diff --git a/lib/app/client.js b/lib/app/client.js
index c2c5b0c4bd..5fc86c11ab 100644
--- a/lib/app/client.js
+++ b/lib/app/client.js
@@ -292,15 +292,14 @@ async function render (to, from, next) {
 
     // Call .validate()
     let isValid = true
-    let validationError
     try {
       for (const Component of Components) {
         if (typeof Component.options.validate !== 'function') {
           continue
         }
-  
+
         isValid = await Component.options.validate(app.context)
-  
+
         if (!isValid) {
           break
         }
diff --git a/lib/app/server.js b/lib/app/server.js
index 4e0f1c5e78..b419e2ecdd 100644
--- a/lib/app/server.js
+++ b/lib/app/server.js
@@ -154,7 +154,6 @@ export default async (ssrContext) => {
   ** Call .validate()
   */
   let isValid = true
-  let validationError
   try {
     for (const Component of Components) {
       if (typeof Component.options.validate !== 'function') {