mse/mse.go      | 10 ----------
 mse/mse_test.go | 10 ++++++++++

diff --git a/mse/mse.go b/mse/mse.go
index e257175b9ecd1cfe1759f8ce8c6ed44e7e6969db..66390f3d1e048af4bb53db7de21dac31a2349b7a 100644
--- a/mse/mse.go
+++ b/mse/mse.go
@@ -548,16 +548,6 @@ 	}
 	return h.Do()
 }
 
-func sliceIter(skeys [][]byte) SecretKeyIter {
-	return func(callback func([]byte) bool) {
-		for _, sk := range skeys {
-			if !callback(sk) {
-				break
-			}
-		}
-	}
-}
-
 // A function that given a function, calls it with secret keys until it
 // returns false or exhausted.
 type SecretKeyIter func(callback func(skey []byte) (more bool))
diff --git a/mse/mse_test.go b/mse/mse_test.go
index 79cabb18de974b757de0b06f227cc1ca47d0cf15..a779638633f72dc8a37a7ef04b719781d0d827ac 100644
--- a/mse/mse_test.go
+++ b/mse/mse_test.go
@@ -16,6 +16,16 @@ 	"github.com/bradfitz/iter"
 	"github.com/stretchr/testify/require"
 )
 
+func sliceIter(skeys [][]byte) SecretKeyIter {
+	return func(callback func([]byte) bool) {
+		for _, sk := range skeys {
+			if !callback(sk) {
+				break
+			}
+		}
+	}
+}
+
 func TestReadUntil(t *testing.T) {
 	test := func(data, until string, leftover int, expectedErr error) {
 		r := bytes.NewReader([]byte(data))