diff --git a/synapse/storage/schema/delta/17/drop_indexes.sql b/synapse/storage/schema/delta/17/drop_indexes.sql
deleted file mode 100644
index 7c9a90e27f..0000000000
--- a/synapse/storage/schema/delta/17/drop_indexes.sql
+++ /dev/null
@@ -1,18 +0,0 @@
-/* Copyright 2015, 2016 OpenMarket Ltd
- *
- * 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.
- */
-
-DROP INDEX IF EXISTS sent_transaction_dest;
-DROP INDEX IF EXISTS sent_transaction_sent;
-DROP INDEX IF EXISTS user_ips_user;
diff --git a/synapse/storage/schema/delta/17/server_keys.sql b/synapse/storage/schema/delta/17/server_keys.sql
deleted file mode 100644
index 70b247a06b..0000000000
--- a/synapse/storage/schema/delta/17/server_keys.sql
+++ /dev/null
@@ -1,24 +0,0 @@
-/* Copyright 2015, 2016 OpenMarket Ltd
- *
- * 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.
- */
-
-CREATE TABLE IF NOT EXISTS server_keys_json (
- server_name TEXT, -- Server name.
- key_id TEXT, -- Requested key id.
- from_server TEXT, -- Which server the keys were fetched from.
- ts_added_ms INTEGER, -- When the keys were fetched
- ts_valid_until_ms INTEGER, -- When this version of the keys exipires.
- key_json bytea, -- JSON certificate for the remote server.
- CONSTRAINT uniqueness UNIQUE (server_name, key_id, from_server)
-);
diff --git a/synapse/storage/schema/delta/17/user_threepids.sql b/synapse/storage/schema/delta/17/user_threepids.sql
deleted file mode 100644
index c17715ac80..0000000000
--- a/synapse/storage/schema/delta/17/user_threepids.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-CREATE TABLE user_threepids (
- user_id TEXT NOT NULL,
- medium TEXT NOT NULL,
- address TEXT NOT NULL,
- validated_at BIGINT NOT NULL,
- added_at BIGINT NOT NULL,
- CONSTRAINT user_medium_address UNIQUE (user_id, medium, address)
-);
-CREATE INDEX user_threepids_user_id ON user_threepids(user_id);
|