diff --git a/src/more_math/LatentMathNode.py b/src/more_math/LatentMathNode.py
index 1dc244d..c74fb43 100644
--- a/src/more_math/LatentMathNode.py
+++ b/src/more_math/LatentMathNode.py
@@ -67,30 +67,6 @@ class LatentMathNode(io.ComfyNode):
 
     #OUTPUT_NODE = False
     #OUTPUT_TOOLTIPS = ("",) # Tooltips for the output node
-    async def check_lazy_status(self,Latent,a,b='',c='',d='',w='',x='',y='',z=''):
-        input_stream = InputStream(Latent)
-        lexer = MathExprLexer(input_stream)
-        stream = CommonTokenStream(lexer)
-        need_load = ['a'] if a is None else []
-        for v in stream.getTokens():
-            if v.type == MathExprParser.VARIABLE:
-                var_name = v.text
-                if var_name == 'b' and b is None:
-                    need_load.append('b')
-                elif var_name == 'c' and c is None:
-                    need_load.append('c')
-                elif var_name == 'd' and d is None:
-                    need_load.append('d')
-                elif var_name == 'w' and w is None:
-                    need_load.append('w')
-                elif var_name == 'x' and x is None:
-                    need_load.append('x')
-                elif var_name == 'y' and y is None:
-                    need_load.append('y')
-                elif var_name == 'z' and z is None:
-                    need_load.append('z')
-
-        return need_load
 
     @classmethod
     def execute(cls, Latent, a, b=None, c=None, d=None, w=0.0, x=0.0, y=0.0, z=0.0) -> io.NodeOutput:
diff --git a/src/more_math/NoiseMathNode.py b/src/more_math/NoiseMathNode.py
index cd4cbd2..785fe63 100644
--- a/src/more_math/NoiseMathNode.py
+++ b/src/more_math/NoiseMathNode.py
@@ -164,26 +164,27 @@ class NoiseExecutor():
             merged_c = merge_to_tensor(c_val, merged_samples)
             merged_d = merge_to_tensor(d_val, merged_samples)
 
-            # evaluate once
-            ndim = merged_samples.ndim
-            batch_dim = 0
-            channel_dim = -3
-            height_dim = -2
-            width_dim = -1
-            time_dim = None
-            if ndim >= 5:
-                time_dim = -4
-
-            B = getIndexTensorAlongDim(merged_samples, batch_dim)
-            W = getIndexTensorAlongDim(merged_samples, width_dim)
-            H = getIndexTensorAlongDim(merged_samples, height_dim)
-            C = getIndexTensorAlongDim(merged_samples, channel_dim)
         else:
             merged_samples = samples
             merged_a = a_val
             merged_b = b_val
             merged_c = c_val
             merged_d = d_val
+
+        # evaluate once
+        ndim = merged_samples.ndim
+        batch_dim = 0
+        channel_dim = -3
+        height_dim = -2
+        width_dim = -1
+        time_dim = None
+        if ndim >= 5:
+            time_dim = -4
+
+        B = getIndexTensorAlongDim(merged_samples, batch_dim)
+        W = getIndexTensorAlongDim(merged_samples, width_dim)
+        H = getIndexTensorAlongDim(merged_samples, height_dim)
+        C = getIndexTensorAlongDim(merged_samples, channel_dim)
         variables = {
             'a': merged_a, 'b': merged_b, 'c': merged_c, 'd': merged_d,
             'w': self.w, 'x': self.x, 'y': self.y, 'z': self.z,
@@ -200,57 +201,8 @@ class NoiseExecutor():
         visitor = TensorEvalVisitor(variables, variables['a'].shape)
         merged_result = visitor.visit(self.tree)
 
-        split_results = list(merged_result.split(sizes, dim=0))
-        return _nested_tensor_module.NestedTensor(split_results)
-        return split_results
-
-        # non-nested path
-        # fallback zeros if any generator missing
-        def to_tensor(val, ref):
-            if val is None:
-                return torch.zeros_like(ref)
-            # get list of tensors from NestedTensor or list/tuple
-            if hasattr(val, 'is_nested') and getattr(val, 'is_nested'):
-                lst = val.unbind()
-            elif isinstance(val, (list, tuple)):
-                lst = list(val)
-            else:
-                return val
-
-            if len(lst) == 0:
-                return torch.zeros_like(ref)
-            if len(lst) == 1:
-                return lst[0]
-
-            # try to concatenate along batch dim
-            try:
-                cat = torch.cat(lst, dim=0)
-                if cat.shape == ref.shape or (cat.shape[0] == ref.shape[0] and cat.shape[1:] == ref.shape[1:]):
-                    return cat
-            except Exception:
-                pass
-
-            # try stack
-            try:
-                stk = torch.stack(lst, dim=0)
-                # direct match
-                if stk.shape == ref.shape or (stk.shape[0] == ref.shape[0] and stk.shape[1:] == ref.shape[1:]):
-                    return stk
-                # try merging first dim into batch if possible
-                try:
-                    merged = stk.view(-1, *stk.shape[2:]) if stk.ndim >= 3 else stk.view(-1)
-                    if merged.shape == ref.shape:
-                        return merged
-                except Exception:
-                    pass
-            except Exception:
-                pass
-
-            # fallback to first element
-            return lst[0]
-
-        visitor = TensorEvalVisitor(variables,variables['a'].shape)
-        result = visitor.visit(self.tree)
-        if hasattr(input_latent, 'is_nested') and getattr(val, 'is_nested'):
-            input_latent
-        return result
+        if hasattr(samples, 'is_nested') and getattr(samples, 'is_nested'):
+            split_results = list(merged_result.split(sizes, dim=0))
+            return _nested_tensor_module.NestedTensor(split_results)
+        
+        return merged_result