Index: lldb/include/lldb/Expression/ExpressionParser.h
===================================================================
--- lldb/include/lldb/Expression/ExpressionParser.h
+++ lldb/include/lldb/Expression/ExpressionParser.h
@@ -76,17 +76,6 @@
   virtual bool Complete(CompletionRequest &request, unsigned line, unsigned pos,
                         unsigned typed_pos) = 0;
 
-  /// Parse a single expression and convert it to IR using Clang.  Don't wrap
-  /// the expression in anything at all.
-  ///
-  /// \param[in] diagnostic_manager
-  ///     The diagnostic manager in which to store the errors and warnings.
-  ///
-  /// \return
-  ///     The number of errors encountered during parsing.  0 means
-  ///     success.
-  virtual unsigned Parse(DiagnosticManager &diagnostic_manager) = 0;
-
   /// Try to use the FixIts in the diagnostic_manager to rewrite the
   /// expression.  If successful, the rewritten expression is stored in the
   /// diagnostic_manager, get it out with GetFixedExpression.
Index: lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionParser.h
===================================================================
--- lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionParser.h
+++ lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionParser.h
@@ -77,7 +77,7 @@
   /// \return
   ///     The number of errors encountered during parsing.  0 means
   ///     success.
-  unsigned Parse(DiagnosticManager &diagnostic_manager) override;
+  unsigned Parse(DiagnosticManager &diagnostic_manager);
 
   bool RewriteExpression(DiagnosticManager &diagnostic_manager) override;