Index: okular/extensions.cpp
===================================================================
--- okular/extensions.cpp   (revision 1109126)
+++ okular/extensions.cpp   (working copy)
@@ -84,7 +84,7 @@
     {
         type = KParts::LiveConnectExtension::TypeVoid;
         postMessage( args );
-        value = QString();
+        value.clear();
         result = true;
     }
     return result;
Index: okular/core/document.cpp
===================================================================
--- okular/core/document.cpp    (revision 1109126)
+++ okular/core/document.cpp    (working copy)
@@ -1709,7 +1709,7 @@
     {
         setViewport( nextViewport );
         d->m_nextDocumentViewport = DocumentViewport();
-        d->m_nextDocumentDestination = QString();
+        (d->m_nextDocumentDestination).clear();
     }

     AudioPlayer::instance()->d->m_currentDocument = isstdin ? KUrl() : d->m_url;
@@ -1811,10 +1811,10 @@
             KGlobal::locale()->removeCatalog( genIt.value().catalogName );
     }
     d->m_generator = 0;
-    d->m_generatorName = QString();
+    (d->m_generatorName).clear();
     d->m_url = KUrl();
-    d->m_docFileName = QString();
-    d->m_xmlFileName = QString();
+    (d->m_docFileName).clear();
+    (d->m_xmlFileName).clear();
     delete d->m_tempFile;
     d->m_tempFile = 0;
     delete d->m_archiveData;
@@ -2852,7 +2852,7 @@

                 setViewport( nextViewport, -1, true );
                 d->m_nextDocumentViewport = DocumentViewport();
-                d->m_nextDocumentDestination = QString();
+                (d->m_nextDocumentDestination).clear();
             }

             } break;
Index: okular/generators/chm/generator_chm.cpp
===================================================================
--- okular/generators/chm/generator_chm.cpp (revision 1109126)
+++ okular/generators/chm/generator_chm.cpp (working copy)
@@ -220,7 +220,7 @@
     }

     m_syncGen->closeUrl();
-    m_chmUrl = QString();
+    m_chmUrl.clear();

     userMutex()->unlock();