diff --git a/unix/x0vncserver/PollingManager.cxx b/unix/x0vncserver/PollingManager.cxx
index d8879eb..46e592c 100644
--- a/unix/x0vncserver/PollingManager.cxx
+++ b/unix/x0vncserver/PollingManager.cxx
@@ -84,15 +84,12 @@
   int numTiles = m_widthTiles * m_heightTiles;
   m_rateMatrix = new char[numTiles];
   m_videoFlags = new char[numTiles];
-  m_changedFlags = new char[numTiles];
   memset(m_rateMatrix, 0, numTiles);
   memset(m_videoFlags, 0, numTiles);
-  memset(m_changedFlags, 0, numTiles);
 }
 
 PollingManager::~PollingManager()
 {
-  delete[] m_changedFlags;
   delete[] m_videoFlags;
   delete[] m_rateMatrix;
 
diff --git a/unix/x0vncserver/PollingManager.h b/unix/x0vncserver/PollingManager.h
index 2c95cd6..c8d6451 100644
--- a/unix/x0vncserver/PollingManager.h
+++ b/unix/x0vncserver/PollingManager.h
@@ -132,7 +132,6 @@
 
   char *m_rateMatrix;
   char *m_videoFlags;
-  char *m_changedFlags;
 
   unsigned int m_pollingStep;
   static const int m_pollingOrder[];