1 files changed, 1 insertions, 20 deletions
diff --git a/src/plugins/platforms/xcb/qxcbsessionmanager.cpp b/src/plugins/platforms/xcb/qxcbsessionmanager.cpp
index 9d81c8e224..0098f47e33 100644
--- a/src/plugins/platforms/xcb/qxcbsessionmanager.cpp
+++ b/src/plugins/platforms/xcb/qxcbsessionmanager.cpp
@@ -50,6 +50,7 @@
 #include <X11/SM/SMlib.h>
 #include <errno.h> // ERANGE
 
+#include <cerrno> // ERANGE
 
 class QSmSocketReceiver : public QObject
 {
@@ -390,16 +391,6 @@ void* QXcbSessionManager::handle() const
     return (void*) smcConnection;
 }
 
-void QXcbSessionManager::setSessionId(const QString &id)
-{
-    m_sessionId = id;
-}
-
-void QXcbSessionManager::setSessionKey(const QString &key)
-{
-    m_sessionKey = key;
-}
-
 bool QXcbSessionManager::allowsInteraction()
 {
     if (sm_interactionActive)
@@ -495,16 +486,6 @@ void QXcbSessionManager::requestPhase2()
     sm_phase2 = true;
 }
 
-void QXcbSessionManager::appCommitData()
-{
-    QPlatformSessionManager::appCommitData();
-}
-
-void QXcbSessionManager::appSaveState()
-{
-    QPlatformSessionManager::appSaveState();
-}
-
 void QXcbSessionManager::exitEventLoop()
 {
     m_eventLoop->exit();