Simplify.'

src/Workspaces/CSharp/Portable/LanguageServices/CSharpSyntaxFactsService.cs

@@ -625,26 +625,6 @@ public bool IsConditionalAccessExpression(SyntaxNode node)
             whenNotNull = conditionalAccess.WhenNotNull;
         }
 
-        public bool IsPostfixUnaryExpression(SyntaxNode node)
-            => node is PostfixUnaryExpressionSyntax;
-
-        public void GetPartsOfPostfixUnaryExpression(SyntaxNode node, out SyntaxNode operand, out SyntaxToken operatorToken)
-        {
-            var expression = (PostfixUnaryExpressionSyntax)node;
-            operand = expression.Operand;
-            operatorToken = expression.OperatorToken;
-        }
-
-        public bool IsMemberBindingExpression(SyntaxNode node)
-            => node is MemberBindingExpressionSyntax;
-
-        public void GetPartsOfMemberBindingExpression(SyntaxNode node, out SyntaxToken operatorToken, out SyntaxNode name)
-        {
-            var memberBinding = (MemberBindingExpressionSyntax)node;
-            operatorToken = memberBinding.OperatorToken;
-            name = memberBinding.Name;
-        }
-
         public bool IsPointerMemberAccessExpression(SyntaxNode node)
             => (node as MemberAccessExpressionSyntax)?.Kind() == SyntaxKind.PointerMemberAccessExpression;
 

src/Workspaces/Core/Portable/LanguageServices/SyntaxFactsService/ISyntaxFactsService.cs

@@ -212,12 +212,6 @@ internal interface ISyntaxFactsService : ILanguageService
         bool IsConditionalAccessExpression(SyntaxNode node);
         void GetPartsOfConditionalAccessExpression(SyntaxNode node, out SyntaxNode expression, out SyntaxToken operatorToken, out SyntaxNode whenNotNull);
 
-        bool IsMemberBindingExpression(SyntaxNode node);
-        void GetPartsOfMemberBindingExpression(SyntaxNode node, out SyntaxToken operatorToken, out SyntaxNode name);
-
-        bool IsPostfixUnaryExpression(SyntaxNode node);
-        void GetPartsOfPostfixUnaryExpression(SyntaxNode node, out SyntaxNode operand, out SyntaxToken operatorToken);
-
         bool IsParenthesizedExpression(SyntaxNode node);
         SyntaxNode GetExpressionOfParenthesizedExpression(SyntaxNode node);
 

src/Workspaces/VisualBasic/Portable/LanguageServices/VisualBasicSyntaxFactsService.vb

@@ -1867,22 +1867,5 @@ Namespace Microsoft.CodeAnalysis.VisualBasic
             expression = invocation.Expression
             argumentList = invocation.ArgumentList
         End Sub
-
-        Public Function IsPostfixUnaryExpression(node As SyntaxNode) As Boolean Implements ISyntaxFactsService.IsPostfixUnaryExpression
-            ' Does not exist in VB.
-            Return False
-        End Function
-
-        Public Sub GetPartsOfPostfixUnaryExpression(node As SyntaxNode, ByRef operand As SyntaxNode, ByRef operatorToken As SyntaxToken) Implements ISyntaxFactsService.GetPartsOfPostfixUnaryExpression
-            Throw ExceptionUtilities.UnexpectedValue(node.Kind())
-        End Sub
-
-        Public Function IsMemberBindingExpression(node As SyntaxNode) As Boolean Implements ISyntaxFactsService.IsMemberBindingExpression
-            Return False
-        End Function
-
-        Public Sub GetPartsOfMemberBindingExpression(node As SyntaxNode, ByRef dotToken As SyntaxToken, ByRef name As SyntaxNode) Implements ISyntaxFactsService.GetPartsOfMemberBindingExpression
-            Throw ExceptionUtilities.UnexpectedValue(node.Kind())
-        End Sub
     End Class
 End Namespace