diff --git a/src/lib/client/ServerProxy.cpp b/src/lib/client/ServerProxy.cpp
index 67cfa8e4f..f973003db 100644
--- a/src/lib/client/ServerProxy.cpp
+++ b/src/lib/client/ServerProxy.cpp
@@ -33,7 +33,6 @@
 ServerProxy::ServerProxy(Client *client, deskflow::IStream *stream, IEventQueue *events)
     : m_client(client),
       m_stream(stream),
-      m_parser(&ServerProxy::parseHandshakeMessage),
       m_events(events)
 {
   assert(m_client != nullptr);
diff --git a/src/lib/client/ServerProxy.h b/src/lib/client/ServerProxy.h
index fe3afbfb8..a33d09da2 100644
--- a/src/lib/client/ServerProxy.h
+++ b/src/lib/client/ServerProxy.h
@@ -123,7 +123,7 @@ private:
   double m_keepAliveAlarm = 0.0;
   EventQueueTimer *m_keepAliveAlarmTimer = nullptr;
 
-  MessageParser m_parser;
+  MessageParser m_parser = &ServerProxy::parseHandshakeMessage;
   IEventQueue *m_events = nullptr;
   std::string m_serverLanguage = "";
   bool m_isUserNotifiedAboutLanguageSyncError = false;
diff --git a/src/lib/platform/XWindowsClipboard.cpp b/src/lib/platform/XWindowsClipboard.cpp
index 38c762ed0..3c0df65d4 100644
--- a/src/lib/platform/XWindowsClipboard.cpp
+++ b/src/lib/platform/XWindowsClipboard.cpp
@@ -1381,12 +1381,9 @@ XWindowsClipboard::Reply::Reply(
       m_target(target),
       m_time(time),
       m_property(property),
-      m_replied(false),
-      m_done(false),
       m_data(data),
       m_type(type),
-      m_format(format),
-      m_ptr(0)
+      m_format(format)
 {
   // do nothing
 }
diff --git a/src/lib/server/ClientProxy1_0.cpp b/src/lib/server/ClientProxy1_0.cpp
index 8ef6cb0e4..1d81a7dce 100644
--- a/src/lib/server/ClientProxy1_0.cpp
+++ b/src/lib/server/ClientProxy1_0.cpp
@@ -22,7 +22,6 @@
 
 ClientProxy1_0::ClientProxy1_0(const std::string &name, deskflow::IStream *stream, IEventQueue *events)
     : ClientProxy(name, stream),
-      m_parser(&ClientProxy1_0::parseHandshakeMessage),
       m_events(events)
 {
   // install event handlers
diff --git a/src/lib/server/ClientProxy1_0.h b/src/lib/server/ClientProxy1_0.h
index bec1b403e..cbf1cadae 100644
--- a/src/lib/server/ClientProxy1_0.h
+++ b/src/lib/server/ClientProxy1_0.h
@@ -98,6 +98,6 @@ private:
   ClientInfo m_info;
   double m_heartbeatAlarm;
   EventQueueTimer *m_heartbeatTimer = nullptr;
-  MessageParser m_parser;
+  MessageParser m_parser = &ClientProxy1_0::parseHandshakeMessage;
   IEventQueue *m_events;
 };
diff --git a/src/lib/server/InputFilter.cpp b/src/lib/server/InputFilter.cpp
index d78c33492..a9773d330 100644
--- a/src/lib/server/InputFilter.cpp
+++ b/src/lib/server/InputFilter.cpp
@@ -721,7 +721,7 @@ const InputFilter::Action &InputFilter::Rule::getAction(bool onActivation, uint3
 // -----------------------------------------------------------------------------
 // Input Filter Class
 // -----------------------------------------------------------------------------
-InputFilter::InputFilter(IEventQueue *events) : m_primaryClient(nullptr), m_events(events)
+InputFilter::InputFilter(IEventQueue *events) : m_events(events)
 {
   // do nothing
 }