1 files changed, 5 insertions, 17 deletions
diff --git a/Software/Visual_Studio/Tango.BL/LiquidVolume.cs b/Software/Visual_Studio/Tango.BL/LiquidVolume.cs
index 014ca040a..5b4cec488 100644
--- a/Software/Visual_Studio/Tango.BL/LiquidVolume.cs
+++ b/Software/Visual_Studio/Tango.BL/LiquidVolume.cs
@@ -14,7 +14,6 @@ namespace Tango.BL
     public class LiquidVolume : ExtendedObject
     {
         public event Action VolumeChanged;
-        private static object _lock = new object();
 
         private BrushStop _brushStop;
         [JsonIgnore]
@@ -83,25 +82,14 @@ namespace Tango.BL
 
         public void Invalidate()
         {
-            lock (_lock)
+            if (BrushStop.LiquidVolumes != null)
             {
-                try
-                {
-                    if (BrushStop.LiquidVolumes != null)
-                    {
-                        InvalidateSolo();
+                InvalidateSolo();
 
-                        foreach (var liquidVolume in BrushStop.LiquidVolumes.ToList().Where(x => x != this))
-                        {
-                            liquidVolume.InvalidateSolo();
-                        }
-                    }
-                }
-                catch (Exception ex)
+                foreach (var liquidVolume in BrushStop.LiquidVolumes.ToList().Where(x => x != this))
                 {
-
-                    throw;
-                } 
+                    liquidVolume.InvalidateSolo();
+                }
             }
         }