diff --git a/roomserver/storage/sqlite3/event_json_table.go b/roomserver/storage/sqlite3/event_json_table.go
index dc26885bb..9fc5ad973 100644
--- a/roomserver/storage/sqlite3/event_json_table.go
+++ b/roomserver/storage/sqlite3/event_json_table.go
@@ -18,6 +18,7 @@ package sqlite3
 import (
 	"context"
 	"database/sql"
+	"fmt"
 	"strings"
 
 	"github.com/matrix-org/dendrite/internal"
@@ -111,3 +112,9 @@ func (s *eventJSONStatements) BulkSelectEventJSON(
 	}
 	return results[:i], nil
 }
+
+func (s *eventJSONStatements) PurgeEventJSONs(
+	ctx context.Context, txn *sql.Tx, roomNID types.RoomNID,
+) error {
+	return fmt.Errorf("not implemented on SQLite")
+}
diff --git a/roomserver/storage/sqlite3/events_table.go b/roomserver/storage/sqlite3/events_table.go
index 943f256eb..28b8afaf2 100644
--- a/roomserver/storage/sqlite3/events_table.go
+++ b/roomserver/storage/sqlite3/events_table.go
@@ -646,3 +646,9 @@ func (s *eventStatements) SelectEventRejected(
 	err = stmt.QueryRowContext(ctx, roomNID, eventID).Scan(&rejected)
 	return
 }
+
+func (s *eventStatements) PurgeEvents(
+	ctx context.Context, txn *sql.Tx, roomNID types.RoomNID,
+) error {
+	return fmt.Errorf("not implemented on SQLite")
+}
diff --git a/roomserver/storage/sqlite3/invite_table.go b/roomserver/storage/sqlite3/invite_table.go
index e051d63af..e02497153 100644
--- a/roomserver/storage/sqlite3/invite_table.go
+++ b/roomserver/storage/sqlite3/invite_table.go
@@ -18,6 +18,7 @@ package sqlite3
 import (
 	"context"
 	"database/sql"
+	"fmt"
 
 	"github.com/matrix-org/dendrite/internal"
 	"github.com/matrix-org/dendrite/internal/sqlutil"
@@ -158,3 +159,9 @@ func (s *inviteStatements) SelectInviteActiveForUserInRoom(
 	}
 	return result, eventIDs, nil
 }
+
+func (s *inviteStatements) PurgeInvites(
+	ctx context.Context, txn *sql.Tx, roomNID types.RoomNID,
+) error {
+	return fmt.Errorf("not implemented on SQLite")
+}
diff --git a/roomserver/storage/sqlite3/membership_table.go b/roomserver/storage/sqlite3/membership_table.go
index f3303eb0e..540985d04 100644
--- a/roomserver/storage/sqlite3/membership_table.go
+++ b/roomserver/storage/sqlite3/membership_table.go
@@ -407,3 +407,9 @@ func (s *membershipStatements) DeleteMembership(
 	)
 	return err
 }
+
+func (s *membershipStatements) PurgeMemberships(
+	ctx context.Context, txn *sql.Tx, roomNID types.RoomNID,
+) error {
+	return fmt.Errorf("not implemented on SQLite")
+}
diff --git a/roomserver/storage/sqlite3/previous_events_table.go b/roomserver/storage/sqlite3/previous_events_table.go
index 2a146ef64..a59732263 100644
--- a/roomserver/storage/sqlite3/previous_events_table.go
+++ b/roomserver/storage/sqlite3/previous_events_table.go
@@ -129,3 +129,9 @@ func (s *previousEventStatements) SelectPreviousEventExists(
 	stmt := sqlutil.TxStmt(txn, s.selectPreviousEventExistsStmt)
 	return stmt.QueryRowContext(ctx, eventID, eventReferenceSHA256).Scan(&ok)
 }
+
+func (s *previousEventStatements) PurgePreviousEvents(
+	ctx context.Context, txn *sql.Tx, roomNID types.RoomNID,
+) error {
+	return fmt.Errorf("not implemented on SQLite")
+}
diff --git a/roomserver/storage/sqlite3/published_table.go b/roomserver/storage/sqlite3/published_table.go
index 50dfa5492..77426afcf 100644
--- a/roomserver/storage/sqlite3/published_table.go
+++ b/roomserver/storage/sqlite3/published_table.go
@@ -17,6 +17,7 @@ package sqlite3
 import (
 	"context"
 	"database/sql"
+	"fmt"
 
 	"github.com/matrix-org/dendrite/internal"
 	"github.com/matrix-org/dendrite/internal/sqlutil"
@@ -106,3 +107,9 @@ func (s *publishedStatements) SelectAllPublishedRooms(
 	}
 	return roomIDs, rows.Err()
 }
+
+func (s *publishedStatements) PurgePublished(
+	ctx context.Context, txn *sql.Tx, roomID string,
+) error {
+	return fmt.Errorf("not implemented on SQLite")
+}
diff --git a/roomserver/storage/sqlite3/redactions_table.go b/roomserver/storage/sqlite3/redactions_table.go
index db6f57a1b..702713fd1 100644
--- a/roomserver/storage/sqlite3/redactions_table.go
+++ b/roomserver/storage/sqlite3/redactions_table.go
@@ -17,9 +17,11 @@ package sqlite3
 import (
 	"context"
 	"database/sql"
+	"fmt"
 
 	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/roomserver/storage/tables"
+	"github.com/matrix-org/dendrite/roomserver/types"
 )
 
 const redactionsSchema = `
@@ -121,3 +123,9 @@ func (s *redactionStatements) MarkRedactionValidated(
 	_, err := stmt.ExecContext(ctx, validated, redactionEventID)
 	return err
 }
+
+func (s *redactionStatements) PurgeRedactions(
+	ctx context.Context, txn *sql.Tx, roomNID types.RoomNID,
+) error {
+	return fmt.Errorf("not implemented on SQLite")
+}
diff --git a/roomserver/storage/sqlite3/room_aliases_table.go b/roomserver/storage/sqlite3/room_aliases_table.go
index 3bdbbaa35..ca63c55bf 100644
--- a/roomserver/storage/sqlite3/room_aliases_table.go
+++ b/roomserver/storage/sqlite3/room_aliases_table.go
@@ -18,6 +18,7 @@ package sqlite3
 import (
 	"context"
 	"database/sql"
+	"fmt"
 
 	"github.com/matrix-org/dendrite/internal"
 	"github.com/matrix-org/dendrite/internal/sqlutil"
@@ -143,3 +144,9 @@ func (s *roomAliasesStatements) DeleteRoomAlias(
 	_, err := stmt.ExecContext(ctx, alias)
 	return err
 }
+
+func (s *roomAliasesStatements) PurgeRoomAliases(
+	ctx context.Context, txn *sql.Tx, roomID string,
+) error {
+	return fmt.Errorf("not implemented on SQLite")
+}
diff --git a/roomserver/storage/sqlite3/state_block_table.go b/roomserver/storage/sqlite3/state_block_table.go
index 4e67d4da1..353eab978 100644
--- a/roomserver/storage/sqlite3/state_block_table.go
+++ b/roomserver/storage/sqlite3/state_block_table.go
@@ -141,3 +141,9 @@ func (s *stateBlockStatements) BulkSelectStateBlockEntries(
 	}
 	return results, err
 }
+
+func (s *stateBlockStatements) PurgeStateBlocks(
+	ctx context.Context, txn *sql.Tx, roomNID types.RoomNID,
+) error {
+	return fmt.Errorf("not implemented on SQLite")
+}
diff --git a/roomserver/storage/sqlite3/state_snapshot_table.go b/roomserver/storage/sqlite3/state_snapshot_table.go
index 73827522c..3f4d8ba83 100644
--- a/roomserver/storage/sqlite3/state_snapshot_table.go
+++ b/roomserver/storage/sqlite3/state_snapshot_table.go
@@ -146,3 +146,9 @@ func (s *stateSnapshotStatements) BulkSelectStateForHistoryVisibility(
 ) ([]types.EventNID, error) {
 	return nil, tables.OptimisationNotSupportedError
 }
+
+func (s *stateSnapshotStatements) PurgeStateSnapshots(
+	ctx context.Context, txn *sql.Tx, roomNID types.RoomNID,
+) error {
+	return fmt.Errorf("not implemented on SQLite")
+}