1 files changed, 1 insertions, 1 deletions
diff --git a/app/assets/javascripts/diffs/store/mutations.js b/app/assets/javascripts/diffs/store/mutations.js
index 0b538cd7982..0522e32c410 100644
--- a/app/assets/javascripts/diffs/store/mutations.js
+++ b/app/assets/javascripts/diffs/store/mutations.js
@@ -34,7 +34,7 @@ export default {
 
       if (file.highlightedDiffLines) {
         const linesLength = file.highlightedDiffLines.length;
-        let u = 0;
+        let u;
         for (u = 0; u < linesLength; u += 1) {
           const line = file.highlightedDiffLines[u];
           delete line.text;