diff --git a/include/opendb/db.h b/include/opendb/db.h
index 2d51684..e7ac4fc 100644
--- a/include/opendb/db.h
+++ b/include/opendb/db.h
@@ -3896,6 +3896,11 @@ class dbTrackGrid : public dbObject
   /// Translate a database-id back to a pointer.
   ///
   static dbTrackGrid* getTrackGrid(dbBlock* block, uint oid);
+  
+  ///
+  /// destroy a grid
+  ///
+  static void destroy(dbTrackGrid* grid_);
 };
 
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/src/db/dbTrackGrid.cpp b/src/db/dbTrackGrid.cpp
index 81b49f6..f697e92 100644
--- a/src/db/dbTrackGrid.cpp
+++ b/src/db/dbTrackGrid.cpp
@@ -263,5 +263,12 @@ dbTrackGrid* dbTrackGrid::getTrackGrid(dbBlock* block_, uint dbid_)
   _dbBlock* block = (_dbBlock*) block_;
   return (dbTrackGrid*) block->_track_grid_tbl->getPtr(dbid_);
 }
+void dbTrackGrid::destroy(dbTrackGrid* grid_)
+{
+  _dbTrackGrid* grid = (_dbTrackGrid*) grid_;
+  _dbBlock* block = (_dbBlock*) grid->getOwner();
+  dbProperty::destroyProperties(grid);
+  block->_track_grid_tbl->destroy(grid);
+}
 
 }  // namespace odb
diff --git a/tests/unitTestsPython/TestDestroy.py b/tests/unitTestsPython/TestDestroy.py
index 8f09f37..758fa1f 100644
--- a/tests/unitTestsPython/TestDestroy.py
+++ b/tests/unitTestsPython/TestDestroy.py
@@ -83,10 +83,7 @@ class TestDestroy(odbUnitTest.TestCase):
         self.assertEqual(len(self.parentBlock.getChildren()), 2)
         _block.destroy(_block)
         self.assertEqual(len(self.parentBlock.getChildren()), 1)
-        #destroying parent block
-#         _block = helper.create1LevelBlock(self.db, self.db.getLibs()[0], self.parentBlock)
-        odb.dbBlock_destroy(self.parentBlock)
-        self.assertIsNone(self.db.getChip().getBlock())
+
     def test_destroy_bpin(self):
         IN1 = self.block.findBTerm('IN1')
         self.assertEqual(len(IN1.getBPins()), 1)
@@ -162,7 +159,16 @@ class TestDestroy(odbUnitTest.TestCase):
         parentRegion, childRegion = self.setup_regions()
         parentRegion.destroy(parentRegion)
         self.assertEqual(len(self.block.getRegions()), 0)
+    
+    def test_destroy_trackgrid(self):
+        tech = self.db.getLibs()[0].getTech()
+        L1 = tech.findLayer("L1")
+        grid = odb.dbTrackGrid_create(self.block,L1)
+        self.assertIsNone(odb.dbTrackGrid_create(self.block,L1))
+        grid = grid.destroy(grid)
+        self.assertIsNotNone(odb.dbTrackGrid_create(self.block,L1))
+
 if __name__=='__main__':
     odbUnitTest.mainParallel(TestDestroy)
 #     odbUnitTest.main()
-    
\ No newline at end of file
+