diff --git a/extensions/source/abpilot/fieldmappingimpl.cxx b/extensions/source/abpilot/fieldmappingimpl.cxx
index 35314045e918..b8e8ac56686c 100644
--- a/extensions/source/abpilot/fieldmappingimpl.cxx
+++ b/extensions/source/abpilot/fieldmappingimpl.cxx
@@ -49,7 +49,7 @@ namespace abp
 
 
     const char16_t sDriverSettingsNodeName[] = u"/org.openoffice.Office.DataAccess/DriverSettings/com.sun.star.comp.sdbc.MozabDriver";
-    constexpr OUStringLiteral sAddressBookNodeName = u"/org.openoffice.Office.DataAccess/AddressBook";
+    constexpr OUString sAddressBookNodeName = u"/org.openoffice.Office.DataAccess/AddressBook"_ustr;
 
     namespace fieldmapping
     {
@@ -218,8 +218,8 @@ namespace abp
             const OUString* pExistentFields = aExistentFields.getConstArray();
             const OUString* pExistentFieldsEnd = pExistentFields + aExistentFields.getLength();
 
-            static constexpr OUStringLiteral sProgrammaticNodeName( u"ProgrammaticFieldName" );
-            static constexpr OUStringLiteral sAssignedNodeName( u"AssignedFieldName" );
+            static constexpr OUString sProgrammaticNodeName( u"ProgrammaticFieldName"_ustr );
+            static constexpr OUString sAssignedNodeName( u"AssignedFieldName"_ustr );
 
             for ( ; pExistentFields != pExistentFieldsEnd; ++pExistentFields )
             {
diff --git a/extensions/source/bibliography/bibconfig.cxx b/extensions/source/bibliography/bibconfig.cxx
index 14203ae6c346..358adf8c58c3 100644
--- a/extensions/source/bibliography/bibconfig.cxx
+++ b/extensions/source/bibliography/bibconfig.cxx
@@ -34,7 +34,7 @@ using namespace ::com::sun::star::lang;
 using namespace ::com::sun::star::sdb;
 
 
-constexpr OUStringLiteral cDataSourceHistory = u"DataSourceHistory";
+constexpr OUString cDataSourceHistory = u"DataSourceHistory"_ustr;
 
 Sequence<OUString> const & BibConfig::GetPropertyNames()
 {
diff --git a/extensions/source/bibliography/datman.cxx b/extensions/source/bibliography/datman.cxx
index 4f20e997cc24..a15a3e889c18 100644
--- a/extensions/source/bibliography/datman.cxx
+++ b/extensions/source/bibliography/datman.cxx
@@ -73,7 +73,7 @@ using namespace ::com::sun::star::lang;
 
 // PropertyNames
 constexpr OUStringLiteral FM_PROP_LABEL = u"Label";
-constexpr OUStringLiteral FM_PROP_CONTROLSOURCE = u"DataField";
+constexpr OUString FM_PROP_CONTROLSOURCE = u"DataField"_ustr;
 constexpr OUStringLiteral FM_PROP_NAME = u"Name";
 
 static Reference< XConnection > getConnection(const OUString& _rURL)
diff --git a/extensions/source/dbpilots/gridwizard.cxx b/extensions/source/dbpilots/gridwizard.cxx
index c084eda7b364..99507008870d 100644
--- a/extensions/source/dbpilots/gridwizard.cxx
+++ b/extensions/source/dbpilots/gridwizard.cxx
@@ -93,8 +93,8 @@ namespace dbp
         if (!xColumnFactory.is() || !xColumnContainer.is())
             return;
 
-        static constexpr OUStringLiteral s_sMouseWheelBehavior = u"MouseWheelBehavior";
-        static constexpr OUStringLiteral s_sEmptyString = u"";
+        static constexpr OUString s_sMouseWheelBehavior = u"MouseWheelBehavior"_ustr;
+        static constexpr OUString s_sEmptyString = u""_ustr;
 
         // collect "descriptors" for the to-be-created (grid)columns
         std::vector< OUString > aColumnServiceNames;  // service names to be used with the XGridColumnFactory
diff --git a/extensions/source/dbpilots/optiongrouplayouter.cxx b/extensions/source/dbpilots/optiongrouplayouter.cxx
index 499a7b783bcf..c35b0cefc8d7 100644
--- a/extensions/source/dbpilots/optiongrouplayouter.cxx
+++ b/extensions/source/dbpilots/optiongrouplayouter.cxx
@@ -189,7 +189,7 @@ namespace dbp
 
     void OOptionGroupLayouter::implAnchorShape(const Reference< XPropertySet >& _rxShapeProps)
     {
-        static constexpr OUStringLiteral s_sAnchorPropertyName = u"AnchorType";
+        static constexpr OUString s_sAnchorPropertyName = u"AnchorType"_ustr;
         Reference< XPropertySetInfo > xPropertyInfo;
         if (_rxShapeProps.is())
             xPropertyInfo = _rxShapeProps->getPropertySetInfo();
diff --git a/extensions/source/logging/csvformatter.cxx b/extensions/source/logging/csvformatter.cxx
index c495bbe1ea95..a9ea13f208ca 100644
--- a/extensions/source/logging/csvformatter.cxx
+++ b/extensions/source/logging/csvformatter.cxx
@@ -90,7 +90,7 @@ namespace
 {
     const sal_Unicode quote_char = '"';
     const sal_Unicode comma_char = ',';
-    constexpr OUStringLiteral dos_newline = u"\r\n";
+    constexpr OUString dos_newline = u"\r\n"_ustr;
 
     bool needsQuoting(std::u16string_view str)
     {
diff --git a/extensions/source/update/check/updatecheck.cxx b/extensions/source/update/check/updatecheck.cxx
index 1cac902eaccb..395d90444ed6 100644
--- a/extensions/source/update/check/updatecheck.cxx
+++ b/extensions/source/update/check/updatecheck.cxx
@@ -65,7 +65,7 @@ constexpr OUStringLiteral PROPERTY_TITLE = u"BubbleHeading";
 constexpr OUStringLiteral PROPERTY_TEXT = u"BubbleText";
 constexpr OUStringLiteral PROPERTY_SHOW_BUBBLE = u"BubbleVisible";
 constexpr OUStringLiteral PROPERTY_CLICK_HDL = u"MenuClickHDL";
-constexpr OUStringLiteral PROPERTY_SHOW_MENUICON = u"MenuIconVisible";
+constexpr OUString PROPERTY_SHOW_MENUICON = u"MenuIconVisible"_ustr;
 
 // Returns the URL of the release note for the given position
 OUString getReleaseNote(const UpdateInfo& rInfo, sal_uInt8 pos, bool autoDownloadEnabled)
diff --git a/extensions/source/update/check/updatehdl.cxx b/extensions/source/update/check/updatehdl.cxx
index ed2261b4ec14..299a4f215f49 100644
--- a/extensions/source/update/check/updatehdl.cxx
+++ b/extensions/source/update/check/updatehdl.cxx
@@ -64,20 +64,20 @@
 #include <tools/urlobj.hxx>
 #include <comphelper/diagnose_ex.hxx>
 
-constexpr OUStringLiteral COMMAND_CLOSE = u"close";
+constexpr OUString COMMAND_CLOSE = u"close"_ustr;
 
-constexpr OUStringLiteral CTRL_THROBBER = u"throbber";
-constexpr OUStringLiteral CTRL_PROGRESS = u"progress";
+constexpr OUString CTRL_THROBBER = u"throbber"_ustr;
+constexpr OUString CTRL_PROGRESS = u"progress"_ustr;
 
-constexpr OUStringLiteral TEXT_STATUS = u"text_status";
-constexpr OUStringLiteral TEXT_PERCENT = u"text_percent";
-constexpr OUStringLiteral TEXT_DESCRIPTION = u"text_description";
+constexpr OUString TEXT_STATUS = u"text_status"_ustr;
+constexpr OUString TEXT_PERCENT = u"text_percent"_ustr;
+constexpr OUString TEXT_DESCRIPTION = u"text_description"_ustr;
 
 constexpr OUStringLiteral FIXED_LINE_MODEL = u"com.sun.star.awt.UnoControlFixedLineModel";
-constexpr OUStringLiteral FIXED_TEXT_MODEL = u"com.sun.star.awt.UnoControlFixedTextModel";
-constexpr OUStringLiteral EDIT_FIELD_MODEL = u"com.sun.star.awt.UnoControlEditModel";
-constexpr OUStringLiteral BUTTON_MODEL = u"com.sun.star.awt.UnoControlButtonModel";
-constexpr OUStringLiteral GROUP_BOX_MODEL = u"com.sun.star.awt.UnoControlGroupBoxModel";
+constexpr OUString FIXED_TEXT_MODEL = u"com.sun.star.awt.UnoControlFixedTextModel"_ustr;
+constexpr OUString EDIT_FIELD_MODEL = u"com.sun.star.awt.UnoControlEditModel"_ustr;
+constexpr OUString BUTTON_MODEL = u"com.sun.star.awt.UnoControlButtonModel"_ustr;
+constexpr OUString GROUP_BOX_MODEL = u"com.sun.star.awt.UnoControlGroupBoxModel"_ustr;
 
 using namespace com::sun::star;
 
diff --git a/extensions/source/update/ui/updatecheckui.cxx b/extensions/source/update/ui/updatecheckui.cxx
index f7f1f011363b..492cb92669ab 100644
--- a/extensions/source/update/ui/updatecheckui.cxx
+++ b/extensions/source/update/ui/updatecheckui.cxx
@@ -39,12 +39,12 @@
 
 #include <bitmaps.hlst>
 
-constexpr OUStringLiteral PROPERTY_TITLE = u"BubbleHeading";
-constexpr OUStringLiteral PROPERTY_TEXT = u"BubbleText";
-constexpr OUStringLiteral PROPERTY_IMAGE = u"BubbleImageURL";
-constexpr OUStringLiteral PROPERTY_SHOW_BUBBLE = u"BubbleVisible";
-constexpr OUStringLiteral PROPERTY_CLICK_HDL = u"MenuClickHDL";
-constexpr OUStringLiteral PROPERTY_SHOW_MENUICON = u"MenuIconVisible";
+constexpr OUString PROPERTY_TITLE = u"BubbleHeading"_ustr;
+constexpr OUString PROPERTY_TEXT = u"BubbleText"_ustr;
+constexpr OUString PROPERTY_IMAGE = u"BubbleImageURL"_ustr;
+constexpr OUString PROPERTY_SHOW_BUBBLE = u"BubbleVisible"_ustr;
+constexpr OUString PROPERTY_CLICK_HDL = u"MenuClickHDL"_ustr;
+constexpr OUString PROPERTY_SHOW_MENUICON = u"MenuIconVisible"_ustr;
 
 using namespace ::com::sun::star;