diff --git a/PROMS/Volian.Controls.Library/DisplayTabControl.cs b/PROMS/Volian.Controls.Library/DisplayTabControl.cs
index a6ee9bc7..3c16564c 100644
--- a/PROMS/Volian.Controls.Library/DisplayTabControl.cs
+++ b/PROMS/Volian.Controls.Library/DisplayTabControl.cs
@@ -621,8 +621,6 @@ namespace Volian.Controls.Library
 		{
 			get { return _PnlCaret; }
 		}
-		private Color _OldForeColor = Color.Empty;
-		private Color _OldBackColor = Color.Empty;
 		public void ShowCaret()
 		{
 			if (_MyStepRTB != null)
@@ -647,18 +645,7 @@ namespace Volian.Controls.Library
 						tmrCaret.Enabled = true;
 					}
 					else
-					{
-						if (_MyStepRTB.SelectionColor != Color.Empty && _OldForeColor == Color.Empty)
-						{
-							_OldForeColor = _MyStepRTB.SelectionColor;
-							_MyStepRTB.SelectionColor = Color.White;
-						}
-						if (_MyStepRTB.SelectionBackColor != Color.Empty && _OldBackColor == Color.Empty)
-						{
-							_OldBackColor = _MyStepRTB.SelectionBackColor;
-							_MyStepRTB.SelectionBackColor = Color.FromName("Highlight");
-						}
-					}
+						_MyStepRTB.HideSelection = false; // bug fix B215-147 we used to insert a highlight command - caused issues with IsDirty() where false dirtyness was reported
 				}
 			}
 		}
@@ -672,18 +659,7 @@ namespace Volian.Controls.Library
 					PnlCaret.Visible = false;
 				}
 				else
-				{
-					if (_OldForeColor != Color.Empty)
-					{
-						_MyStepRTB.SelectionColor = _OldForeColor;
-						_OldForeColor = Color.Empty;
-					}
-					if (_OldBackColor != Color.Empty)
-					{
-						_MyStepRTB.SelectionBackColor = _OldBackColor;
-						_OldBackColor = Color.Empty;
-					}
-				}
+					_MyStepRTB.HideSelection = true; // bug fix B215-147 we used to insert a highlight command - caused issues with IsDirty() where false dirtyness was reported
 			}
 		}
 		private void tmrCaret_Tick(object sender, EventArgs e)