diff --git a/logrus_test.go b/logrus_test.go
index 7f1a009..96a66a2 100644
--- a/logrus_test.go
+++ b/logrus_test.go
@@ -3,9 +3,7 @@
 import (
 	"bytes"
 	"encoding/json"
-	"io/ioutil"
 	"testing"
-	"time"
 
 	"github.com/stretchr/testify/assert"
 )
@@ -100,59 +98,3 @@
 		assert.Equal(t, fields["msg"], "testtest")
 	})
 }
-
-type SlowString string
-
-func (s SlowString) String() string {
-	time.Sleep(time.Millisecond)
-	return string(s)
-}
-
-func getLogAtLevel(l Level) *Logger {
-	log := New()
-	log.Level = l
-	log.Out = ioutil.Discard
-	return log
-}
-
-func BenchmarkLevelDisplayed(b *testing.B) {
-	log := getLogAtLevel(Info)
-	for i := 0; i < b.N; i++ {
-		log.Info(SlowString("foo"))
-	}
-}
-
-func BenchmarkLevelHidden(b *testing.B) {
-	log := getLogAtLevel(Info)
-	for i := 0; i < b.N; i++ {
-		log.Debug(SlowString("foo"))
-	}
-}
-
-func BenchmarkLevelfDisplayed(b *testing.B) {
-	log := getLogAtLevel(Info)
-	for i := 0; i < b.N; i++ {
-		log.Infof("%s", SlowString("foo"))
-	}
-}
-
-func BenchmarkLevelfHidden(b *testing.B) {
-	log := getLogAtLevel(Info)
-	for i := 0; i < b.N; i++ {
-		log.Debugf("%s", SlowString("foo"))
-	}
-}
-
-func BenchmarkLevellnDisplayed(b *testing.B) {
-	log := getLogAtLevel(Info)
-	for i := 0; i < b.N; i++ {
-		log.Infoln(SlowString("foo"))
-	}
-}
-
-func BenchmarkLevellnHidden(b *testing.B) {
-	log := getLogAtLevel(Info)
-	for i := 0; i < b.N; i++ {
-		log.Debugln(SlowString("foo"))
-	}
-}