diff --git a/src/OptionsNormalizer.ts b/src/OptionsNormalizer.ts
index 01abf214..b500551a 100644
--- a/src/OptionsNormalizer.ts
+++ b/src/OptionsNormalizer.ts
@@ -15,7 +15,7 @@ export class OptionsNormalizer {
     /**
      * @type {IOptionsPreset}
      */
-    public static SELF_DEFENDING_OPTIONS: IOptionsPreset = {
+    private static SELF_DEFENDING_OPTIONS: IOptionsPreset = {
         compact: true,
         selfDefending: true
     };