7 files changed, 12 insertions, 12 deletions
diff --git a/chart2/source/tools/CachedDataSequence.cxx b/chart2/source/tools/CachedDataSequence.cxx
index dc44985589cc..6c8826701779 100644
--- a/chart2/source/tools/CachedDataSequence.cxx
+++ b/chart2/source/tools/CachedDataSequence.cxx
@@ -42,7 +42,7 @@ using ::chart::impl::CachedDataSequence_Base;
 
 namespace
 {
-const OUStringLiteral lcl_aServiceName = u"com.sun.star.comp.chart.CachedDataSequence";
+constexpr OUStringLiteral lcl_aServiceName = u"com.sun.star.comp.chart.CachedDataSequence";
 
 enum
 {
diff --git a/chart2/source/tools/ConfigColorScheme.cxx b/chart2/source/tools/ConfigColorScheme.cxx
index 466e26ae88b3..50d72a88207e 100644
--- a/chart2/source/tools/ConfigColorScheme.cxx
+++ b/chart2/source/tools/ConfigColorScheme.cxx
@@ -34,7 +34,7 @@ using ::com::sun::star::uno::Sequence;
 namespace
 {
 
-const OUStringLiteral aSeriesPropName = u"Series";
+constexpr OUStringLiteral aSeriesPropName = u"Series";
 
 } // anonymous namespace
 
diff --git a/chart2/source/tools/ErrorBar.cxx b/chart2/source/tools/ErrorBar.cxx
index 6dd803093365..d894b16a3ff4 100644
--- a/chart2/source/tools/ErrorBar.cxx
+++ b/chart2/source/tools/ErrorBar.cxx
@@ -41,7 +41,7 @@ using namespace ::com::sun::star;
 namespace
 {
 
-const OUStringLiteral lcl_aServiceName = u"com.sun.star.comp.chart2.ErrorBar";
+constexpr OUStringLiteral lcl_aServiceName = u"com.sun.star.comp.chart2.ErrorBar";
 
 bool lcl_isInternalData( const uno::Reference< chart2::data::XLabeledDataSequence > & xLSeq )
 {
diff --git a/chart2/source/tools/InternalDataProvider.cxx b/chart2/source/tools/InternalDataProvider.cxx
index abc3aea59d8f..f1bf987fa2c6 100644
--- a/chart2/source/tools/InternalDataProvider.cxx
+++ b/chart2/source/tools/InternalDataProvider.cxx
@@ -57,12 +57,12 @@ namespace chart
 namespace
 {
 
-const OUStringLiteral lcl_aCategoriesRangeName = u"categories";
+constexpr OUStringLiteral lcl_aCategoriesRangeName = u"categories";
 const char lcl_aCategoriesLevelRangeNamePrefix[] = "categoriesL "; //L <-> level
 const char lcl_aCategoriesPointRangeNamePrefix[] = "categoriesP "; //P <-> point
-const OUStringLiteral lcl_aCategoriesRoleName = u"categories";
+constexpr OUStringLiteral lcl_aCategoriesRoleName = u"categories";
 const char lcl_aLabelRangePrefix[] = "label ";
-const OUStringLiteral lcl_aCompleteRange = u"all";
+constexpr OUStringLiteral lcl_aCompleteRange = u"all";
 
 typedef std::multimap< OUString, uno::WeakReference< chart2::data::XDataSequence > >
     lcl_tSequenceMap;
diff --git a/chart2/source/tools/ReferenceSizeProvider.cxx b/chart2/source/tools/ReferenceSizeProvider.cxx
index 8e254903929e..b5b928e9e843 100644
--- a/chart2/source/tools/ReferenceSizeProvider.cxx
+++ b/chart2/source/tools/ReferenceSizeProvider.cxx
@@ -131,7 +131,7 @@ void ReferenceSizeProvider::setValuesAtPropertySet(
     if( ! xProp.is())
         return;
 
-    static const OUStringLiteral aRefSizeName = u"ReferencePageSize";
+    static constexpr OUStringLiteral aRefSizeName = u"ReferencePageSize";
 
     try
     {
diff --git a/chart2/source/tools/Scaling.cxx b/chart2/source/tools/Scaling.cxx
index b61886c643e8..e10757928a99 100644
--- a/chart2/source/tools/Scaling.cxx
+++ b/chart2/source/tools/Scaling.cxx
@@ -27,10 +27,10 @@ namespace com::sun::star::uno { class XComponentContext; }
 namespace
 {
 
-const OUStringLiteral lcl_aServiceName_Logarithmic = u"com.sun.star.chart2.LogarithmicScaling";
-const OUStringLiteral lcl_aServiceName_Exponential = u"com.sun.star.chart2.ExponentialScaling";
-const OUStringLiteral lcl_aServiceName_Linear = u"com.sun.star.chart2.LinearScaling";
-const OUStringLiteral lcl_aServiceName_Power = u"com.sun.star.chart2.PowerScaling";
+constexpr OUStringLiteral lcl_aServiceName_Logarithmic = u"com.sun.star.chart2.LogarithmicScaling";
+constexpr OUStringLiteral lcl_aServiceName_Exponential = u"com.sun.star.chart2.ExponentialScaling";
+constexpr OUStringLiteral lcl_aServiceName_Linear = u"com.sun.star.chart2.LinearScaling";
+constexpr OUStringLiteral lcl_aServiceName_Power = u"com.sun.star.chart2.PowerScaling";
 
 }
 
diff --git a/chart2/source/tools/UncachedDataSequence.cxx b/chart2/source/tools/UncachedDataSequence.cxx
index bdffa24a458d..fee4af622126 100644
--- a/chart2/source/tools/UncachedDataSequence.cxx
+++ b/chart2/source/tools/UncachedDataSequence.cxx
@@ -41,7 +41,7 @@ using ::chart::impl::UncachedDataSequence_Base;
 
 namespace
 {
-const OUStringLiteral lcl_aServiceName = u"com.sun.star.comp.chart.UncachedDataSequence";
+constexpr OUStringLiteral lcl_aServiceName = u"com.sun.star.comp.chart.UncachedDataSequence";
 
 enum
 {