diff --git a/src/blackcore/afv/clients/afvclient.cpp b/src/blackcore/afv/clients/afvclient.cpp
index 531fff72b..e03356eda 100644
--- a/src/blackcore/afv/clients/afvclient.cpp
+++ b/src/blackcore/afv/clients/afvclient.cpp
@@ -57,6 +57,7 @@ namespace BlackCore
 
             CAfvClient::CAfvClient(const QString &apiServer, QObject *owner) :
                 CContinuousWorker(owner, "CAfvClient"),
+                CIdentifiable("CAfvClient"),
                 m_connection(new CClientConnection(apiServer, this)),
                 m_input(new CInput(SampleRate, this)),
                 m_output(new COutput(this)),
diff --git a/src/blackcore/afv/clients/afvclient.h b/src/blackcore/afv/clients/afvclient.h
index 2f080e734..836117a22 100644
--- a/src/blackcore/afv/clients/afvclient.h
+++ b/src/blackcore/afv/clients/afvclient.h
@@ -45,7 +45,7 @@ namespace BlackCore
         namespace Clients
         {
             //! AFV client
-            class BLACKCORE_EXPORT CAfvClient final : public BlackMisc::CContinuousWorker
+            class BLACKCORE_EXPORT CAfvClient final : public BlackMisc::CContinuousWorker, public BlackMisc::CIdentifiable
             {
                 Q_OBJECT
 
diff --git a/src/blackcore/context/contextapplicationimpl.cpp b/src/blackcore/context/contextapplicationimpl.cpp
index 36a2bd8bd..f43cbd025 100644
--- a/src/blackcore/context/contextapplicationimpl.cpp
+++ b/src/blackcore/context/contextapplicationimpl.cpp
@@ -130,19 +130,12 @@ namespace BlackCore
         {
             if (m_debugEnabled) { CLogMessage(this, CLogCategory::contextSlot()).debug() << Q_FUNC_INFO << application; }
 
-            CIdentifier identifier(application);
-            identifier.setCurrentUtcTime();
-
-            if (!m_registeredApplications.contains(identifier))
+            if (!m_registeredApplications.contains(application))
             {
-                m_registeredApplications.push_back(identifier);
+                m_registeredApplications.push_back(application);
                 emit this->registrationChanged();
                 emit this->hotkeyActionsRegistered(sApp->getInputManager()->allAvailableActions(), {});
             }
-            else
-            {
-                m_registeredApplications.replace(application, identifier);
-            }
 
             this->cleanupRegisteredApplications();
             return application;
@@ -158,15 +151,16 @@ namespace BlackCore
 
         void CContextApplication::cleanupRegisteredApplications()
         {
-            static const int outdatedMs = qRound(1.5 * PingIdentifiersMs);
-            m_registeredApplications.removeOlderThanNowMinusOffset(outdatedMs);
+            //static const int outdatedMs = qRound(1.5 * PingIdentifiersMs);
+            //m_registeredApplications.removeOlderThanNowMinusOffset(outdatedMs);
         }
 
         CIdentifierList CContextApplication::getRegisteredApplications() const
         {
             if (m_debugEnabled) { CLogMessage(this, CLogCategory::contextSlot()).debug() << Q_FUNC_INFO; }
-            static const int outdatedMs = qRound(1.5 * PingIdentifiersMs);
-            return m_registeredApplications.findAfterNowMinusOffset(outdatedMs);
+            //static const int outdatedMs = qRound(1.5 * PingIdentifiersMs);
+            //return m_registeredApplications.findAfterNowMinusOffset(outdatedMs);
+            return m_registeredApplications;
         }
 
         CIdentifier CContextApplication::getApplicationIdentifier() const
diff --git a/src/blackgui/models/identifierlistmodel.cpp b/src/blackgui/models/identifierlistmodel.cpp
index a2acd2db3..876383251 100644
--- a/src/blackgui/models/identifierlistmodel.cpp
+++ b/src/blackgui/models/identifierlistmodel.cpp
@@ -26,7 +26,6 @@ namespace BlackGui
             this->m_columns.addColumn(CColumn::standardString("machine", CIdentifier::IndexMachineName));
             this->m_columns.addColumn(CColumn::standardString("process", CIdentifier::IndexProcessName));
             this->m_columns.addColumn(CColumn::standardString("p.id", "process id", CIdentifier::IndexProcessId));
-            this->m_columns.addColumn(CColumn("time", "received", CIdentifier::IndexUtcTimestamp, new CDateTimeFormatter(CDateTimeFormatter::formatHms())));
             this->m_columns.addColumn(CColumn("lcl m.", "local machine", CIdentifier::IndexIsFromLocalMachine, new CBoolIconFormatter("local", "remote")));
             this->m_columns.addColumn(CColumn("same p.", "same process", CIdentifier::IndexIsFromSameProcess, new CBoolIconFormatter("same process", "other process")));
             this->m_columns.addColumn(CColumn::standardString("m.id", "machine id", CIdentifier::IndexMachineIdBase64));
diff --git a/src/blackmisc/identifiable.cpp b/src/blackmisc/identifiable.cpp
index 2e5092889..9f704fb6f 100644
--- a/src/blackmisc/identifiable.cpp
+++ b/src/blackmisc/identifiable.cpp
@@ -10,13 +10,6 @@
 
 namespace BlackMisc
 {
-    CIdentifier CIdentifiable::getCurrentTimestampIdentifier() const
-    {
-        CIdentifier o(m_identifier);
-        o.setCurrentUtcTime();
-        return o;
-    }
-
     CIdentifiable::CIdentifiable(QObject *object) : m_identifier(object->objectName())
     {
         // if the object name changes we update our originator
diff --git a/src/blackmisc/identifiable.h b/src/blackmisc/identifiable.h
index a3ae0743e..0d7ae56cf 100644
--- a/src/blackmisc/identifiable.h
+++ b/src/blackmisc/identifiable.h
@@ -34,9 +34,6 @@ namespace BlackMisc
         //! Set identifier, allows to set an external identifier
         void setIdentifier(const CIdentifier &identifier) { m_identifier = identifier; }
 
-        //! Identifier with current timestamp
-        CIdentifier getCurrentTimestampIdentifier() const;
-
         //! My identifier?
         bool isMyIdentifier(const CIdentifier &otherIdentifier) const { return m_identifier == otherIdentifier; }
 
diff --git a/src/blackmisc/identifier.cpp b/src/blackmisc/identifier.cpp
index 38fe225e7..73ca95351 100644
--- a/src/blackmisc/identifier.cpp
+++ b/src/blackmisc/identifier.cpp
@@ -9,6 +9,7 @@
 #include "blackmisc/identifier.h"
 #include "blackmisc/comparefunctions.h"
 #include "blackmisc/stringutils.h"
+#include "blackmisc/propertyindex.h"
 
 #include <QCoreApplication>
 #include <QHostInfo>
@@ -108,8 +109,7 @@ QByteArray cachedMachineUniqueId()
 namespace BlackMisc
 {
     CIdentifier::CIdentifier(const QString &name)
-        : ITimestampBased(QDateTime::currentMSecsSinceEpoch()),
-          m_name(name.trimmed()),
+        : m_name(name.trimmed()),
           m_machineIdBase64(cachedMachineUniqueId().toBase64(QByteArray::OmitTrailingEquals)),
           m_machineName(cachedLocalHostName()),
           m_processName(cachedEscapedApplicationName()),
@@ -128,7 +128,6 @@ namespace BlackMisc
 
     CIdentifier::CIdentifier(const QString &name, const QString &machineId, const QString &machineName,
                              const QString &processName, qint64 processId) :
-        ITimestampBased(QDateTime::currentMSecsSinceEpoch()),
         m_name(name), m_machineIdBase64(machineId), m_machineName(machineName),
         m_processName(processName), m_processId(processId)
     { }
@@ -157,7 +156,6 @@ namespace BlackMisc
         QByteArray baseData;
         baseData.append(getMachineId());
         baseData.append(reinterpret_cast<const char *>(&m_processId), sizeof(m_processId));
-        baseData.append(reinterpret_cast<const char *>(&m_timestampMSecsSinceEpoch), sizeof(m_timestampMSecsSinceEpoch));
         baseData.append(getName());
         return QUuid::createUuidV5(ns, baseData);
     }
@@ -283,7 +281,6 @@ namespace BlackMisc
         if (index.isMyself()) { return CVariant::from(*this); }
 
         const ColumnIndex i = index.frontCasted<ColumnIndex>();
-        if (ITimestampBased::canHandleIndex(index)) { return ITimestampBased::propertyByIndex(index); }
 
         switch (i)
         {
@@ -305,7 +302,6 @@ namespace BlackMisc
         if (index.isMyself()) { return Compare::compare(m_processId, compareValue.m_processId); }
 
         const ColumnIndex i = index.frontCasted<ColumnIndex>();
-        if (ITimestampBased::canHandleIndex(index)) { return ITimestampBased::comparePropertyByIndex(index, compareValue); }
 
         switch (i)
         {
diff --git a/src/blackmisc/identifier.h b/src/blackmisc/identifier.h
index 1386391b1..af4552516 100644
--- a/src/blackmisc/identifier.h
+++ b/src/blackmisc/identifier.h
@@ -13,10 +13,7 @@
 
 #include "blackmisc/blackmiscexport.h"
 #include "blackmisc/metaclass.h"
-#include "blackmisc/propertyindex.h"
-#include "blackmisc/timestampbased.h"
 #include "blackmisc/valueobject.h"
-#include "blackmisc/variant.h"
 
 #include <QByteArray>
 #include <QMetaType>
@@ -30,9 +27,7 @@ namespace BlackMisc
     /*!
      * Value object encapsulating information identifying a component of a modular distributed swift process (core, GUI, audio)
      */
-    class BLACKMISC_EXPORT CIdentifier :
-        public CValueObject<CIdentifier>,
-        public ITimestampBased
+    class BLACKMISC_EXPORT CIdentifier : public CValueObject<CIdentifier>
     {
     public:
         //! Properties by index
@@ -172,8 +167,7 @@ namespace BlackMisc
             BLACK_METAMEMBER(machineIdBase64),
             BLACK_METAMEMBER(machineName, 0, DisabledForComparison | DisabledForHashing),
             BLACK_METAMEMBER(processName),
-            BLACK_METAMEMBER(processId),
-            BLACK_METAMEMBER(timestampMSecsSinceEpoch, 0, DisabledForComparison | DisabledForHashing)
+            BLACK_METAMEMBER(processId)
         );
     };
 } // namespace
diff --git a/src/blackmisc/identifierlist.h b/src/blackmisc/identifierlist.h
index 9ed760ef8..1e54fdb40 100644
--- a/src/blackmisc/identifierlist.h
+++ b/src/blackmisc/identifierlist.h
@@ -25,8 +25,7 @@ namespace BlackMisc
      */
     class BLACKMISC_EXPORT CIdentifierList :
         public CSequence<CIdentifier>,
-        public Mixin::MetaType<CIdentifierList>,
-        public ITimestampObjectList<CIdentifier, CIdentifierList>
+        public Mixin::MetaType<CIdentifierList>
     {
     public:
         BLACKMISC_DECLARE_USING_MIXIN_METATYPE(CIdentifierList)
diff --git a/src/blackmisc/timestampobjectlist.cpp b/src/blackmisc/timestampobjectlist.cpp
index 521118ebf..7de3511f7 100644
--- a/src/blackmisc/timestampobjectlist.cpp
+++ b/src/blackmisc/timestampobjectlist.cpp
@@ -747,7 +747,6 @@ namespace BlackMisc
     // see here for the reason of thess forward instantiations
     // https://isocpp.org/wiki/faq/templates#separate-template-fn-defn-from-decl
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::CCountry, BlackMisc::CCountryList>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::CIdentifier, BlackMisc::CIdentifierList>;
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::CStatusMessage, BlackMisc::CStatusMessageList>;
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftIcaoCode, BlackMisc::Aviation::CAircraftIcaoCodeList>;
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftCategory, BlackMisc::Aviation::CAircraftCategoryList>;
diff --git a/src/blackmisc/timestampobjectlist.h b/src/blackmisc/timestampobjectlist.h
index 28337e6f9..410d46a99 100644
--- a/src/blackmisc/timestampobjectlist.h
+++ b/src/blackmisc/timestampobjectlist.h
@@ -329,8 +329,6 @@ namespace BlackMisc
 
     class CStatusMessage;
     class CStatusMessageList;
-    class CIdentifier;
-    class CIdentifierList;
     class CCountry;
     class CCountryList;
 
@@ -349,7 +347,6 @@ namespace BlackMisc
     extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampObjectList<BlackMisc::Network::CRawFsdMessage, BlackMisc::Network::CRawFsdMessageList>;
     extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampObjectList<BlackMisc::Network::CUrlLog, BlackMisc::Network::CUrlLogList>;
     extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampObjectList<BlackMisc::CStatusMessage, BlackMisc::CStatusMessageList>;
-    extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampObjectList<BlackMisc::CIdentifier, BlackMisc::CIdentifierList>;
     extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampObjectList<BlackMisc::CCountry, BlackMisc::CCountryList>;
 
     // for the derived version both templates are required
diff --git a/src/blackmisc/weather/weathergridprovider.h b/src/blackmisc/weather/weathergridprovider.h
index 422735d89..28ae98798 100644
--- a/src/blackmisc/weather/weathergridprovider.h
+++ b/src/blackmisc/weather/weathergridprovider.h
@@ -21,6 +21,8 @@
 
 namespace BlackMisc
 {
+    class CIdentifier;
+
     namespace Weather
     {
         //! Direct threadsafe in memory access to weather grid
diff --git a/src/blackmisc/worker.cpp b/src/blackmisc/worker.cpp
index 0a44ee2aa..7c13d6c66 100644
--- a/src/blackmisc/worker.cpp
+++ b/src/blackmisc/worker.cpp
@@ -149,7 +149,6 @@ namespace BlackMisc
     }
 
     CContinuousWorker::CContinuousWorker(QObject *owner, const QString &name) :
-        CIdentifiable(name),
         m_owner(owner), m_name(name)
     {
         Q_ASSERT_X(!name.isEmpty(), Q_FUNC_INFO, "Empty name");
diff --git a/src/blackmisc/worker.h b/src/blackmisc/worker.h
index c207fae73..44552cded 100644
--- a/src/blackmisc/worker.h
+++ b/src/blackmisc/worker.h
@@ -17,7 +17,6 @@
 #include "blackmisc/invoke.h"
 #include "blackmisc/promise.h"
 #include "blackmisc/stacktrace.h"
-#include "blackmisc/identifiable.h"
 #include "blackmisc/variant.h"
 
 #include <QFuture>
@@ -266,9 +265,7 @@ namespace BlackMisc
     /*!
      * Base class for a long-lived worker object which lives in its own thread.
      */
-    class BLACKMISC_EXPORT CContinuousWorker :
-        public CWorkerBase,
-        public CIdentifiable
+    class BLACKMISC_EXPORT CContinuousWorker : public CWorkerBase
     {
         Q_OBJECT
 
diff --git a/src/swiftguistandard/swiftguistd.cpp b/src/swiftguistandard/swiftguistd.cpp
index 1b7feea10..ff5addf15 100644
--- a/src/swiftguistandard/swiftguistd.cpp
+++ b/src/swiftguistandard/swiftguistd.cpp
@@ -313,7 +313,7 @@ void SwiftGuiStd::setContextAvailability()
     if (!isShuttingDown && sGui->getIContextApplication() && !sGui->getIContextApplication()->isEmptyObject())
     {
         // ping to check if core is still alive
-        m_coreAvailable = this->isMyIdentifier(sGui->getIContextApplication()->registerApplication(getCurrentTimestampIdentifier()));
+        m_coreAvailable = this->isMyIdentifier(sGui->getIContextApplication()->registerApplication(identifier()));
     }
     else
     {