diff --git a/.eslintrc.json b/.eslintrc.json
index db3c608d..241986aa 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -10,11 +10,12 @@
     "no-unused-vars": "off",
     "eslint-comments/no-use": "off",
     "import/no-namespace": "off",
-    "@typescript-eslint/no-unused-vars": "error"
+    "@typescript-eslint/no-unused-vars": "error",
+    "@typescript-eslint/explicit-member-accessibility": ["error", {"accessibility": "no-public"}]
   },
   "env": {
     "node": true,
     "es6": true,
     "jest/globals": true
   }
-}
\ No newline at end of file
+}
diff --git a/packages/core/src/command.ts b/packages/core/src/command.ts
index a3d241b6..41724d37 100644
--- a/packages/core/src/command.ts
+++ b/packages/core/src/command.ts
@@ -42,11 +42,11 @@ class Command {
     this.message = message
   }
 
-  public command: string
-  public message: string
-  public properties: {[key: string]: string}
+  command: string
+  message: string
+  properties: {[key: string]: string}
 
-  public toString() {
+  toString() {
     let cmdStr = CMD_PREFIX + this.command
 
     if (this.properties && Object.keys(this.properties).length > 0) {