diff --git a/hatmill_test.go b/hatmill_test.go
index 88a02b1..cd80fd9 100644
--- a/hatmill_test.go
+++ b/hatmill_test.go
@@ -19,12 +19,6 @@ import (
 	he "gitlab.codemonkeysoftware.net/b/hatmill/element"
 )
 
-type NopWriter struct{}
-
-func (NopWriter) Write(p []byte) (n int, err error) {
-	return len(p), nil
-}
-
 func writeToString(wt io.WriterTo) string {
 	var buf bytes.Buffer
 	_, err := wt.WriteTo(&buf)
@@ -58,16 +52,6 @@ var dangerousASCII = gen.UnicodeString(ASCII).SuchThat(func(v interface{}) bool
 	return false
 })
 
-func printableASCII() string {
-	const minPrintable rune = 32
-	const maxPrintable rune = 126
-	var buf bytes.Buffer
-	for r := minPrintable; r <= maxPrintable; r++ {
-		buf.WriteRune(r)
-	}
-	return buf.String()
-}
-
 func TestText(t *testing.T) {
 	properties := gopter.NewProperties(nil)
 	properties.Property("WriteTo escapes special chars and outputs all others unchanged", prop.ForAll(