diff --git a/driver.go b/driver.go
index d991156..e9c85d5 100644
--- a/driver.go
+++ b/driver.go
@@ -199,6 +199,9 @@ func (ram RAM) Set(_ context.Context, ns, id string, v []byte) error {
 		ram.m[ns] = map[string][]byte{}
 	}
 	ram.m[ns][id] = v
+	if v == nil {
+		delete(ram.m[ns], id)
+	}
 
 	return nil
 }