1 files changed, 2 insertions, 6 deletions
diff --git a/chart2/source/inc/ExponentialRegressionCurveCalculator.hxx b/chart2/source/inc/ExponentialRegressionCurveCalculator.hxx
index ba08bb13dfd1..c929ac80cd73 100644
--- a/chart2/source/inc/ExponentialRegressionCurveCalculator.hxx
+++ b/chart2/source/inc/ExponentialRegressionCurveCalculator.hxx
@@ -16,15 +16,14 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#ifndef INCLUDED_CHART2_SOURCE_INC_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX
-#define INCLUDED_CHART2_SOURCE_INC_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX
+#pragma once
 
 #include "RegressionCurveCalculator.hxx"
 
 namespace chart
 {
 
-class ExponentialRegressionCurveCalculator : public RegressionCurveCalculator
+class ExponentialRegressionCurveCalculator final : public RegressionCurveCalculator
 {
 public:
     ExponentialRegressionCurveCalculator();
@@ -60,7 +59,4 @@ private:
 
 } //  namespace chart
 
-// INCLUDED_CHART2_SOURCE_INC_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */