diff --git a/tinygrad/shape/shapetracker.py b/tinygrad/shape/shapetracker.py
index 51fb6a5c7b..bef67b619c 100644
--- a/tinygrad/shape/shapetracker.py
+++ b/tinygrad/shape/shapetracker.py
@@ -54,8 +54,6 @@ def idxs_to_idx(shape:Tuple[int, ...], idxs:Tuple[Node, ...]) -> Node:
 @dataclass(frozen=True)
 class ShapeTracker:
   views: Tuple[View, ...]
-  def __post_init__(self):
-    assert isinstance(self.views, tuple) and all(isinstance(v, View) for v in self.views), "ShapeTracker must be created with a tuple of Views"
 
   def __add__(self, st:ShapeTracker) -> ShapeTracker:
     base = ShapeTracker(self.views)