diff --git a/cwriter/writer_test.go b/cwriter/writer_test.go
deleted file mode 100644
index 8aec781..0000000
--- a/cwriter/writer_test.go
+++ /dev/null
@@ -1,20 +0,0 @@
-package cwriter
-
-import (
-	"bytes"
-	"fmt"
-	"testing"
-)
-
-func TestWriter(t *testing.T) {
-	b := &bytes.Buffer{}
-	w := New(b)
-	for i := 0; i < 2; i++ {
-		fmt.Fprintln(w, "foo")
-	}
-	w.Flush()
-	want := "foo\nfoo\n"
-	if b.String() != want {
-		t.Fatalf("want %q, got %q", want, b.String())
-	}
-}