Word> Words { get; set; }
+	}
+}
diff --git a/src/NHibernate.Test/NHSpecificTest/GH2028/Mappings.hbm.xml b/src/NHibernate.Test/NHSpecificTest/GH2028/Mappings.hbm.xml
new file mode 100644
index 0000000000..0ac20daa16
--- /dev/null
+++ b/src/NHibernate.Test/NHSpecificTest/GH2028/Mappings.hbm.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" 
+					assembly="NHibernate.Test" 
+					namespace="NHibernate.Test.NHSpecificTest.GH2028">
+	
+	<class name="Book">
+		<cache usage="nonstrict-read-write" include="non-lazy" />
+		<id name="Id">
+			<generator class="assigned" />
+		</id>
+		<property name="Name" />
+    <bag name="Words" inverse="true" generic="true" cascade="all-delete-orphan" lazy="false" >
+      <key column="ParentId" />
+      <one-to-many class="Word" />
+    </bag>
+	</class>
+
+  <class name="Word">
+    <id name="Id" column="Id">
+      <generator class="assigned" />
+    </id>
+    <many-to-one name="Parent" class="Book" column="ParentId" />
+  </class>
+
+</hibernate-mapping>
diff --git a/src/NHibernate.Test/NHSpecificTest/GH2028/TempReattachedChildFixture.cs b/src/NHibernate.Test/NHSpecificTest/GH2028/TempReattachedChildFixture.cs
new file mode 100644
index 0000000000..039cf6c693
--- /dev/null
+++ b/src/NHibernate.Test/NHSpecificTest/GH2028/TempReattachedChildFixture.cs
@@ -0,0 +1,52 @@
+using System.Collections.Generic;
+using NUnit.Framework;
+
+namespace NHibernate.Test.NHSpecificTest.GH2028
+{
+	[TestFixture]
+	public class TempReattachedChildFixture : BugTestCase
+	{
+		protected override void OnTearDown()
+		{
+			using (ISession session = OpenSession())
+			using (ITransaction transaction = session.BeginTransaction())
+			{
+				session.Delete("from System.Object");
+
+				session.Flush();
+				transaction.Commit();
+			}
+		}
+
+		[Test]
+		public void WhenRemoveTempChild_ChildShouldNotInsert()
+		{
+			Book book = null;
+			Word word = null;
+			using (var s = OpenSession())
+			using (var tr = s.BeginTransaction())
+			{
+				book = new Book { Id = 1 };
+				book.Words = new List<Word> { new Word { Id = 1, Parent = book } };
+				s.Save(book);
+				tr.Commit();
+			}
+
+			word = new Word { Id = 2, Parent = book };
+			book.Words.Add(word);
+
+			using (var s = OpenSession())
+			using (var tr = s.BeginTransaction())
+			{
+				s.Update(book);
+				book.Words.Remove(word);
+				using (var sl = new SqlLogSpy())
+				{
+					tr.Commit();
+					var logs = sl.GetWholeLog();
+					Assert.That(logs, Does.Not.Contain("INSERT \n    INTO\n        Word").IgnoreCase, "Сollection record should not be inserted");
+				}
+			}
+		}
+	}
+}
diff --git a/src/NHibernate.Test/NHSpecificTest/GH2028/Word.cs b/src/NHibernate.Test/NHSpecificTest/GH2028/Word.cs
new file mode 100644
index 0000000000..90bb79d300
--- /dev/null
+++ b/src/NHibernate.Test/NHSpecificTest/GH2028/Word.cs
@@ -0,0 +1,9 @@
+namespace NHibernate.Test.NHSpecificTest.GH2028
+{
+	public class Word
+	{
+		public virtual int Id { get; set; }
+		public virtual byte[] Content { get; set; }
+		public virtual Book Parent { get; set; }
+	}
+}