diff --git a/pkg/releaseutil/manifest.go b/pkg/releaseutil/manifest.go
index e86e3892a..9a62efe85 100644
--- a/pkg/releaseutil/manifest.go
+++ b/pkg/releaseutil/manifest.go
@@ -19,7 +19,6 @@ package releaseutil
 import (
 	"fmt"
 	"regexp"
-	"strings"
 )
 
 // SimpleHead defines what the structure of the head of a manifest file