diff --git a/optuna_dashboard/ts/components/Preferential/PreferentialAnalytics.tsx b/optuna_dashboard/ts/components/Preferential/PreferentialAnalytics.tsx
index c429b22a..554e6ea4 100644
--- a/optuna_dashboard/ts/components/Preferential/PreferentialAnalytics.tsx
+++ b/optuna_dashboard/ts/components/Preferential/PreferentialAnalytics.tsx
@@ -27,13 +27,11 @@ export const PreferentialAnalytics: FC<{ studyId: number }> = ({ studyId }) => {
   const columns: ColumnDef<Optuna.Attribute, any>[] = [
     columnHelper.accessor("key", {
       header: "Key",
-      footer: (info) => info.column.id,
       enableSorting: true,
       enableColumnFilter: false,
     }),
     columnHelper.accessor("value", {
       header: "Value",
-      footer: (info) => info.column.id,
       enableSorting: true,
       enableColumnFilter: false,
     }),
diff --git a/optuna_dashboard/ts/components/StudyHistory.tsx b/optuna_dashboard/ts/components/StudyHistory.tsx
index 28d3152c..6577f050 100644
--- a/optuna_dashboard/ts/components/StudyHistory.tsx
+++ b/optuna_dashboard/ts/components/StudyHistory.tsx
@@ -54,13 +54,11 @@ export const StudyHistory: FC<{ studyId: number }> = ({ studyId }) => {
   const columns: ColumnDef<Optuna.Attribute, any>[] = [
     columnHelper.accessor("key", {
       header: "Key",
-      footer: (info) => info.column.id,
       enableSorting: true,
       enableColumnFilter: false,
     }),
     columnHelper.accessor("value", {
       header: "Value",
-      footer: (info) => info.column.id,
       enableSorting: true,
       enableColumnFilter: false,
     }),