diff --git a/tsconfig.json b/tsconfig.json
index 0454acc4f02..3b9362f8564 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -29,10 +29,10 @@
     // "noImplicitAny": true,                 /* Raise error on expressions and declarations with an implied 'any' type. */
     //     "strictNullChecks": true,              /* Enable strict null checks. */
     // "strictFunctionTypes": true,           /* Enable strict checking of function types. */
-    // "strictBindCallApply": true,           /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
+    "strictBindCallApply": true /* Enable strict 'bind', 'call', and 'apply' methods on functions. */,
     // "strictPropertyInitialization": true,  /* Enable strict checking of property initialization in classes. */
-    // "noImplicitThis": true,                /* Raise error on 'this' expressions with an implied 'any' type. */
-    // "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */
+    "noImplicitThis": true /* Raise error on 'this' expressions with an implied 'any' type. */,
+    "alwaysStrict": true /* Parse in strict mode and emit "use strict" for each source file. */,
     /* Additional Checks */
     // "noUnusedLocals": true,                /* Report errors on unused locals. */
     // "noUnusedParameters": true,            /* Report errors on unused parameters. */