diff --git a/src/providers/mssql/qgsmssqldataitems.cpp b/src/providers/mssql/qgsmssqldataitems.cpp
index 067187ca042e..11bd82c6431e 100644
--- a/src/providers/mssql/qgsmssqldataitems.cpp
+++ b/src/providers/mssql/qgsmssqldataitems.cpp
@@ -42,8 +42,6 @@ QgsMssqlConnectionItem::QgsMssqlConnectionItem( QgsDataItem* parent, QString nam
   mService = settings.value( key + "/service" ).toString();
   mHost = settings.value( key + "/host" ).toString();
   mDatabase = settings.value( key + "/database" ).toString();
-  mUsername;
-  mPassword;
   if ( settings.value( key + "/saveUsername" ).toString() == "true" )
   {
     mUsername = settings.value( key + "/username" ).toString();
diff --git a/src/providers/mssql/qgsmssqlgeometryparser.cpp b/src/providers/mssql/qgsmssqlgeometryparser.cpp
index 64ef7cf0a38b..5c766ef86803 100644
--- a/src/providers/mssql/qgsmssqlgeometryparser.cpp
+++ b/src/providers/mssql/qgsmssqlgeometryparser.cpp
@@ -69,31 +69,37 @@ QgsMssqlGeometryParser::QgsMssqlGeometryParser()
 {
 }
 
-void QgsMssqlGeometryParser::DumpMemoryToLog( char* pszMsg, unsigned char* pszInput, int nLen )
+void QgsMssqlGeometryParser::DumpMemoryToLog( const char* pszMsg, unsigned char* pszInput, int nLen )
 {
-  /*char buf[55];
+#if 0
+  char buf[55];
   int len = 0;
   QFile file( "qgsmssql.log" );
   file.open( QIODevice::Append );
-  file.write( pszMsg, strlen(pszMsg) );
+  file.write( pszMsg, strlen( pszMsg ) );
   file.write( "\n" );
-  sprintf(buf + len, "%05d ", 0);
+  sprintf( buf + len, "%05d ", 0 );
   len += 6;
-  for ( int i = 0; i < nLen; i++)
+  for ( int i = 0; i < nLen; i++ )
   {
-      sprintf(buf + len, "%02x ", pszInput[i]);
-      len += 3;
-      if (len == 54)
-      {
-          file.write( buf, len );
-          len = 0;
-          file.write( "\n" );
-          sprintf(buf + len, "%05d ", i + 1);
-          len = 6;
-      }
+    sprintf( buf + len, "%02x ", pszInput[i] );
+    len += 3;
+    if ( len == 54 )
+    {
+      file.write( buf, len );
+      len = 0;
+      file.write( "\n" );
+      sprintf( buf + len, "%05d ", i + 1 );
+      len = 6;
+    }
   }
   file.write( "\n" );
-  file.close();*/
+  file.close();
+#else
+  Q_UNUSED( pszMsg );
+  Q_UNUSED( pszInput );
+  Q_UNUSED( nLen );
+#endif
 }
 
 /************************************************************************/
diff --git a/src/providers/mssql/qgsmssqlprovider.cpp b/src/providers/mssql/qgsmssqlprovider.cpp
index b9cc611a23d5..83f9f70d9ea8 100644
--- a/src/providers/mssql/qgsmssqlprovider.cpp
+++ b/src/providers/mssql/qgsmssqlprovider.cpp
@@ -459,7 +459,7 @@ void QgsMssqlProvider::select( QgsAttributeList fetchAttributes,
                                bool fetchGeometry,
                                bool useIntersect )
 {
-
+  Q_UNUSED( useIntersect );
   // build sql statement
   mStatement = QString( "select " );
   mFieldCount = 0;
diff --git a/src/providers/mssql/qgsmssqlprovider.h b/src/providers/mssql/qgsmssqlprovider.h
index c85365afc53b..0a1f0193ab4f 100644
--- a/src/providers/mssql/qgsmssqlprovider.h
+++ b/src/providers/mssql/qgsmssqlprovider.h
@@ -81,7 +81,7 @@ class QgsMssqlGeometryParser
     unsigned char* ParseSqlGeometry( unsigned char* pszInput, int nLen );
     int GetSRSId() { return nSRSId; };
     int GetWkbLen() { return nWkbLen; };
-    void DumpMemoryToLog( char* pszMsg, unsigned char* pszInput, int nLen );
+    void DumpMemoryToLog( const char* pszMsg, unsigned char* pszInput, int nLen );
 };