1 files changed, 1 insertions, 1 deletions
diff --git a/app/assets/javascripts/diffs/store/modules/diff_state.js b/app/assets/javascripts/diffs/store/modules/diff_state.js
index d31a600e354..001d9d9f594 100644
--- a/app/assets/javascripts/diffs/store/modules/diff_state.js
+++ b/app/assets/javascripts/diffs/store/modules/diff_state.js
@@ -34,6 +34,7 @@ export default () => ({
   showTreeList: true,
   currentDiffFileId: '',
   projectPath: '',
+  viewedDiffFileIds: {},
   commentForms: [],
   highlightedRow: null,
   renderTreeList: true,
@@ -41,5 +42,4 @@ export default () => ({
   fileFinderVisible: false,
   dismissEndpoint: '',
   showSuggestPopover: true,
-  useSingleDiffStyle: false,
 });