diff --git a/backend/src/app/rpc.clj b/backend/src/app/rpc.clj
index 69f9d84fbc..f9c36515a3 100644
--- a/backend/src/app/rpc.clj
+++ b/backend/src/app/rpc.clj
@@ -139,15 +139,10 @@
         (f cfg (us/conform spec params)))
       f)))
 
-;; TODO: integrate with sm/define
-
 (defn- wrap-params-validation
   [_ f mdata]
   (if-let [schema (::sm/params mdata)]
-    (let [schema   (if (sm/lazy-schema? schema)
-                     schema
-                     (sm/define schema))
-          validate (sm/validator schema)
+    (let [validate (sm/validator schema)
           explain  (sm/explainer schema)
           decode   (sm/decoder schema)]
       (fn [cfg params]