diff --git a/bench/go.mod b/bench/go.mod
index 67bd346b9..47de0f797 100644
--- a/bench/go.mod
+++ b/bench/go.mod
@@ -11,6 +11,7 @@ require (
 	github.com/urfave/cli v1.22.1
 	go.uber.org/zap v1.26.0
 	golang.org/x/sync v0.4.0
+
 )
 
 require (
diff --git a/bench/isupipe/assert.go b/bench/isupipe/assert.go
index b03fffc74..e7da1680a 100644
--- a/bench/isupipe/assert.go
+++ b/bench/isupipe/assert.go
@@ -35,7 +35,6 @@ func assertSearchLivestream() {
 // FIXME: いくらか画面表示内容に問題がないことをチェックする
 
 // moderateにより登録されたNGワードが含まれるコメントが残っていたら失格
-// FIXME: ベンチ側では、ngワードのmoderate後に含まれる投稿を見つけたら失格扱いにする
 func assertModeratedComment() {
 	// NGワード一覧取得
 
diff --git a/bench/isupipe/client_livecomment.go b/bench/isupipe/client_livecomment.go
index 6305732b9..081e52b54 100644
--- a/bench/isupipe/client_livecomment.go
+++ b/bench/isupipe/client_livecomment.go
@@ -13,14 +13,13 @@ import (
 )
 
 type Livecomment struct {
-	Id          int        `json:"id"`
-	User        User       `json:"user"`
-	Livestream  Livestream `json:"livestream"`
-	Comment     string     `json:"comment"`
-	Tip         int        `json:"tip"`
-	ReportCount int        `json:"report_count"`
-	CreatedAt   int        `json:"created_at"`
-	UpdatedAt   int        `json:"updated_at"`
+	Id         int        `json:"id"`
+	User       User       `json:"user"`
+	Livestream Livestream `json:"livestream"`
+	Comment    string     `json:"comment"`
+	Tip        int        `json:"tip"`
+	CreatedAt  int        `json:"created_at"`
+	UpdatedAt  int        `json:"updated_at"`
 }
 
 type LivecommentReport struct {
@@ -123,6 +122,8 @@ func (c *Client) GetLivecommentReports(ctx context.Context, livestreamId int, op
 	return reports, nil
 }
 
+func (c *Client) GetNgwords(ctx context.Context)
+
 func (c *Client) PostLivecomment(ctx context.Context, livestreamId int, r *PostLivecommentRequest, opts ...ClientOption) (*PostLivecommentResponse, error) {
 	var (
 		defaultStatusCode = http.StatusCreated
diff --git a/docs/isupipe.yaml b/docs/isupipe.yaml
index 44802eb16..3715e9688 100644
--- a/docs/isupipe.yaml
+++ b/docs/isupipe.yaml
@@ -552,8 +552,6 @@ components:
           type: string
         tip:
           type: integer
-        report_count:
-          type: integer
         created_at:
           type: integer
         updated_at:
diff --git a/webapp/go/livecomment_handler.go b/webapp/go/livecomment_handler.go
index 8af637520..15bf16772 100644
--- a/webapp/go/livecomment_handler.go
+++ b/webapp/go/livecomment_handler.go
@@ -25,20 +25,18 @@ type LivecommentModel struct {
 	LivestreamId int64  `db:"livestream_id"`
 	Comment      string `db:"comment"`
 	Tip          int64  `db:"tip"`
-	ReportCount  int64  `db:"report_count"`
 	CreatedAt    int64  `db:"created_at"`
 	UpdatedAt    int64  `db:"updated_at"`
 }
 
 type Livecomment struct {
-	Id          int64      `json:"id"`
-	User        User       `json:"user"`
-	Livestream  Livestream `json:"livestream"`
-	Comment     string     `json:"comment"`
-	Tip         int64      `json:"tip"`
-	ReportCount int64      `json:"report_count"`
-	CreatedAt   int64      `json:"created_at"`
-	UpdatedAt   int64      `json:"updated_at"`
+	Id         int64      `json:"id"`
+	User       User       `json:"user"`
+	Livestream Livestream `json:"livestream"`
+	Comment    string     `json:"comment"`
+	Tip        int64      `json:"tip"`
+	CreatedAt  int64      `json:"created_at"`
+	UpdatedAt  int64      `json:"updated_at"`
 }
 
 type LivecommentReport struct {
@@ -334,10 +332,6 @@ func reportLivecommentHandler(c echo.Context) error {
 	}
 	reportModel.Id = reportId
 
-	if _, err := tx.ExecContext(ctx, "UPDATE livecomments SET report_count = report_count + 1 WHERE id = ?", livecommentId); err != nil {
-		return echo.NewHTTPError(http.StatusInternalServerError, err.Error())
-	}
-
 	report, err := fillLivecommentReportResponse(ctx, tx, reportModel)
 	if err != nil {
 		return echo.NewHTTPError(http.StatusInternalServerError, err.Error())
@@ -435,14 +429,13 @@ func fillLivecommentResponse(ctx context.Context, tx *sqlx.Tx, livecommentModel
 	}
 
 	livecomment := Livecomment{
-		Id:          livecommentModel.Id,
-		User:        commentOwner,
-		Livestream:  livestream,
-		Comment:     livecommentModel.Comment,
-		Tip:         livecommentModel.Tip,
-		ReportCount: livecommentModel.ReportCount,
-		CreatedAt:   livecommentModel.CreatedAt,
-		UpdatedAt:   livecommentModel.UpdatedAt,
+		Id:         livecommentModel.Id,
+		User:       commentOwner,
+		Livestream: livestream,
+		Comment:    livecommentModel.Comment,
+		Tip:        livecommentModel.Tip,
+		CreatedAt:  livecommentModel.CreatedAt,
+		UpdatedAt:  livecommentModel.UpdatedAt,
 	}
 
 	return livecomment, nil
diff --git a/webapp/sql/initdb.d/10_schema.sql b/webapp/sql/initdb.d/10_schema.sql
index 51cf2da9e..417890fc9 100644
--- a/webapp/sql/initdb.d/10_schema.sql
+++ b/webapp/sql/initdb.d/10_schema.sql
@@ -82,13 +82,11 @@ CREATE TABLE `livecomments` (
   -- 単位はISU (1,2,3,4,5, ...などわかりやすい数値で良い気がする)
   -- 色は、青、水、黄緑、黃、マゼンタ、赤の６段階 (ココらへんはフロントエンドでいい感じにしてもらう)
   `tip` BIGINT NOT NULL,
-  -- スパム報告数
-  `report_count` BIGINT DEFAULT 0 NOT NULL,
   `created_at` BIGINT NOT NULL DEFAULT 0,
   `updated_at` BIGINT NOT NULL DEFAULT 0,
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;
-CREATE INDEX livecomments_covering ON livecomments(`created_at`, `user_id`, `tip`, `report_count`, `updated_at`, `comment`, `livestream_id`);
+CREATE INDEX livecomments_covering ON livecomments(`created_at`, `user_id`, `tip`, `updated_at`, `comment`, `livestream_id`);
 
 -- ユーザからのライブコメントのスパム報告
 CREATE TABLE `livecomment_reports` (