diff --git a/kyaml/kio/byteio_writer_test.go b/kyaml/kio/byteio_writer_test.go
index a3f0b4876..f8e3d47bd 100644
--- a/kyaml/kio/byteio_writer_test.go
+++ b/kyaml/kio/byteio_writer_test.go
@@ -194,7 +194,7 @@ metadata:
 		// Test Case
 		//
 		{
-			name:     "encode_valid_json",
+			name: "encode_valid_json",
 			items: []string{
 				`{
   "a": "a long string that would certainly see a newline introduced by the YAML marshaller abcd123",
@@ -220,7 +220,7 @@ metadata:
 		// Test Case
 		//
 		{
-			name:     "encode_wrapped_json_as_yaml",
+			name: "encode_wrapped_json_as_yaml",
 			instance: ByteWriter{
 				Sort:               true,
 				WrappingKind:       ResourceListKind,
@@ -248,7 +248,7 @@ items:
 		// Test Case
 		//
 		{
-			name:     "encode_multi_doc_json_as_yaml",
+			name: "encode_multi_doc_json_as_yaml",
 			items: []string{
 				`{
   "a": "b",
diff --git a/kyaml/kio/filters/fmtr_test.go b/kyaml/kio/filters/fmtr_test.go
index 87472bbe0..cebb2da60 100644
--- a/kyaml/kio/filters/fmtr_test.go
+++ b/kyaml/kio/filters/fmtr_test.go
@@ -743,26 +743,6 @@ func TestFormatFileOrDirectory_ymlExtFile(t *testing.T) {
 	assert.Equal(t, string(testyaml.FormattedYaml1), string(b))
 }
 
-// TestFormatFileOrDirectory_skipYamlExtFileWithJson verifies that the json content is formatted
-// as yaml
-func TestFormatFileOrDirectory_YamlExtFileWithJson(t *testing.T) {
-	// write the unformatted JSON file contents
-	f, err := ioutil.TempFile("", "yamlfmt*.yaml")
-	assert.NoError(t, err)
-	defer os.Remove(f.Name())
-	err = ioutil.WriteFile(f.Name(), testyaml.UnformattedJSON1, 0600)
-	assert.NoError(t, err)
-
-	// format the file
-	err = FormatFileOrDirectory(f.Name())
-	assert.NoError(t, err)
-
-	// check the result is formatted as yaml
-	b, err := ioutil.ReadFile(f.Name())
-	assert.NoError(t, err)
-	assert.Equal(t, string(testyaml.FormattedJSON1), string(b))
-}
-
 // TestFormatFileOrDirectory_partialKubernetesYamlFile verifies that if a yaml file contains both
 // Kubernetes and non-Kubernetes documents, it will only format the Kubernetes documents
 func TestFormatFileOrDirectory_partialKubernetesYamlFile(t *testing.T) {
diff --git a/kyaml/kio/filters/testyaml/testyaml.go b/kyaml/kio/filters/testyaml/testyaml.go
index eae6692f4..c54d8d305 100644
--- a/kyaml/kio/filters/testyaml/testyaml.go
+++ b/kyaml/kio/filters/testyaml/testyaml.go
@@ -68,15 +68,6 @@ metadata:
   selfLink: ""
 `)
 
-var UnformattedJSON1 = []byte(`
-{
-  "spec": "a",
-  "status": {"conditions": [3, 1, 2]},
-  "apiVersion": "example.com/v1beta1",
-  "kind": "MyType"
-}
-`)
-
 var FormattedYaml1 = []byte(`apiVersion: example.com/v1beta1
 kind: MyType
 spec: a
@@ -97,20 +88,6 @@ status2:
   - 2
 `)
 
-var FormattedJSON1 = []byte(`{
-  "apiVersion": "example.com/v1beta1",
-  "kind": "MyType",
-  "spec": "a",
-  "status": {
-    "conditions": [
-      3,
-      1,
-      2
-    ]
-  }
-}
-`)
-
 var FormattedYaml3 = []byte(`apiVersion: v1
 kind: List
 metadata: