diff --git a/dataengines/notifications/notificationaction.cpp b/dataengines/notifications/notificationaction.cpp
--- a/dataengines/notifications/notificationaction.cpp
+++ b/dataengines/notifications/notificationaction.cpp
@@ -74,14 +74,16 @@
                                               parameters().value(QStringLiteral("actions")).toStringList(),
                                               hints);
         setResult(rv);
+        return;
     } else if (operationName() == QLatin1String("configureNotification")) {
         m_engine->configureNotification(parameters()[QStringLiteral("appRealName")].toString(),
                                         parameters()[QStringLiteral("eventId")].toString());
     } else if (operationName() == QLatin1String("inhibit")) {
         const QString hint = parameters()[QStringLiteral("hint")].toString();
         const QString value = parameters()[QStringLiteral("value")].toString();
         auto t = m_engine->createInhibition(hint, value);
         setResult(QVariant::fromValue(t));
+        return;
     }
 
     emitResult();
diff --git a/klipper/clipboardjob.cpp b/klipper/clipboardjob.cpp
--- a/klipper/clipboardjob.cpp
+++ b/klipper/clipboardjob.cpp
@@ -50,20 +50,17 @@
     if (operation == QLatin1String("clearHistory")) {
         m_klipper->slotAskClearHistory();
         setResult(true);
-        emitResult();
         return;
     } else if (operation == QLatin1String("configureKlipper")) {
         m_klipper->slotConfigure();
         setResult(true);
-        emitResult();
         return;
     }
 
     // other operations need the item
     HistoryItemConstPtr item = m_klipper->history()->find(QByteArray::fromBase64(destination().toUtf8()));
     if (item.isNull()) {
         setResult(false);
-        emitResult();
         return;
     }
     if (operation == QLatin1String("select")) {
@@ -80,7 +77,6 @@
                     return;
                 }
                 setResult(result);
-                emitResult();
             }
         );
         m_klipper->editData(item);
@@ -127,7 +123,6 @@
                     setResult(watcher->result());
                     watcher->deleteLater();
                     delete code;
-                    emitResult();
                 }
             );
             auto future = QtConcurrent::run(code, &Prison::AbstractBarcode::toImage, QSizeF(pixelWidth, pixelHeight));
@@ -176,7 +171,6 @@
                 res.insert(s_previewWidthKey, preview.size().width());
                 res.insert(s_previewHeightKey, preview.size().height());
                 setResult(res);
-                emitResult();
             }
         );
         connect(job, &KIO::PreviewJob::failed, this,
@@ -205,5 +199,4 @@
     res.insert(s_previewWidthKey, pix.size().width());
     res.insert(s_previewHeightKey, pix.size().height());
     setResult(res);
-    emitResult();
 }