diff --git a/core/document.cpp b/core/document.cpp
index 8a6a0fd2b..468a8a9fb 100644
--- a/core/document.cpp
+++ b/core/document.cpp
@@ -732,7 +732,7 @@ bool DocumentPrivate::openRelativeFile( const QString & fileName )
 Generator * DocumentPrivate::loadGeneratorLibrary( const KPluginMetaData &service )
 {
     KPluginLoader loader( service.fileName() );
-    qDebug() << service.fileName();
+    qCDebug(OkularCoreDebug) << service.fileName();
     KPluginFactory *factory = loader.factory();
     if ( !factory )
     {
diff --git a/generators/kimgio/CMakeLists.txt b/generators/kimgio/CMakeLists.txt
index aeac0af1b..467a5cde8 100644
--- a/generators/kimgio/CMakeLists.txt
+++ b/generators/kimgio/CMakeLists.txt
@@ -10,7 +10,7 @@ okular_add_generator(okularGenerator_kimgio generator_kimgio.cpp)
 target_link_libraries(okularGenerator_kimgio okularcore KF5::KExiv2 KF5::I18n)
 
 add_definitions( -DKDESRCDIR="${CMAKE_CURRENT_SOURCE_DIR}/" )
-set( kimgiotest_SRCS tests/kimgiotest.cpp ${CMAKE_SOURCE_DIR}/ui/pagepainter.cpp ${CMAKE_SOURCE_DIR}/ui/guiutils.cpp )
+set( kimgiotest_SRCS tests/kimgiotest.cpp ${CMAKE_SOURCE_DIR}/ui/pagepainter.cpp ${CMAKE_SOURCE_DIR}/ui/guiutils.cpp ${CMAKE_SOURCE_DIR}/ui/debug_ui.cpp )
 ecm_add_test(${kimgiotest_SRCS} TEST_NAME "kimgiotest" LINK_LIBRARIES okularcore okularpart Qt5::Svg Qt5::Test)
 target_compile_definitions(kimgiotest PRIVATE -DGENERATOR_PATH="$<TARGET_FILE:okularGenerator_kimgio>")
 
diff --git a/mobile/components/CMakeLists.txt b/mobile/components/CMakeLists.txt
index 9da375fd6..f1af2602a 100644
--- a/mobile/components/CMakeLists.txt
+++ b/mobile/components/CMakeLists.txt
@@ -13,6 +13,7 @@ set(okular_SRCS
     ${CMAKE_SOURCE_DIR}/ui/guiutils.cpp
     ${CMAKE_SOURCE_DIR}/ui/tocmodel.cpp
     ${CMAKE_SOURCE_DIR}/ui/pagepainter.cpp
+    ${CMAKE_SOURCE_DIR}/ui/debug_ui.cpp
     pageitem.cpp
     documentitem.cpp
     thumbnailitem.cpp
diff --git a/ui/annotationproxymodels.cpp b/ui/annotationproxymodels.cpp
index 2a04a4841..285307d2f 100644
--- a/ui/annotationproxymodels.cpp
+++ b/ui/annotationproxymodels.cpp
@@ -15,6 +15,7 @@
 #include <QIcon>
 
 #include "annotationmodel.h"
+#include "debug_ui.h"
 
 static quint32 mixIndex( int row, int column )
 {
@@ -289,7 +290,7 @@ class AuthorGroupItem
             QString prefix;
             for ( int i = 0; i < level; ++i ) prefix += QLatin1Char(' ');
 
-            qDebug( "%s%s", qPrintable( prefix ), ( mType == Page ? "Page" : (mType == Author ? "Author" : "Annotation") ) );
+            qCDebug(OkularUiDebug, "%s%s", qPrintable( prefix ), ( mType == Page ? "Page" : (mType == Author ? "Author" : "Annotation") ) );
 
             for ( int i = 0; i < mChilds.count(); ++i )
                 mChilds[ i ]->dump( level + 2 );
diff --git a/ui/formwidgets.cpp b/ui/formwidgets.cpp
index 7e68b5c7b..4adbccb60 100644
--- a/ui/formwidgets.cpp
+++ b/ui/formwidgets.cpp
@@ -92,7 +92,7 @@ QButtonGroup* FormWidgetsController::registerRadioButton( QAbstractButton *butto
         const QList< int >::const_iterator idsIt = qFind( (*it).ids, id );
         if ( idsIt != (*it).ids.constEnd() )
         {
-            qDebug(OkularUiDebug) << "Adding id" << id << "To group including" << (*it).ids;
+            qCDebug(OkularUiDebug) << "Adding id" << id << "To group including" << (*it).ids;
             (*it).group->addButton( button );
             (*it).group->setId( button, id );
             return (*it).group;
diff --git a/ui/pagepainter.cpp b/ui/pagepainter.cpp
index db82119ca..c5eb1ef90 100644
--- a/ui/pagepainter.cpp
+++ b/ui/pagepainter.cpp
@@ -33,6 +33,7 @@
 #include "core/observer.h"
 #include "core/tile.h"
 #include "settings_core.h"
+#include "ui/debug_ui.h"
 
 Q_GLOBAL_STATIC_WITH_ARGS( QPixmap, busyPixmap, ( KIconLoader::global()->loadIcon(QLatin1String("okular"), KIconLoader::NoGroup, 32, KIconLoader::DefaultState, QStringList(), 0, true) ) )
 
@@ -881,7 +882,7 @@ void PagePainter::cropPixmapOnImage( QImage & dest, const QPixmap * src, const Q
 void PagePainter::recolor(QImage *image, const QColor &foreground, const QColor &background)
 {
     if (image->format() != QImage::Format_ARGB32_Premultiplied) {
-        qWarning() << "Wrong image format! Converting...";
+        qCWarning(OkularUiDebug) << "Wrong image format! Converting...";
         *image = image->convertToFormat(QImage::Format_ARGB32_Premultiplied);
     }
 
diff --git a/ui/pageview.cpp b/ui/pageview.cpp
index 94073c329..8992539c7 100644
--- a/ui/pageview.cpp
+++ b/ui/pageview.cpp
@@ -1220,7 +1220,7 @@ void PageView::slotRealNotifyViewportChanged( bool smoothMove )
         }
     if ( !item )
     {
-        qWarning() << "viewport for page" << vp.pageNumber << "has no matching item!";
+        qCWarning(OkularUiDebug) << "viewport for page" << vp.pageNumber << "has no matching item!";
         d->blockViewport = false;
         return;
     }
@@ -2752,7 +2752,7 @@ void PageView::mouseReleaseEvent( QMouseEvent * e )
                     {
                         // request the textpage if there isn't one
                         okularPage= item->page();
-                        qWarning() << "checking if page" << item->pageNumber() << "has text:" << okularPage->hasTextPage();
+                        qCDebug(OkularUiDebug) << "checking if page" << item->pageNumber() << "has text:" << okularPage->hasTextPage();
                         if ( !okularPage->hasTextPage() )
                             d->document->requestTextPage( okularPage->number() );
                         // grab text in the rect that intersects itemRect
@@ -2907,7 +2907,7 @@ void PageView::mouseReleaseEvent( QMouseEvent * e )
                     {
                         // request the textpage if there isn't one
                         okularPage= item->page();
-                        qWarning() << "checking if page" << item->pageNumber() << "has text:" << okularPage->hasTextPage();
+                        qCDebug(OkularUiDebug) << "checking if page" << item->pageNumber() << "has text:" << okularPage->hasTextPage();
                         if ( !okularPage->hasTextPage() )
                             d->document->requestTextPage( okularPage->number() );
                         // grab text in the rect that intersects itemRect
diff --git a/ui/presentationwidget.cpp b/ui/presentationwidget.cpp
index 93b9b7a70..526c235ee 100644
--- a/ui/presentationwidget.cpp
+++ b/ui/presentationwidget.cpp
@@ -1661,9 +1661,9 @@ void PresentationWidget::inhibitPowerManagement()
         reply.waitForFinished();
         if (reply.isValid()) {
             m_screenInhibitCookie = reply.value();
-            qDebug() << "Screen inhibition cookie" << m_screenInhibitCookie;
+            qCDebug(OkularUiDebug) << "Screen inhibition cookie" << m_screenInhibitCookie;
         } else {
-            qWarning() << "Unable to inhibit screensaver" << reply.error();
+            qCWarning(OkularUiDebug) << "Unable to inhibit screensaver" << reply.error();
         }
     }
 
@@ -1683,7 +1683,7 @@ void PresentationWidget::inhibitPowerManagement()
         if (reply.isValid()) {
             m_sleepInhibitCookie = reply.value().fileDescriptor();
         } else {
-            qWarning() << "Unable to inhibit sleep" << reply.error();
+            qCWarning(OkularUiDebug) << "Unable to inhibit sleep" << reply.error();
         }
     }
 #endif