diff --git a/src/Main/Base/Project/Dom/IMemberModel.cs b/src/Main/Base/Project/Dom/IMemberModel.cs
index 10c79d5be2..ce7cacc477 100644
--- a/src/Main/Base/Project/Dom/IMemberModel.cs
+++ b/src/Main/Base/Project/Dom/IMemberModel.cs
@@ -24,11 +24,6 @@ namespace ICSharpCode.SharpDevelop.Dom
 		/// </summary>
 		new IMember Resolve(ISolutionSnapshotWithProjectMapping solutionSnapshot);
 		
-		/// <summary>
-		/// Updates the member model with the specified new member.
-		/// </summary>
-		void Update(IUnresolvedMember newMember);
-		
 		/// <summary>
 		/// Gets if the member is virtual. Is true only if the "virtual" modifier was used, but non-virtual
 		/// members can be overridden, too; if they are abstract or overriding a method.
diff --git a/src/Main/Base/Project/Dom/ITypeDefinitionModel.cs b/src/Main/Base/Project/Dom/ITypeDefinitionModel.cs
index 133c540efc..8a86f2d7a1 100644
--- a/src/Main/Base/Project/Dom/ITypeDefinitionModel.cs
+++ b/src/Main/Base/Project/Dom/ITypeDefinitionModel.cs
@@ -38,12 +38,6 @@ namespace ICSharpCode.SharpDevelop.Dom
 		/// </summary>
 		ITypeDefinitionModel GetNestedType(string name, int additionalTypeParameterCount);
 		
-		/// <summary>
-		/// Updates this type definition model by replacing oldPart with newPart.
-		/// Either oldPart or newPart may be null when adding/removed a part.
-		/// </summary>
-		void Update(IUnresolvedTypeDefinition oldPart, IUnresolvedTypeDefinition newPart);
-		
 		bool IsPartial { get; }
 	}
 }
diff --git a/src/Main/SharpDevelop/Dom/MemberModel.cs b/src/Main/SharpDevelop/Dom/MemberModel.cs
index 48a2b79861..6eeb57d6a8 100644
--- a/src/Main/SharpDevelop/Dom/MemberModel.cs
+++ b/src/Main/SharpDevelop/Dom/MemberModel.cs
@@ -39,6 +39,9 @@ namespace ICSharpCode.SharpDevelop.Dom
 		
 		public event PropertyChangedEventHandler PropertyChanged { add {} remove {} }
 		
+		/// <summary>
+		/// Updates the member model with the specified new member.
+		/// </summary>
 		public void Update(IUnresolvedMember newMember)
 		{
 			if (newMember == null)
diff --git a/src/Main/SharpDevelop/Dom/TypeDefinitionModel.cs b/src/Main/SharpDevelop/Dom/TypeDefinitionModel.cs
index 67e518a7e1..c729f72de3 100644
--- a/src/Main/SharpDevelop/Dom/TypeDefinitionModel.cs
+++ b/src/Main/SharpDevelop/Dom/TypeDefinitionModel.cs
@@ -274,6 +274,10 @@ namespace ICSharpCode.SharpDevelop.Dom
 		#endregion
 		
 		#region Update
+		/// <summary>
+		/// Updates this type definition model by replacing oldPart with newPart.
+		/// Either oldPart or newPart may be null when adding/removed a part.
+		/// </summary>
 		public void Update(IUnresolvedTypeDefinition oldPart, IUnresolvedTypeDefinition newPart)
 		{
 			SD.MainThread.VerifyAccess();