diff --git a/src/widgets/kbuildsycocaprogressdialog.cpp b/src/widgets/kbuildsycocaprogressdialog.cpp
--- a/src/widgets/kbuildsycocaprogressdialog.cpp
+++ b/src/widgets/kbuildsycocaprogressdialog.cpp
@@ -19,8 +19,6 @@
 #include <ksycoca.h>
 #include <qstandardpaths.h>
 #include <klocalizedstring.h>
-#include <QDBusConnection>
-#include <QDBusInterface>
 #include <QProcess>
 #include <QDialogButtonBox>
 
@@ -41,15 +39,6 @@
                                    i18n("Updating System Configuration"),
                                    i18n("Updating system configuration."));
 
-    // FIXME HACK: kdelibs 4 doesn't evaluate mimeapps.list at query time; refresh
-    // its cache as well.
-    QDBusInterface kbuildsycoca4(QStringLiteral("org.kde.kded"), QStringLiteral("/kbuildsycoca"), QStringLiteral("org.kde.kbuildsycoca"));
-    if (kbuildsycoca4.isValid()) {
-        kbuildsycoca4.call(QDBus::NoBlock, QStringLiteral("recreate"));
-    } else {
-        QProcess::startDetached(QStringLiteral("kbuildsycoca4"), QStringList());
-    }
-
     QProcess *proc = new QProcess(&dlg);
     proc->start(QStringLiteral(KBUILDSYCOCA_EXENAME), QStringList());
     QObject::connect(proc, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished),