diff --git a/contrib/fuzz/content_fuzzer.go b/contrib/fuzz/content_fuzzer.go
index e3523a9a2..fd47150d8 100644
--- a/contrib/fuzz/content_fuzzer.go
+++ b/contrib/fuzz/content_fuzzer.go
@@ -105,6 +105,7 @@ func FuzzCSWalk(data []byte) int {
 	if err != nil {
 		return 0
 	}
+	defer os.RemoveAll(tmpdir)
 	cs, err := local.NewStore(tmpdir)
 	if err != nil {
 		return 0