diff --git a/desktop/source/migration/migration.cxx b/desktop/source/migration/migration.cxx
index 1b4115af805c..d4edf4f826f0 100644
--- a/desktop/source/migration/migration.cxx
+++ b/desktop/source/migration/migration.cxx
@@ -126,50 +126,50 @@ static const char ITEM_DESCRIPTOR_LABEL[] = "Label";
     ::rtl::OUString sIdentifier;
 
     if ( sShortName == "StartModule" )
-        sIdentifier = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.frame.StartModule"));
+        sIdentifier = "com.sun.star.frame.StartModule";
 
     else if ( sShortName == "swriter" )
-        sIdentifier = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.text.TextDocument"));
+        sIdentifier = "com.sun.star.text.TextDocument";
 
     else if ( sShortName == "scalc" )
-        sIdentifier = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.sheet.SpreadsheetDocument"));
+        sIdentifier = "com.sun.star.sheet.SpreadsheetDocument";
 
     else if ( sShortName == "sdraw" )
-        sIdentifier = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.drawing.DrawingDocument"));
+        sIdentifier = "com.sun.star.drawing.DrawingDocument";
 
     else if ( sShortName == "simpress" )
-        sIdentifier = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.presentation.PresentationDocument"));
+        sIdentifier = "com.sun.star.presentation.PresentationDocument";
 
     else if ( sShortName == "smath" )
-        sIdentifier = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.formula.FormulaProperties"));
+        sIdentifier = "com.sun.star.formula.FormulaProperties";
 
     else if ( sShortName == "schart" )
-        sIdentifier = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.chart2.ChartDocument"));
+        sIdentifier = "com.sun.star.chart2.ChartDocument";
 
     else if ( sShortName == "BasicIDE" )
-        sIdentifier = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.script.BasicIDE"));
+        sIdentifier = "com.sun.star.script.BasicIDE";
 
     else if ( sShortName == "dbapp" )
-        sIdentifier = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.sdb.OfficeDatabaseDocument"));
+        sIdentifier = "com.sun.star.sdb.OfficeDatabaseDocument";
 
     else if ( sShortName == "sglobal" )
-        sIdentifier = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.text.GlobalDocument"));
+        sIdentifier = "com.sun.star.text.GlobalDocument";
 
     else if ( sShortName == "sweb" )
-        sIdentifier = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.text.WebDocument"));
+        sIdentifier = "com.sun.star.text.WebDocument";
 
     else if ( sShortName == "swxform" )
-        sIdentifier = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.xforms.XMLFormDocument"));
+        sIdentifier = "com.sun.star.xforms.XMLFormDocument";
 
     else if ( sShortName == "sbibliography" )
-        sIdentifier = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.frame.Bibliography"));
+        sIdentifier = "com.sun.star.frame.Bibliography";
 
     return sIdentifier;
 }
 
 bool MigrationImpl::alreadyMigrated()
 {
-    rtl::OUString MIGRATION_STAMP_NAME(RTL_CONSTASCII_USTRINGPARAM("/MIGRATED"));
+    rtl::OUString MIGRATION_STAMP_NAME("/MIGRATED");
     rtl::OUString aStr = m_aInfo.userdata + MIGRATION_STAMP_NAME;
     File aFile(aStr);
     // create migration stamp, and/or check its existence
@@ -249,8 +249,8 @@ sal_Bool MigrationImpl::doMigration()
 
         copyFiles();
 
-        const ::rtl::OUString sMenubarResourceURL(RTL_CONSTASCII_USTRINGPARAM("private:resource/menubar/menubar"));
-        const ::rtl::OUString sToolbarResourcePre(RTL_CONSTASCII_USTRINGPARAM("private:resource/toolbar/"));
+        const ::rtl::OUString sMenubarResourceURL("private:resource/menubar/menubar");
+        const ::rtl::OUString sToolbarResourcePre("private:resource/toolbar/");
         for (sal_uInt32 i=0; i<vModulesInfo.size(); ++i)
         {
             ::rtl::OUString sModuleIdentifier = mapModuleShortNameToIdentifier(vModulesInfo[i].sModuleShortName);
@@ -258,14 +258,14 @@ sal_Bool MigrationImpl::doMigration()
                 continue;
 
             uno::Sequence< uno::Any > lArgs(2);
-            ::rtl::OUString aOldCfgDataPath = m_aInfo.userdata + ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("/user/config/soffice.cfg/modules/"));
+            ::rtl::OUString aOldCfgDataPath = m_aInfo.userdata + ::rtl::OUString("/user/config/soffice.cfg/modules/");
             lArgs[0] <<= aOldCfgDataPath + vModulesInfo[i].sModuleShortName;
             lArgs[1] <<= embed::ElementModes::READ;
 
             uno::Reference< lang::XSingleServiceFactory > xStorageFactory(
                      embed::FileSystemStorageFactory::create(comphelper::getComponentContext(m_xFactory)));
             uno::Reference< embed::XStorage >             xModules(xStorageFactory->createInstanceWithArguments(lArgs), uno::UNO_QUERY);
-            uno::Reference< ui::XUIConfigurationManager > xOldCfgManager( m_xFactory->createInstance( rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.ui.UIConfigurationManager"))), uno::UNO_QUERY );
+            uno::Reference< ui::XUIConfigurationManager > xOldCfgManager( m_xFactory->createInstance("com.sun.star.ui.UIConfigurationManager"), uno::UNO_QUERY );
             uno::Reference< ui::XUIConfigurationStorage > xOldCfgStorage( xOldCfgManager, uno::UNO_QUERY );
             uno::Reference< ui::XUIConfigurationPersistence > xOldCfgPersistence( xOldCfgManager, uno::UNO_QUERY );
 
@@ -342,7 +342,7 @@ void MigrationImpl::setMigrationCompleted()
     try
     {
         uno::Reference< XPropertySet > aPropertySet(getConfigAccess("org.openoffice.Setup/Office", true), uno::UNO_QUERY_THROW);
-        aPropertySet->setPropertyValue(OUString(RTL_CONSTASCII_USTRINGPARAM("MigrationCompleted")), uno::makeAny(sal_True));
+        aPropertySet->setPropertyValue("MigrationCompleted", uno::makeAny(sal_True));
         uno::Reference< XChangesBatch >(aPropertySet, uno::UNO_QUERY_THROW)->commitChanges();
     }
     catch (...)
@@ -357,8 +357,7 @@ bool MigrationImpl::checkMigrationCompleted()
     try {
         uno::Reference< XPropertySet > aPropertySet(
             getConfigAccess("org.openoffice.Setup/Office"), uno::UNO_QUERY_THROW);
-        aPropertySet->getPropertyValue(
-            OUString(RTL_CONSTASCII_USTRINGPARAM("MigrationCompleted"))) >>= bMigrationCompleted;
+        aPropertySet->getPropertyValue("MigrationCompleted") >>= bMigrationCompleted;
 
         if( !bMigrationCompleted && getenv("SAL_DISABLE_USERMIGRATION" ) )
         {
@@ -400,8 +399,8 @@ bool MigrationImpl::readAvailableMigrations(migrations_available& rAvailableMigr
     uno::Reference< XNameAccess > aMigrationAccess(getConfigAccess("org.openoffice.Setup/Migration/SupportedVersions"), uno::UNO_QUERY_THROW);
     uno::Sequence< OUString > seqSupportedVersions = aMigrationAccess->getElementNames();
 
-    const OUString aVersionIdentifiers( RTL_CONSTASCII_USTRINGPARAM( "VersionIdentifiers" ));
-    const OUString aPriorityIdentifier( RTL_CONSTASCII_USTRINGPARAM( "Priority" ));
+    const OUString aVersionIdentifiers( "VersionIdentifiers" );
+    const OUString aPriorityIdentifier( "Priority" );
 
     for (sal_Int32 i=0; i<seqSupportedVersions.getLength(); i++)
     {
@@ -432,7 +431,7 @@ migrations_vr MigrationImpl::readMigrationSteps(const ::rtl::OUString& rMigratio
 
     // get migration description from from org.openoffice.Setup/Migration
     // and build vector of migration steps
-    OUString aMigrationSteps( RTL_CONSTASCII_USTRINGPARAM( "MigrationSteps" ));
+    OUString aMigrationSteps( "MigrationSteps" );
     uno::Reference< XNameAccess > theNameAccess(xMigrationData->getByName(aMigrationSteps), uno::UNO_QUERY_THROW);
     uno::Sequence< OUString > seqMigrations = theNameAccess->getElementNames();
     uno::Reference< XNameAccess > tmpAccess;
@@ -448,7 +447,7 @@ migrations_vr MigrationImpl::readMigrationSteps(const ::rtl::OUString& rMigratio
 
         // read included files from current step description
         ::rtl::OUString aSeqEntry;
-        if (tmpAccess->getByName(OUString(RTL_CONSTASCII_USTRINGPARAM("IncludedFiles"))) >>= tmpSeq)
+        if (tmpAccess->getByName("IncludedFiles") >>= tmpSeq)
         {
             for (sal_Int32 j=0; j<tmpSeq.getLength(); j++)
             {
@@ -458,35 +457,35 @@ migrations_vr MigrationImpl::readMigrationSteps(const ::rtl::OUString& rMigratio
         }
 
         // exluded files...
-        if (tmpAccess->getByName(OUString(RTL_CONSTASCII_USTRINGPARAM("ExcludedFiles"))) >>= tmpSeq)
+        if (tmpAccess->getByName("ExcludedFiles") >>= tmpSeq)
         {
             for (sal_Int32 j=0; j<tmpSeq.getLength(); j++)
                 tmpStep.excludeFiles.push_back(tmpSeq[j]);
         }
 
         // included nodes...
-        if (tmpAccess->getByName(OUString(RTL_CONSTASCII_USTRINGPARAM("IncludedNodes"))) >>= tmpSeq)
+        if (tmpAccess->getByName("IncludedNodes") >>= tmpSeq)
         {
             for (sal_Int32 j=0; j<tmpSeq.getLength(); j++)
                 tmpStep.includeConfig.push_back(tmpSeq[j]);
         }
 
         // excluded nodes...
-        if (tmpAccess->getByName(OUString(RTL_CONSTASCII_USTRINGPARAM("ExcludedNodes"))) >>= tmpSeq)
+        if (tmpAccess->getByName("ExcludedNodes") >>= tmpSeq)
         {
             for (sal_Int32 j=0; j<tmpSeq.getLength(); j++)
                 tmpStep.excludeConfig.push_back(tmpSeq[j]);
         }
 
         // included extensions...
-        if (tmpAccess->getByName(OUString(RTL_CONSTASCII_USTRINGPARAM("IncludedExtensions"))) >>= tmpSeq)
+        if (tmpAccess->getByName("IncludedExtensions") >>= tmpSeq)
         {
             for (sal_Int32 j=0; j<tmpSeq.getLength(); j++)
                 tmpStep.includeExtensions.push_back(tmpSeq[j]);
         }
 
         // excluded extensions...
-        if (tmpAccess->getByName(OUString(RTL_CONSTASCII_USTRINGPARAM("ExcludedExtensions"))) >>= tmpSeq)
+        if (tmpAccess->getByName("ExcludedExtensions") >>= tmpSeq)
         {
             for (sal_Int32 j=0; j<tmpSeq.getLength(); j++)
             {
@@ -496,7 +495,7 @@ migrations_vr MigrationImpl::readMigrationSteps(const ::rtl::OUString& rMigratio
         }
 
         // generic service
-        tmpAccess->getByName(OUString(RTL_CONSTASCII_USTRINGPARAM("MigrationService"))) >>= tmpStep.service;
+        tmpAccess->getByName("MigrationService") >>= tmpStep.service;
 
         vrMigrations->push_back(tmpStep);
     }
@@ -790,7 +789,7 @@ void MigrationImpl::copyConfig() {
     // check if the shared registrymodifications.xcu file exists
     bool bRegistryModificationsXcuExists = false;
     rtl::OUString regFilePath(m_aInfo.userdata);
-    regFilePath += ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("/user/registrymodifications.xcu"));
+    regFilePath += "/user/registrymodifications.xcu";
     File regFile(regFilePath);
     ::osl::FileBase::RC nError = regFile.open(osl_File_OpenFlag_Read);
     if ( nError == ::osl::FileBase::E_None ) {
@@ -805,7 +804,7 @@ void MigrationImpl::copyConfig() {
                 // the configuration is split in many registry files
                 // determine the file names from the first element in included paths
                 rtl::OUStringBuffer buf(m_aInfo.userdata);
-                buf.appendAscii(RTL_CONSTASCII_STRINGPARAM("/user/registry/data"));
+                buf.appendAscii("/user/registry/data");
                 sal_Int32 n = 0;
                 do {
                     rtl::OUString seg(i->first.getToken(0, '.', n));
@@ -824,7 +823,7 @@ void MigrationImpl::copyConfig() {
                     buf.append(sal_Unicode('/'));
                     buf.append(enc);
                 } while (n >= 0);
-                buf.appendAscii(RTL_CONSTASCII_STRINGPARAM(".xcu"));
+                buf.appendAscii(".xcu");
                 regFilePath = buf.toString();
             }
             configuration::Update::get(
@@ -883,9 +882,9 @@ uno::Reference< XNameAccess > MigrationImpl::getConfigAccess(const sal_Char* pPa
     try{
         OUString sAccessSrvc;
         if (bUpdate)
-            sAccessSrvc = OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.configuration.ConfigurationUpdateAccess"));
+            sAccessSrvc = "com.sun.star.configuration.ConfigurationUpdateAccess";
         else
-            sAccessSrvc = OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.configuration.ConfigurationAccess"));
+            sAccessSrvc = "com.sun.star.configuration.ConfigurationAccess";
 
         OUString sConfigURL = OUString::createFromAscii(pPath);
 
@@ -956,11 +955,9 @@ void MigrationImpl::runServices()
 {
     // Build argument array
     uno::Sequence< uno::Any > seqArguments(3);
-    seqArguments[0] = uno::makeAny(NamedValue(
-        OUString(RTL_CONSTASCII_USTRINGPARAM("Productname")),
+    seqArguments[0] = uno::makeAny(NamedValue("Productname",
         uno::makeAny(m_aInfo.productname)));
-    seqArguments[1] = uno::makeAny(NamedValue(
-        OUString(RTL_CONSTASCII_USTRINGPARAM("UserData")),
+    seqArguments[1] = uno::makeAny(NamedValue("UserData",
         uno::makeAny(m_aInfo.userdata)));
 
 
@@ -982,8 +979,7 @@ void MigrationImpl::runServices()
                 if ( nSize > 0 )
                     seqExtBlackList = comphelper::arrayToSequence< ::rtl::OUString >(
                         &i_mig->excludeExtensions[0], nSize );
-                seqArguments[2] = uno::makeAny(NamedValue(
-                    OUString(RTL_CONSTASCII_USTRINGPARAM("ExtensionBlackList")),
+                seqArguments[2] = uno::makeAny(NamedValue("ExtensionBlackList",
                     uno::makeAny( seqExtBlackList )));
 
                 xMigrationJob = uno::Reference< XJob >(m_xFactory->createInstanceWithArguments(
@@ -1016,11 +1012,11 @@ void MigrationImpl::runServices()
 ::std::vector< MigrationModuleInfo > MigrationImpl::dectectUIChangesForAllModules() const
 {
     ::std::vector< MigrationModuleInfo > vModulesInfo;
-    const ::rtl::OUString MENUBAR(RTL_CONSTASCII_USTRINGPARAM("menubar"));
-    const ::rtl::OUString TOOLBAR(RTL_CONSTASCII_USTRINGPARAM("toolbar"));
+    const ::rtl::OUString MENUBAR("menubar");
+    const ::rtl::OUString TOOLBAR("toolbar");
 
     uno::Sequence< uno::Any > lArgs(2);
-    lArgs[0] <<= m_aInfo.userdata + ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("/user/config/soffice.cfg/modules"));
+    lArgs[0] <<= m_aInfo.userdata + "/user/config/soffice.cfg/modules";
     lArgs[1] <<= embed::ElementModes::READ;
 
     uno::Reference< lang::XSingleServiceFactory > xStorageFactory(
@@ -1056,7 +1052,7 @@ void MigrationImpl::runServices()
             uno::Reference< embed::XStorage > xToolbar = xModule->openStorageElement(TOOLBAR, embed::ElementModes::READ);
             if (xToolbar.is())
             {
-                const ::rtl::OUString RESOURCEURL_CUSTOM_ELEMENT(RTL_CONSTASCII_USTRINGPARAM("custom_"));
+                const ::rtl::OUString RESOURCEURL_CUSTOM_ELEMENT("custom_");
                 sal_Int32 nCustomLen = 7;
 
                 uno::Reference< container::XNameAccess > xNameAccess = uno::Reference< container::XNameAccess >(xToolbar, uno::UNO_QUERY);
@@ -1093,7 +1089,7 @@ void MigrationImpl::compareOldAndNewConfig(const ::rtl::OUString& sParent,
                                            const uno::Reference< container::XIndexContainer >& xIndexNew,
                                            const ::rtl::OUString& sResourceURL)
 {
-    const ::rtl::OUString MENU_SEPERATOR(RTL_CONSTASCII_USTRINGPARAM(" | "));
+    const ::rtl::OUString MENU_SEPERATOR(" | ");
 
     ::std::vector< MigrationItem > vOldItems;
     ::std::vector< MigrationItem > vNewItems;
@@ -1366,8 +1362,8 @@ void NewVersionUIInfo::init(const ::std::vector< MigrationModuleInfo >& vModules
     m_lNewVersionMenubarSettingsSeq.realloc(vModulesInfo.size());
     m_lNewVersionToolbarSettingsSeq.realloc(vModulesInfo.size());
 
-    const ::rtl::OUString sMenubarResourceURL(RTL_CONSTASCII_USTRINGPARAM("private:resource/menubar/menubar"));
-    const ::rtl::OUString sToolbarResourcePre(RTL_CONSTASCII_USTRINGPARAM("private:resource/toolbar/"));
+    const ::rtl::OUString sMenubarResourceURL("private:resource/menubar/menubar");
+    const ::rtl::OUString sToolbarResourcePre("private:resource/toolbar/");
 
     uno::Reference< ui::XModuleUIConfigurationManagerSupplier > xModuleCfgSupplier = ui::ModuleUIConfigurationManagerSupplier::create( ::comphelper::getProcessComponentContext() );
 
diff --git a/desktop/source/migration/services/basicmigration.cxx b/desktop/source/migration/services/basicmigration.cxx
index f3550da81652..f153b5fd941a 100644
--- a/desktop/source/migration/services/basicmigration.cxx
+++ b/desktop/source/migration/services/basicmigration.cxx
@@ -32,8 +32,8 @@ namespace migration
 //.........................................................................
 
 
-    #define sSourceUserBasic ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("/user/basic"))
-    #define sTargetUserBasic ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("/user/__basic_80"))
+    #define sSourceUserBasic ::rtl::OUString( "/user/basic" )
+    #define sTargetUserBasic ::rtl::OUString( "/user/__basic_80" )
 
     // =============================================================================
     // component operations
@@ -41,7 +41,7 @@ namespace migration
 
     ::rtl::OUString BasicMigration_getImplementationName()
     {
-        return ::rtl::OUString (RTL_CONSTASCII_USTRINGPARAM("com.sun.star.comp.desktop.migration.Basic"));
+        return ::rtl::OUString("com.sun.star.comp.desktop.migration.Basic");
     }
 
     // -----------------------------------------------------------------------------
@@ -49,7 +49,7 @@ namespace migration
     Sequence< ::rtl::OUString > BasicMigration_getSupportedServiceNames()
     {
         Sequence< ::rtl::OUString > aNames(1);
-        aNames.getArray()[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.migration.Basic" ) );
+        aNames.getArray()[0] = "com.sun.star.migration.Basic";
         return aNames;
     }
 
diff --git a/desktop/source/migration/services/jvmfwk.cxx b/desktop/source/migration/services/jvmfwk.cxx
index 6a6067f14bf3..db8762276456 100644
--- a/desktop/source/migration/services/jvmfwk.cxx
+++ b/desktop/source/migration/services/jvmfwk.cxx
@@ -43,8 +43,6 @@
 #include "osl/thread.hxx"
 using ::rtl::OUString;
 
-#define OUSTR(x) rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( x ))
-
 #define SERVICE_NAME "com.sun.star.migration.Java"
 #define IMPL_NAME "com.sun.star.comp.desktop.migration.Java"
 
@@ -219,12 +217,12 @@ JavaMigration::~JavaMigration()
 
 OUString jvmfwk_getImplementationName()
 {
-    return OUSTR(IMPL_NAME);
+    return OUString(IMPL_NAME);
 }
 
 css::uno::Sequence< OUString > jvmfwk_getSupportedServiceNames()
 {
-    OUString str_name = OUSTR(SERVICE_NAME);
+    OUString str_name = SERVICE_NAME;
     return css::uno::Sequence< OUString >( &str_name, 1 );
 }
 
@@ -317,8 +315,8 @@ void JavaMigration::migrateJavarc()
         return;
 
     OUString sValue;
-    rtl::Bootstrap javaini(m_sUserDir + OUSTR( "/user/config/" SAL_CONFIGFILE("java") ));
-    sal_Bool bSuccess = javaini.getFrom(OUSTR("Home"), sValue);
+    rtl::Bootstrap javaini(m_sUserDir + "/user/config/" + SAL_CONFIGFILE("java"));
+    sal_Bool bSuccess = javaini.getFrom("Home", sValue);
     OSL_ENSURE(bSuccess, "[Service implementation " IMPL_NAME
                        "] XJob::execute: Could not get Home entry from java.ini/javarc.");
     if (bSuccess == sal_True && !sValue.isEmpty())
@@ -430,12 +428,12 @@ void SAL_CALL  JavaMigration::setPropertyValue(
             sal_Bool val = sal_Bool();
             if ((aValue >>= val) == sal_False)
                 throw MalformedDataException(
-                    OUSTR("[Service implementation " IMPL_NAME
-                       "] XLayerHandler::setPropertyValue received wrong type for Enable property"), 0, Any());
+                       OUString("[Service implementation ") + IMPL_NAME +
+                       "] XLayerHandler::setPropertyValue received wrong type for Enable property", 0, Any());
             if (jfw_setEnabled(val) != JFW_E_NONE)
                 throw WrappedTargetException(
-                    OUSTR("[Service implementation " IMPL_NAME
-                       "] XLayerHandler::setPropertyValue: jfw_setEnabled failed."), 0, Any());
+                       OUString("[Service implementation ") + IMPL_NAME +
+                       "] XLayerHandler::setPropertyValue: jfw_setEnabled failed.", 0, Any());
 
             break;
         }
@@ -444,13 +442,13 @@ void SAL_CALL  JavaMigration::setPropertyValue(
              OUString cp;
              if ((aValue >>= cp) == sal_False)
                  throw MalformedDataException(
-                     OUSTR("[Service implementation " IMPL_NAME
-                           "] XLayerHandler::setPropertyValue received wrong type for UserClassPath property"), 0, Any());
+                           OUString("[Service implementation ") + IMPL_NAME +
+                           "] XLayerHandler::setPropertyValue received wrong type for UserClassPath property", 0, Any());
 
              if (jfw_setUserClassPath(cp.pData) != JFW_E_NONE)
                  throw WrappedTargetException(
-                     OUSTR("[Service implementation " IMPL_NAME
-                       "] XLayerHandler::setPropertyValue: jfw_setUserClassPath failed."), 0, Any());
+                       OUString("[Service implementation ") +  IMPL_NAME +
+                       "] XLayerHandler::setPropertyValue: jfw_setUserClassPath failed.", 0, Any());
              break;
          }
         default:
diff --git a/desktop/source/migration/services/oo3extensionmigration.cxx b/desktop/source/migration/services/oo3extensionmigration.cxx
index aed03fa4b4a0..023c4800cca4 100644
--- a/desktop/source/migration/services/oo3extensionmigration.cxx
+++ b/desktop/source/migration/services/oo3extensionmigration.cxx
@@ -47,10 +47,10 @@ using namespace ::com::sun::star::uno;
 namespace migration
 {
 
-static ::rtl::OUString sExtensionSubDir = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/user/uno_packages/" ) );
-static ::rtl::OUString sSubDirName = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "cache" ) );
-static ::rtl::OUString sDescriptionXmlFile = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/description.xml" ) );
-static ::rtl::OUString sExtensionRootSubDirName = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/uno_packages" ) );
+static ::rtl::OUString sExtensionSubDir( "/user/uno_packages/" );
+static ::rtl::OUString sSubDirName( "cache" );
+static ::rtl::OUString sDescriptionXmlFile( "/description.xml" );
+static ::rtl::OUString sExtensionRootSubDirName( "/uno_packages" );
 
 // =============================================================================
 // component operations
@@ -64,7 +64,7 @@ static ::rtl::OUString sExtensionRootSubDirName = ::rtl::OUString( RTL_CONSTASCI
         ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
         if ( !pImplName )
         {
-            static ::rtl::OUString aImplName( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.desktop.migration.OOo3Extensions" ) );
+            static ::rtl::OUString aImplName( "com.sun.star.comp.desktop.migration.OOo3Extensions" );
             pImplName = &aImplName;
         }
     }
@@ -82,7 +82,7 @@ Sequence< ::rtl::OUString > OO3ExtensionMigration_getSupportedServiceNames()
         if ( !pNames )
         {
             static Sequence< ::rtl::OUString > aNames(1);
-            aNames.getArray()[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.migration.Extensions" ) );
+            aNames.getArray()[0] = "com.sun.star.migration.Extensions";
             pNames = &aNames;
         }
     }
@@ -229,25 +229,19 @@ bool OO3ExtensionMigration::scanDescriptionXml( const ::rtl::OUString& sDescript
                 if ( xRoot.is() && xRoot->getTagName() == "description" )
                 {
                     uno::Reference< xml::xpath::XXPathAPI > xPath(
-                        m_ctx->getServiceManager()->createInstanceWithContext(
-                            ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.xml.xpath.XPathAPI")),
+                        m_ctx->getServiceManager()->createInstanceWithContext( "com.sun.star.xml.xpath.XPathAPI",
                             m_ctx),
                         uno::UNO_QUERY);
 
-                    xPath->registerNS(
-                        ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("desc")),
-                        xRoot->getNamespaceURI());
-                    xPath->registerNS(
-                        ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("xlink")),
-                        ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("http://www.w3.org/1999/xlink")));
+                    xPath->registerNS("desc", xRoot->getNamespaceURI());
+                    xPath->registerNS("xlink", "http://www.w3.org/1999/xlink");
 
                     try
                     {
                         uno::Reference< xml::dom::XNode > xRootNode( xRoot, uno::UNO_QUERY );
                         uno::Reference< xml::dom::XNode > xNode(
                             xPath->selectSingleNode(
-                                xRootNode,
-                                ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("desc:identifier/@value")) ));
+                                xRootNode, "desc:identifier/@value" ));
                         if ( xNode.is() )
                             aExtIdentifier = xNode->getNodeValue();
                     }
@@ -328,7 +322,7 @@ bool OO3ExtensionMigration::migrateExtension( const ::rtl::OUString& sSourceDir
             uno::Reference< deployment::XPackage > xPackage =
                 m_xExtensionManager->addExtension(
                     sSourceDir, uno::Sequence<beans::NamedValue>(),
-                    ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("user")), xAbortChannel, xCmdEnv );
+                    "user", xAbortChannel, xCmdEnv );
 
             if ( xPackage.is() )
                 return true;
diff --git a/desktop/source/migration/services/wordbookmigration.cxx b/desktop/source/migration/services/wordbookmigration.cxx
index d5b998044466..e34c550b7fba 100644
--- a/desktop/source/migration/services/wordbookmigration.cxx
+++ b/desktop/source/migration/services/wordbookmigration.cxx
@@ -32,8 +32,8 @@ namespace migration
 //.........................................................................
 
 
-    static ::rtl::OUString sSourceSubDir = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/user/wordbook" ) );
-    static ::rtl::OUString sTargetSubDir = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/user/wordbook" ) );
+    static ::rtl::OUString sSourceSubDir( "/user/wordbook" );
+    static ::rtl::OUString sTargetSubDir( "/user/wordbook" );
 
 
     // =============================================================================
@@ -48,7 +48,7 @@ namespace migration
             ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
             if ( !pImplName )
             {
-                static ::rtl::OUString aImplName( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.desktop.migration.Wordbooks" ) );
+                static ::rtl::OUString aImplName( "com.sun.star.comp.desktop.migration.Wordbooks" );
                 pImplName = &aImplName;
             }
         }
@@ -66,7 +66,7 @@ namespace migration
             if ( !pNames )
             {
                 static Sequence< ::rtl::OUString > aNames(1);
-                aNames.getArray()[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.migration.Wordbooks" ) );
+                aNames.getArray()[0] = ::rtl::OUString( "com.sun.star.migration.Wordbooks" );
                 pNames = &aNames;
             }
         }