diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,12 +22,6 @@
 
 enable_testing()
 
-message("TODO: reenable KGraphViewer support")
-#find_package(KGraphViewer 2.1)
-#macro_log_feature(KGRAPHVIEWER_FOUND "KGraphViewer" "KPart to view callgraph dot files."
-#                  "http://extragear.kde.org/apps/kgraphviewer/" FALSE ""
-#                  "Required for detailed snapshot analysis. From KDE SDK Extragear package, KGraphViewer 2.1 or higher is required.")
-
 find_package(Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED
     Core
     Widgets
@@ -48,6 +42,13 @@
 
 find_package(KChart "2.6.0" REQUIRED)
 
+find_package(KGraphViewerPart 2.3.90)
+set_package_properties(KGraphViewerPart PROPERTIES
+    DESCRIPTION "KPart to view callgraph dot files"
+    PURPOSE "Required for detailed snapshot analysis"
+    URL "https://www.kde.org/applications/graphics/kgraphviewer/"
+    TYPE RECOMMENDED)
+
 include_directories(
     ${CMAKE_CURRENT_BINARY_DIR}
     ${CMAKE_CURRENT_SOURCE_DIR}
diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt
--- a/app/CMakeLists.txt
+++ b/app/CMakeLists.txt
@@ -13,13 +13,13 @@
     allocatorstab.cpp
 )
 
-if(KGRAPHVIEWER_FOUND)
+if(KGraphViewerPart_FOUND)
     include_directories(
-        ${KGRAPHVIEWER_INCLUDE_DIRECTORIES}
+        ${KGraphViewerPart_INCLUDE_DIRS}
     )
     add_definitions(-DHAVE_KGRAPHVIEWER)
     list(APPEND massif-visualizer_SRCS callgraphtab.cpp)
-endif(KGRAPHVIEWER_FOUND)
+endif()
 
 kconfig_add_kcfg_files(massif-visualizer_SRCS massif-visualizer-settings.kcfgc)
 
diff --git a/app/callgraphtab.h b/app/callgraphtab.h
--- a/app/callgraphtab.h
+++ b/app/callgraphtab.h
@@ -27,7 +27,7 @@
 
 #include <visualizer/modelitem.h>
 
-class KAction;
+class QAction;
 
 namespace KGraphViewer {
 class KGraphViewerInterface;
@@ -76,9 +76,9 @@
     Massif::ModelItem m_lastDotItem;
     Massif::ModelItem m_nextDotItem;
 
-    KAction* m_zoomIn;
-    KAction* m_zoomOut;
-    KAction* m_focusExpensive;
+    QAction* m_zoomIn;
+    QAction* m_zoomOut;
+    QAction* m_focusExpensive;
 };
 
 #endif // CALLGRAPHTAB_H
diff --git a/app/callgraphtab.cpp b/app/callgraphtab.cpp
--- a/app/callgraphtab.cpp
+++ b/app/callgraphtab.cpp
@@ -26,12 +26,12 @@
 #include "massifdata/filedata.h"
 
 #include <QVBoxLayout>
+#include <QAction>
+#include <QDebug>
 
-#include <KDebug>
-#include <KParts/Part>
+#include <KParts/ReadOnlyPart>
 #include <KStandardAction>
 #include <KActionCollection>
-#include <KAction>
 #include <KLocalizedString>
 
 #include <kgraphviewer_interface.h>
@@ -48,7 +48,7 @@
     , m_zoomOut(0)
     , m_focusExpensive(0)
 {
-    setXMLFile("callgraphtabui.rc", true);
+    setXMLFile(QStringLiteral("callgraphtabui.rc"), true);
     setupActions();
 
     Q_ASSERT(m_graphViewer);
@@ -83,12 +83,12 @@
 void CallGraphTab::setupActions()
 {
     m_zoomIn = KStandardAction::zoomIn(this, SLOT(zoomIn()), actionCollection());
-    actionCollection()->addAction("zoomIn", m_zoomIn);
+    actionCollection()->addAction(QStringLiteral("zoomIn"), m_zoomIn);
     m_zoomOut = KStandardAction::zoomOut(this, SLOT(zoomOut()), actionCollection());
-    actionCollection()->addAction("zoomOut", m_zoomOut);
-    m_focusExpensive = new KAction(KIcon("flag-red"), i18n("Focus most expensive node"), actionCollection());
+    actionCollection()->addAction(QStringLiteral("zoomOut"), m_zoomOut);
+    m_focusExpensive = new QAction(QIcon::fromTheme(QStringLiteral("flag-red")), i18n("Focus most expensive node"), actionCollection());
     connect(m_focusExpensive, SIGNAL(triggered()), this, SLOT(focusExpensiveGraphNode()));
-    actionCollection()->addAction("focusExpensive", m_focusExpensive);
+    actionCollection()->addAction(QStringLiteral("focusExpensive"), m_focusExpensive);
 }
 
 void CallGraphTab::settingsChanged()
@@ -119,9 +119,9 @@
 
     Q_ASSERT(m_graphViewer);
 
-    kDebug() << "new dot graph requested" << item;
+    qDebug() << "new dot graph requested" << item;
     if (m_dotGenerator) {
-        kDebug() << "existing generator is running:" << m_dotGenerator->isRunning();
+        qDebug() << "existing generator is running:" << m_dotGenerator->isRunning();
         if (m_dotGenerator->isRunning()) {
             disconnect(m_dotGenerator.data(), 0, this, 0);
             connect(m_dotGenerator.data(), SIGNAL(finished()),
@@ -157,7 +157,7 @@
     if (!m_dotGenerator || !m_graphViewerPart || !isVisible()) {
         return;
     }
-    kDebug() << "show dot graph in output file" << m_dotGenerator->outputFile();
+    qDebug() << "show dot graph in output file" << m_dotGenerator->outputFile();
     const auto url = QUrl::fromLocalFile(m_dotGenerator->outputFile());
     if (url.isValid() && m_graphViewerPart->url() != url) {
         m_graphViewerPart->openUrl(url);
diff --git a/app/documentwidget.cpp b/app/documentwidget.cpp
--- a/app/documentwidget.cpp
+++ b/app/documentwidget.cpp
@@ -193,9 +193,9 @@
                    i18n("Memory Chart"));
 
 #ifdef HAVE_KGRAPHVIEWER
-    static KPluginFactory *factory = KPluginLoader("kgraphviewerpart").factory();
+    static KPluginFactory *factory = KPluginLoader(QStringLiteral("kgraphviewerpart")).factory();
     if (factory) {
-        KParts::ReadOnlyPart* part = factory->create<KParts::ReadOnlyPart>("kgraphviewerpart", this);
+        KParts::ReadOnlyPart* part = factory->create<KParts::ReadOnlyPart>(QString(), this);
         if (part) {
             m_tabs->addTab(new CallGraphTab(m_data, part, this, this), QIcon::fromTheme(QStringLiteral("kgraphviewer")),
                            i18n("Callgraph"));
diff --git a/app/mainwindow.cpp b/app/mainwindow.cpp
--- a/app/mainwindow.cpp
+++ b/app/mainwindow.cpp
@@ -42,7 +42,7 @@
 #include <KRecentFilesAction>
 #include <KColorScheme>
 #include <KToolBar>
-#include <KParts/Part>
+#include <KParts/ReadOnlyPart>
 #include <KPluginFactory>
 #include <KPluginLoader>
 #include <KXMLGUIFactory>
@@ -92,9 +92,9 @@
     // NOTE: just check if kgraphviewer is available at runtime.
     // The former logic has been moved to DocumentWidget constructor.
 #ifdef HAVE_KGRAPHVIEWER
-    KPluginFactory *factory = KPluginLoader("kgraphviewerpart").factory();
+    KPluginFactory *factory = KPluginLoader(QStringLiteral("kgraphviewerpart")).factory();
     if (factory) {
-        KParts::ReadOnlyPart* readOnlyPart = factory->create<KParts::ReadOnlyPart>("kgraphviewerpart", this);
+        KParts::ReadOnlyPart* readOnlyPart = factory->create<KParts::ReadOnlyPart>(QString(), this);
         if (readOnlyPart) {
             readOnlyPart->widget()->hide();
             haveGraphViewer = true;
diff --git a/cmake/FindKGraphViewer.cmake b/cmake/FindKGraphViewer.cmake
deleted file mode 100644
--- a/cmake/FindKGraphViewer.cmake
+++ /dev/null
@@ -1,41 +0,0 @@
-#
-# Find the KGraphViewer library and sets various variables accordingly
-#
-# Example usage of this module:
-# find_package(KGraphViewer 2.1 REQUIRED)
-#
-# The version number and REQUIRED flag are optional. You can set CMAKE_PREFIX_PATH
-# variable to help it find the required files and directories
-#
-# this will set the following variables:
-# KGRAPHVIEWER_LIBRARIES           - KGraphViewer library
-# KGRAPHVIEWER_FOUND               - Whether KGraphViewer was found
-# KGRAPHVIEWER_INCLUDE_DIRECTORIES - Include directories for the KGraphViewer library
-#
-# Copyright 2010 Milian Wolff <mail@milianw.de>
-# Redistribution and use is allowed according to the terms of the BSD license.
-
-find_path( KGRAPHVIEWER_INCLUDE_DIRECTORIES
-    NAMES kgraphviewer_interface.h
-    HINTS
-    ${KGRAPHVIEWER_INCLUDE_DIRS}
-    /usr/local/include
-    /usr/include
-    PATH_SUFFIXES kgraphviewer
-    )
-
-find_library( KGRAPHVIEWER_LIBRARIES
-    NAMES kgraphviewer
-    HINTS
-    ${KGRAPHVIEWER_LIBRARY_DIRS}
-    /usr/local/lib64
-    /usr/lib64
-    /usr/local/lib
-    /usr/lib
-    )
-
-include(FindPackageHandleStandardArgs)
-
-# handle the QUIETLY and REQUIRED arguments and set KGRAPHVIEWER_FOUND to TRUE if
-# all listed variables are TRUE
-find_package_handle_standard_args(KGRAPHVIEWER DEFAULT_MSG KGRAPHVIEWER_LIBRARIES KGRAPHVIEWER_INCLUDE_DIRECTORIES)
\ No newline at end of file