diff --git a/roomserver/internal/perform/perform_forget.go b/roomserver/internal/perform/perform_forget.go
new file mode 100644
index 000000000..e970d9a88
--- /dev/null
+++ b/roomserver/internal/perform/perform_forget.go
@@ -0,0 +1,35 @@
+// Copyright 2020 The Matrix.org Foundation C.I.C.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package perform
+
+import (
+	"context"
+
+	"github.com/matrix-org/dendrite/roomserver/api"
+	"github.com/matrix-org/dendrite/roomserver/storage"
+)
+
+type Forgetter struct {
+	DB storage.Database
+}
+
+// PerformForget implements api.RoomServerQueryAPI
+func (f *Forgetter) PerformForget(
+	ctx context.Context,
+	request *api.PerformForgetRequest,
+	response *api.PerformForgetResponse,
+) error {
+	return f.DB.ForgetRoom(ctx, request.UserID, request.RoomID, true)
+}