diff --git a/tsconfig.json b/tsconfig.json
index 2e4f9d08b..890c2b9f0 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -23,12 +23,12 @@
 
     /* Strict Type-Checking Options */
     "strict": true,                           /* Enable all strict type-checking options. */
-    // "noImplicitAny": true,                 /* Raise error on expressions and declarations with an implied 'any' type. */
+    "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. */
-    // "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. */
+    "strictFunctionTypes": true,              /* Enable strict checking of function types. */
+    "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. */
 
     /* Additional Checks */
     "noUnusedLocals": true,                   /* Report errors on unused locals. */