diff --git a/distiller/utils.py b/distiller/utils.py
index 510a481d276509548c200710dfa77fb55d40a6c9..220ba3ce8a5befa8fbf4565b461cfafeca2f3a39 100755
--- a/distiller/utils.py
+++ b/distiller/utils.py
@@ -287,9 +287,6 @@ def sparsity_blocks(tensor, block_shape):
             )
     view1 = tensor.view(*view_dims)
 
-    # Next, compute the sums of each column (block)
-    block_sums = view1.abs().sum(dim=1)
-
     # Next, compute the sums of each column (block)
     block_sums = view1.abs().sum(dim=1)
     nonzero_blocks = len(torch.nonzero(block_sums))