We depend agains 5.86.

plugins/libsinglefileplugin/singlefileplugin.cpp

@@ -12,11 +12,7 @@
 #include <QFileInfo>
 
 #include <karchive_version.h>
-#if KARCHIVE_VERSION >= QT_VERSION_CHECK(5, 85, 0)
 #include <KCompressionDevice>
-#else
-#include <KFilterDev>
-#endif
 #include <KLocalizedString>
 
 LibSingleFileInterface::LibSingleFileInterface(QObject *parent, const QVariantList & args)
@@ -55,11 +51,7 @@ bool LibSingleFileInterface::extractFiles(const QVector<Kerfuffle::Archive::Entr
         return false;
     }
 
-#if KARCHIVE_VERSION >= QT_VERSION_CHECK(5, 85, 0)
     KCompressionDevice *device = new KCompressionDevice(filename(), KCompressionDevice::compressionTypeForMimeType(m_mimeType));
-#else
-    KCompressionDevice *device = new KCompressionDevice(filename(), KFilterDev::compressionTypeForMimeType(m_mimeType));
-#endif
     if (!device) {
         qCCritical(ARK) << "Could not create KCompressionDevice";
         Q_EMIT error(xi18nc("@info", "Ark could not open <filename>%1</filename> for extraction.", filename()));