diff --git a/pkg/volume/testing/testing.go b/pkg/volume/testing/testing.go
index aaad59a695d..5babfd7afef 100644
--- a/pkg/volume/testing/testing.go
+++ b/pkg/volume/testing/testing.go
@@ -507,6 +507,7 @@ func FindEmptyDirectoryUsageOnTmpfs() (*resource.Quantity, error) {
 	if err != nil {
 		return nil, err
 	}
+	defer os.RemoveAll(tmpDir)
 	out, err := exec.Command("nice", "-n", "19", "du", "-s", "-B", "1", tmpDir).CombinedOutput()
 	if err != nil {
 		return nil, fmt.Errorf("failed command 'du' on %s with error %v", tmpDir, err)