diff --git a/ops/opset13/batch_normalization.go b/ops/opset13/batch_normalization.go
index 8861cf9..c548fb5 100644
--- a/ops/opset13/batch_normalization.go
+++ b/ops/opset13/batch_normalization.go
@@ -1,8 +1,6 @@
 package opset13
 
 import (
-	"fmt"
-
 	"github.com/advancedclimatesystems/gonnx/onnx"
 	"github.com/advancedclimatesystems/gonnx/ops"
 	"gorgonia.org/tensor"
@@ -168,7 +166,6 @@ func (b *BatchNormalization) reshapeTensors(X, scale, bias, mean, variance tenso
 }
 
 func (b *BatchNormalization) testModeCalculation(X, scale, bias, mean, variance tensor.Tensor) (tensor.Tensor, error) {
-	fmt.Println("joe")
 	newScale, newBias, newMean, newVariance, err := b.reshapeTensors(X, scale, bias, mean, variance)
 	if err != nil {
 		return nil, err
diff --git a/ops_test.go b/ops_test.go
index a405939..66f4bdf 100644
--- a/ops_test.go
+++ b/ops_test.go
@@ -195,6 +195,8 @@ func shouldRunTest(folder, opFilter string) bool {
 		}
 	}
 
+	// For some reason ONNX decided to not let these testcases match the operator name.
+	// Here we manually replace the filter with the name ONNX uses for this test case.
 	if opFilter == "test_batchnormalization" {
 		opFilter = "test_batchnorm"
 	}