diff --git a/clientapi/routing/admin.go b/clientapi/routing/admin.go
index 9dd45a020..2e80429bb 100644
--- a/clientapi/routing/admin.go
+++ b/clientapi/routing/admin.go
@@ -70,29 +70,19 @@ func AdminEvacuateUser(req *http.Request, rsAPI roomserverAPI.ClientRoomserverAP
 	}
 }
 
-func AdminPurgeRoom(req *http.Request, cfg *config.ClientAPI, device *api.Device, rsAPI roomserverAPI.ClientRoomserverAPI) util.JSONResponse {
+func AdminPurgeRoom(req *http.Request, rsAPI roomserverAPI.ClientRoomserverAPI) util.JSONResponse {
 	vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
 	if err != nil {
 		return util.ErrorResponse(err)
 	}
-	roomID := vars["roomID"]
 
-	res := &roomserverAPI.PerformAdminPurgeRoomResponse{}
-	if err := rsAPI.PerformAdminPurgeRoom(
-		context.Background(),
-		&roomserverAPI.PerformAdminPurgeRoomRequest{
-			RoomID: roomID,
-		},
-		res,
-	); err != nil {
+	if err = rsAPI.PerformAdminPurgeRoom(context.Background(), vars["roomID"]); err != nil {
 		return util.ErrorResponse(err)
 	}
-	if err := res.Error; err != nil {
-		return err.JSONResponse()
-	}
+
 	return util.JSONResponse{
 		Code: 200,
-		JSON: res,
+		JSON: struct{}{},
 	}
 }
 
diff --git a/roomserver/api/api.go b/roomserver/api/api.go
index 891219770..8c66c9ce1 100644
--- a/roomserver/api/api.go
+++ b/roomserver/api/api.go
@@ -153,7 +153,7 @@ type ClientRoomserverAPI interface {
 	PerformRoomUpgrade(ctx context.Context, req *PerformRoomUpgradeRequest, resp *PerformRoomUpgradeResponse) error
 	PerformAdminEvacuateRoom(ctx context.Context, roomID string) (affected []string, err error)
 	PerformAdminEvacuateUser(ctx context.Context, userID string) (affected []string, err error)
-	PerformAdminPurgeRoom(ctx context.Context, req *PerformAdminPurgeRoomRequest, res *PerformAdminPurgeRoomResponse) error
+	PerformAdminPurgeRoom(ctx context.Context, roomID string) error
 	PerformAdminDownloadState(ctx context.Context, req *PerformAdminDownloadStateRequest, res *PerformAdminDownloadStateResponse) error
 	PerformPeek(ctx context.Context, req *PerformPeekRequest, res *PerformPeekResponse) error
 	PerformUnpeek(ctx context.Context, req *PerformUnpeekRequest, res *PerformUnpeekResponse) error
diff --git a/roomserver/internal/perform/perform_admin.go b/roomserver/internal/perform/perform_admin.go
index 18df7ad4f..3e2e8cabb 100644
--- a/roomserver/internal/perform/perform_admin.go
+++ b/roomserver/internal/perform/perform_admin.go
@@ -186,35 +186,26 @@ func (r *Admin) PerformAdminEvacuateUser(
 
 func (r *Admin) PerformAdminPurgeRoom(
 	ctx context.Context,
-	req *api.PerformAdminPurgeRoomRequest,
-	res *api.PerformAdminPurgeRoomResponse,
+	roomID string,
 ) error {
 	// Validate we actually got a room ID and nothing else
-	if _, _, err := gomatrixserverlib.SplitID('!', req.RoomID); err != nil {
-		res.Error = &api.PerformError{
-			Code: api.PerformErrorBadRequest,
-			Msg:  fmt.Sprintf("Malformed room ID: %s", err),
-		}
-		return nil
+	if _, _, err := gomatrixserverlib.SplitID('!', roomID); err != nil {
+		return err
 	}
 
-	logrus.WithField("room_id", req.RoomID).Warn("Purging room from roomserver")
-	if err := r.DB.PurgeRoom(ctx, req.RoomID); err != nil {
-		logrus.WithField("room_id", req.RoomID).WithError(err).Warn("Failed to purge room from roomserver")
-		res.Error = &api.PerformError{
-			Code: api.PerformErrorBadRequest,
-			Msg:  err.Error(),
-		}
-		return nil
+	logrus.WithField("room_id", roomID).Warn("Purging room from roomserver")
+	if err := r.DB.PurgeRoom(ctx, roomID); err != nil {
+		logrus.WithField("room_id", roomID).WithError(err).Warn("Failed to purge room from roomserver")
+		return err
 	}
 
-	logrus.WithField("room_id", req.RoomID).Warn("Room purged from roomserver")
+	logrus.WithField("room_id", roomID).Warn("Room purged from roomserver")
 
-	return r.Inputer.OutputProducer.ProduceRoomEvents(req.RoomID, []api.OutputEvent{
+	return r.Inputer.OutputProducer.ProduceRoomEvents(roomID, []api.OutputEvent{
 		{
 			Type: api.OutputTypePurgeRoom,
 			PurgeRoom: &api.OutputPurgeRoom{
-				RoomID: req.RoomID,
+				RoomID: roomID,
 			},
 		},
 	})