diff --git a/resiliency/15_retrier/classifier_test.go b/resiliency/15_retrier/classifier_test.go
index 953102f..f049796 100644
--- a/resiliency/15_retrier/classifier_test.go
+++ b/resiliency/15_retrier/classifier_test.go
@@ -1,16 +1,9 @@
 package retrier
 
 import (
-	"errors"
 	"testing"
 )
 
-var (
-	errFoo = errors.New("FOO")
-	errBar = errors.New("BAR")
-	errBaz = errors.New("BAZ")
-)
-
 func TestDefaultClassifier(t *testing.T) {
 	c := DefaultClassifier{}