diff --git a/dataengines/statusnotifieritem/CMakeLists.txt b/dataengines/statusnotifieritem/CMakeLists.txt
--- a/dataengines/statusnotifieritem/CMakeLists.txt
+++ b/dataengines/statusnotifieritem/CMakeLists.txt
@@ -31,6 +31,12 @@
     dbusmenuqt
 )
 
+ecm_qt_declare_logging_category(statusnotifieritem_engine_SRCS HEADER debug.h
+                                               IDENTIFIER DATAENGINE_SNI
+                                               CATEGORY_NAME kde.dataengine.sni
+                                               DEFAULT_SEVERITY Info)
+
+
 kcoreaddons_desktop_to_json(plasma_engine_statusnotifieritem plasma-dataengine-statusnotifieritem.desktop)
 
 install(TARGETS plasma_engine_statusnotifieritem DESTINATION ${KDE_INSTALL_PLUGINDIR}/plasma/dataengine)
diff --git a/dataengines/statusnotifieritem/statusnotifieritem_engine.cpp b/dataengines/statusnotifieritem/statusnotifieritem_engine.cpp
--- a/dataengines/statusnotifieritem/statusnotifieritem_engine.cpp
+++ b/dataengines/statusnotifieritem/statusnotifieritem_engine.cpp
@@ -25,7 +25,7 @@
 
 #include "dbusproperties.h"
 
-#include <QDebug>
+#include "debug.h"
 #include <iostream>
 
 static const QString s_watcherServiceName(QStringLiteral("org.kde.StatusNotifierWatcher"));
@@ -73,7 +73,7 @@
 
 void StatusNotifierItemEngine::serviceChange(const QString& name, const QString& oldOwner, const QString& newOwner)
 {
-    qDebug()<< "Service" << name << "status change, old owner:" << oldOwner << "new:" << newOwner;
+    qCDebug(DATAENGINE_SNI)<< "Service" << name << "status change, old owner:" << oldOwner << "new:" << newOwner;
 
     if (newOwner.isEmpty()) {
         //unregistered
@@ -86,7 +86,7 @@
 
 void StatusNotifierItemEngine::registerWatcher(const QString& service)
 {
-    //qDebug()<<"service appeared"<<service;
+    //qCDebug(DATAENGINE_SNI)<<"service appeared"<<service;
     if (service == s_watcherServiceName) {
         delete m_statusNotifierWatcher;
 
@@ -115,15 +115,15 @@
         } else {
             delete m_statusNotifierWatcher;
             m_statusNotifierWatcher = nullptr;
-            qDebug()<<"System tray daemon not reachable";
+            qCDebug(DATAENGINE_SNI)<<"System tray daemon not reachable";
         }
     }
 }
 
 void StatusNotifierItemEngine::unregisterWatcher(const QString& service)
 {
     if (service == s_watcherServiceName) {
-        qDebug()<< s_watcherServiceName << "disappeared";
+        qCDebug(DATAENGINE_SNI)<< s_watcherServiceName << "disappeared";
 
         disconnect(m_statusNotifierWatcher, &OrgKdeStatusNotifierWatcherInterface::StatusNotifierItemRegistered, this, &StatusNotifierItemEngine::serviceRegistered);
         disconnect(m_statusNotifierWatcher, &OrgKdeStatusNotifierWatcherInterface::StatusNotifierItemUnregistered, this, &StatusNotifierItemEngine::serviceUnregistered);
@@ -137,7 +137,7 @@
 
 void StatusNotifierItemEngine::serviceRegistered(const QString &service)
 {
-    qDebug() << "Registering"<<service;
+    qCDebug(DATAENGINE_SNI) << "Registering"<<service;
     newItem(service);
 }
 
diff --git a/dataengines/statusnotifieritem/systemtraytypes.cpp b/dataengines/statusnotifieritem/systemtraytypes.cpp
--- a/dataengines/statusnotifieritem/systemtraytypes.cpp
+++ b/dataengines/statusnotifieritem/systemtraytypes.cpp
@@ -42,13 +42,13 @@
 
     if (argument.currentType() == QDBusArgument::StructureType) {
         argument.beginStructure();
-        //qDebug() << "begun structure";
+        //qCDebug(DATAENGINE_SNI)() << "begun structure";
         argument >> width;
-        //qDebug() << width;
+        //qCDebug(DATAENGINE_SNI)() << width;
         argument >> height;
-        //qDebug() << height;
+        //qCDebug(DATAENGINE_SNI)() << height;
         argument >> data;
-        //qDebug() << data.size();
+        //qCDebug(DATAENGINE_SNI)() << data.size();
         argument.endStructure();
     }
 
diff --git a/dataengines/time/CMakeLists.txt b/dataengines/time/CMakeLists.txt
--- a/dataengines/time/CMakeLists.txt
+++ b/dataengines/time/CMakeLists.txt
@@ -6,6 +6,11 @@
     solarsystem.cpp
 )
 
+ecm_qt_declare_logging_category(time_engine_SRCS HEADER debug.h
+                                               IDENTIFIER DATAENGINE_TIME
+                                               CATEGORY_NAME kde.dataengine.time
+                                               DEFAULT_SEVERITY Info)
+
 add_library(plasma_engine_time MODULE ${time_engine_SRCS})
 
 target_link_libraries(plasma_engine_time
diff --git a/dataengines/time/timeengine.cpp b/dataengines/time/timeengine.cpp
--- a/dataengines/time/timeengine.cpp
+++ b/dataengines/time/timeengine.cpp
@@ -33,6 +33,7 @@
 #endif
 
 #include "timesource.h"
+#include "debug.h"
 
 //timezone is defined in msvc
 #ifdef timezone
@@ -70,7 +71,7 @@
     int err = timerfd_settime(timeChangedFd, 3, &timespec, nullptr); //monitor for the time changing
     //(flags == TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET). However these are not exposed in glibc so value is hardcoded
     if (err) {
-        qWarning() << "Could not create timer with TFD_TIMER_CANCEL_ON_SET. Clock skews will not be detected. Error:" << qPrintable(strerror(err));
+        qCWarning(DATAENGINE_TIME) << "Could not create timer with TFD_TIMER_CANCEL_ON_SET. Clock skews will not be detected. Error:" << qPrintable(strerror(err));
     }
 
     connect(this, &QObject::destroyed, [timeChangedFd]() {
@@ -96,14 +97,14 @@
 
 void TimeEngine::clockSkewed()
 {
-    qDebug() << "Time engine Clock skew signaled";
+    qCDebug(DATAENGINE_TIME) << "Time engine Clock skew signaled";
     updateAllSources();
     forceImmediateUpdateOfAllVisualizations();
 }
 
 void TimeEngine::tzConfigChanged()
 {
-    qDebug() << "Local timezone changed signaled";
+    qCDebug(DATAENGINE_TIME) << "Local timezone changed signaled";
     TimeSource *s = qobject_cast<TimeSource *>(containerForSource(QStringLiteral("Local")));
 
     if (s) {