diff --git a/Engine.Core/Transform2D.cs b/Engine.Core/Transform2D.cs
index 1c2a8bc..4b68c81 100644
--- a/Engine.Core/Transform2D.cs
+++ b/Engine.Core/Transform2D.cs
@@ -36,7 +36,7 @@ public class Transform2D : Behaviour, ITransform2D
             _position = value;
 
             UpdateLocalPosition();
-            OnPositionChanged?.Invoke(this, new(previousPosition));
+            OnPositionChanged.Invoke(this, new(previousPosition));
         }
     }
 
@@ -52,7 +52,7 @@ public class Transform2D : Behaviour, ITransform2D
             _scale = value;
 
             UpdateLocalScale();
-            OnScaleChanged?.Invoke(this, new(previousScale));
+            OnScaleChanged.Invoke(this, new(previousScale));
         }
     }
 
@@ -68,7 +68,7 @@ public class Transform2D : Behaviour, ITransform2D
             _rotation = value;
 
             UpdateLocalRotation();
-            OnRotationChanged?.Invoke(this, new(previousRotation));
+            OnRotationChanged.Invoke(this, new(previousRotation));
         }
     }
 
@@ -84,7 +84,7 @@ public class Transform2D : Behaviour, ITransform2D
             _localPosition = value;
 
             UpdatePosition();
-            OnPositionChanged?.Invoke(this, new(previousPosition));
+            OnPositionChanged.Invoke(this, new(previousPosition));
         }
     }
 
@@ -102,8 +102,8 @@ public class Transform2D : Behaviour, ITransform2D
 
             UpdateScale();
             UpdatePosition();
-            OnScaleChanged?.Invoke(this, new(previousScale));
-            OnPositionChanged?.Invoke(this, new(previousPosition));
+            OnScaleChanged.Invoke(this, new(previousScale));
+            OnPositionChanged.Invoke(this, new(previousPosition));
         }
     }
 
@@ -119,7 +119,7 @@ public class Transform2D : Behaviour, ITransform2D
             _localRotation = value;
 
             UpdateRotation();
-            OnRotationChanged?.Invoke(this, new(previousRotation));
+            OnRotationChanged.Invoke(this, new(previousRotation));
         }
     }
 
@@ -130,7 +130,7 @@ public class Transform2D : Behaviour, ITransform2D
 
         UpdatePosition();
 
-        OnPositionChanged?.Invoke(this, args);
+        OnPositionChanged.Invoke(this, args);
     }
 
     private void RecalculateScale(ITransform2D _, ITransform2D.ScaleChangedArguments args)
@@ -143,8 +143,8 @@ public class Transform2D : Behaviour, ITransform2D
         UpdateScale();
         UpdatePosition();
 
-        OnScaleChanged?.Invoke(this, args);
-        OnPositionChanged?.Invoke(this, new(previousPosition));
+        OnScaleChanged.Invoke(this, args);
+        OnPositionChanged.Invoke(this, new(previousPosition));
     }
 
     private void RecalculateRotation(ITransform2D _, ITransform2D.RotationChangedArguments args)
@@ -157,8 +157,8 @@ public class Transform2D : Behaviour, ITransform2D
         UpdateRotation();
         UpdatePosition();
 
-        OnRotationChanged?.Invoke(this, args);
-        OnPositionChanged?.Invoke(this, new(previousPosition));
+        OnRotationChanged.Invoke(this, args);
+        OnPositionChanged.Invoke(this, new(previousPosition));
     }
 
     private void UpdateLocalPosition()
@@ -252,9 +252,9 @@ public class Transform2D : Behaviour, ITransform2D
         UpdateLocalScale();
         UpdateLocalRotation();
 
-        OnPositionChanged?.Invoke(this, new(Position));
-        OnScaleChanged?.Invoke(this, new(Scale));
-        OnRotationChanged?.Invoke(this, new(Rotation));
+        OnPositionChanged.Invoke(this, new(Position));
+        OnScaleChanged.Invoke(this, new(Scale));
+        OnRotationChanged.Invoke(this, new(Rotation));
     }
 
     private void LookForTransform2D(IBehaviourController sender, IBehaviourController.BehaviourAddedArguments args)