diff --git a/tslint.json b/tslint.json
index be5e863f..9c0d0c87 100644
--- a/tslint.json
+++ b/tslint.json
@@ -181,13 +181,16 @@
     "triple-equals": {
       "options": ["allow-null-check"]
     },
-    "typedef": [
-      true,
-      "call-signature",
-      "parameter",
-      "property-declaration",
-      "member-variable-declaration"
-    ],
+    "typedef": {
+      "severity": "warning",
+      "options": [
+        true,
+        "call-signature",
+        "parameter",
+        "property-declaration",
+        "member-variable-declaration"
+      ]
+    },
     "typedef-whitespace": {
       "options": [
         {