diff --git a/tslint.json b/tslint.json
index 3da82f97..c63625de 100644
--- a/tslint.json
+++ b/tslint.json
@@ -26,7 +26,6 @@
     ],
     "no-construct": true,
     "no-debugger": true,
-    "no-duplicate-key": true,
     "no-duplicate-variable": true,
     "no-empty": false,
     "no-eval": true,
@@ -37,7 +36,6 @@
     "no-trailing-whitespace": true,
     "no-unused-expression": true,
     "no-unused-variable": true,
-    "no-unreachable": true,
     "no-use-before-declare": true,
     "no-var-keyword": false,
     "object-literal-sort-keys": true,
@@ -62,7 +60,6 @@
       "check-operator",
       "check-separator",
       "check-type"
-    ],
-    "use-strict": [true, "check-module"]
+    ]
   }
 }