diff --git a/src/Environment/terrainsampler.hxx b/src/Environment/terrainsampler.hxx
old mode 100755
new mode 100644
index ff76dc93f..e9fa3c319
--- a/src/Environment/terrainsampler.hxx
+++ b/src/Environment/terrainsampler.hxx
@@ -29,10 +29,8 @@ namespace Environment {
 class TerrainSampler : public SGSubsystemGroup
 {
 public:
-	virtual ~TerrainSampler();
 	static TerrainSampler * createInstance( SGPropertyNode_ptr rootNode );
 };
 
 } // namespace
-
-#endif
\ No newline at end of file
+#endif