diff --git a/drivers/aufs/aufs_test.go b/drivers/aufs/aufs_test.go
index d57505e027..79cd372958 100644
--- a/drivers/aufs/aufs_test.go
+++ b/drivers/aufs/aufs_test.go
@@ -744,7 +744,7 @@ func BenchmarkConcurrentAccess(b *testing.B) {
 	}
 
 	parent := ids[1]
-	ids = append(ids[2:])
+	ids = ids[2:]
 
 	chErr := make(chan error, numConcurrent)
 	var outerGroup sync.WaitGroup
diff --git a/tests/tools/Makefile b/tests/tools/Makefile
index 9cc9eedfcc..66c6d17e4b 100644
--- a/tests/tools/Makefile
+++ b/tests/tools/Makefile
@@ -29,6 +29,6 @@ $(BUILDDIR)/git-validation:
 $(BUILDDIR)/go-md2man:
 	$(call go-build,./vendor/github.com/cpuguy83/go-md2man)
 
-$(BUILDDIR)/golangci-lint: VERSION=v1.51.2
+$(BUILDDIR)/golangci-lint: VERSION=v1.55.2
 $(BUILDDIR)/golangci-lint:
 	curl -fsSL https://raw.githubusercontent.com/golangci/golangci-lint/$(VERSION)/install.sh | sh -s -- -b ./$(BUILDDIR) $(VERSION)