diff --git a/generators/djvu/CMakeLists.txt b/generators/djvu/CMakeLists.txt
index 8ca545c5a..d6cf8439d 100644
--- a/generators/djvu/CMakeLists.txt
+++ b/generators/djvu/CMakeLists.txt
@@ -13,9 +13,9 @@ set(okularGenerator_djvu_SRCS
 )
 
 
-kde4_add_plugin(okularGenerator_djvu ${okularGenerator_djvu_SRCS})
+add_library(okularGenerator_djvu MODULE ${okularGenerator_djvu_SRCS})
 
-target_link_libraries(okularGenerator_djvu okularcore ${DJVULIBRE_LIBRARY} ${KDE4_KDEUI_LIBS} ${QT_QTXML_LIBRARY})
+target_link_libraries(okularGenerator_djvu okularcore ${DJVULIBRE_LIBRARY} KF5::KDELibs4Support Qt5::Gui Qt5::PrintSupport)
 
 install(TARGETS okularGenerator_djvu DESTINATION ${PLUGIN_INSTALL_DIR})
 
diff --git a/generators/djvu/generator_djvu.cpp b/generators/djvu/generator_djvu.cpp
index 1254685d6..465608400 100644
--- a/generators/djvu/generator_djvu.cpp
+++ b/generators/djvu/generator_djvu.cpp
@@ -23,12 +23,13 @@
 #include <qpixmap.h>
 #include <qstring.h>
 #include <quuid.h>
-#include <QtGui/QPrinter>
+#include <QPrinter>
 
 #include <KAboutData>
 #include <QtCore/QDebug>
 #include <klocale.h>
 #include <qtemporaryfile.h>
+#include <KLocalizedString>
 #include <QDir>
 
 static void recurseCreateTOC( QDomDocument &maindoc, const QDomNode &parent, QDomNode &parentDestination, KDjVu *djvu )
@@ -70,9 +71,9 @@ static void recurseCreateTOC( QDomDocument &maindoc, const QDomNode &parent, QDo
 static KAboutData createAboutData()
 {
     KAboutData aboutData(
-         "okular_djvu",
+         QStringLiteral("okular_djvu"),
          i18n( "DjVu Backend" ),
-         "0.2.3",
+         QStringLiteral("0.2.3"),
          i18n( "DjVu backend based on DjVuLibre." ),
          KAboutLicense::GPL,
          i18n( "© 2006-2008 Pino Toscano" ));
diff --git a/generators/spectre/CMakeLists.txt b/generators/spectre/CMakeLists.txt
index 6711971e8..a6c5b9cdb 100644
--- a/generators/spectre/CMakeLists.txt
+++ b/generators/spectre/CMakeLists.txt
@@ -20,9 +20,9 @@ ki18n_wrap_ui(okularGenerator_ghostview_SRCS
 kconfig_add_kcfg_files(okularGenerator_ghostview_SRCS conf/gssettings.kcfgc )
 
 
-kde4_add_plugin(okularGenerator_ghostview ${okularGenerator_ghostview_SRCS})
+add_library(okularGenerator_ghostview MODULE ${okularGenerator_ghostview_SRCS})
 
-target_link_libraries(okularGenerator_ghostview okularcore ${LIBSPECTRE_LIBRARY} ${KDE4_KDEUI_LIBS} ${QT_QTXML_LIBRARY})
+target_link_libraries(okularGenerator_ghostview okularcore ${LIBSPECTRE_LIBRARY} KF5::KDELibs4Support Qt5::Xml Qt5::PrintSupport)
 
 install(TARGETS okularGenerator_ghostview DESTINATION ${PLUGIN_INSTALL_DIR})
 
diff --git a/generators/spectre/generator_ghostview.cpp b/generators/spectre/generator_ghostview.cpp
index 1ee5a4b2c..778735cdd 100644
--- a/generators/spectre/generator_ghostview.cpp
+++ b/generators/spectre/generator_ghostview.cpp
@@ -15,7 +15,7 @@
 #include <qpainter.h>
 #include <qpixmap.h>
 #include <qsize.h>
-#include <QtGui/QPrinter>
+#include <QPrinter>
 
 #include <KAboutData>
 #include <kconfigdialog.h>
@@ -25,6 +25,7 @@
 #include <ktemporaryfile.h>
 #include <KDebug>
 #include <QDir>
+#include <KLocalizedString>
 
 #include <core/document.h>
 #include <core/page.h>
@@ -39,9 +40,9 @@
 static KAboutData createAboutData()
 {
     KAboutData aboutData(
-         "okular_ghostview",
+         QStringLiteral("okular_ghostview"),
          i18n( "PS Backend" ),
-         "0.1.7",
+         QStringLiteral("0.1.7"),
          i18n( "A PostScript file renderer." ),
          KAboutLicense::GPL,
          i18n( "© 2007-2008 Albert Astals Cid" ),