diff --git a/.gitignore b/.gitignore
index 25786692..1864dd01 100644
--- a/.gitignore
+++ b/.gitignore
@@ -86,4 +86,5 @@ app/schemas/
 
 signatures/
 
-app/.cxx
\ No newline at end of file
+app/.cxx
+/i18n/
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/grades/viewholder/SubjectViewHolder.kt b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/grades/viewholder/SubjectViewHolder.kt
index 0dce6297..58015a0a 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/grades/viewholder/SubjectViewHolder.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/grades/viewholder/SubjectViewHolder.kt
@@ -112,6 +112,9 @@ class SubjectViewHolder(
             ))
         }
 
+        // remove previously added grades from year preview
+        if (b.yearContainer.childCount > 1)
+            b.yearContainer.removeViews(1, b.yearContainer.childCount - 1)
         // add the yearly grades to summary container (expanded)
         item.proposedGrade?.let {
             b.yearContainer.addView(GradeView(