diff --git a/src/osgTerrain/TerrainTile.cpp b/src/osgTerrain/TerrainTile.cpp
index e8d81b61c..0f4afd8be 100644
--- a/src/osgTerrain/TerrainTile.cpp
+++ b/src/osgTerrain/TerrainTile.cpp
@@ -218,7 +218,7 @@ void TerrainTile::setDirtyMask(int dirtyMask)
 
     if (_dirtyMask!=NOT_DIRTY) dirtyDelta += 1;
 
-#if 1
+#if 0
     if (dirtyDelta>0)
     {
         // need to signal that we need an update