diff --git a/syncapi/storage/sqlite3/backwards_extremities_table.go b/syncapi/storage/sqlite3/backwards_extremities_table.go
index 26e306369..9a9f3a93d 100644
--- a/syncapi/storage/sqlite3/backwards_extremities_table.go
+++ b/syncapi/storage/sqlite3/backwards_extremities_table.go
@@ -17,7 +17,6 @@ package sqlite3
 import (
 	"context"
 	"database/sql"
-	"fmt"
 
 	"github.com/matrix-org/dendrite/internal"
 	"github.com/matrix-org/dendrite/internal/sqlutil"
@@ -48,11 +47,15 @@ const selectBackwardExtremitiesForRoomSQL = "" +
 const deleteBackwardExtremitySQL = "" +
 	"DELETE FROM syncapi_backward_extremities WHERE room_id = $1 AND prev_event_id = $2"
 
+const purgeBackwardExtremitiesSQL = "" +
+	"DELETE FROM syncapi_backward_extremities WHERE room_id = $1"
+
 type backwardExtremitiesStatements struct {
 	db                                   *sql.DB
 	insertBackwardExtremityStmt          *sql.Stmt
 	selectBackwardExtremitiesForRoomStmt *sql.Stmt
 	deleteBackwardExtremityStmt          *sql.Stmt
+	purgeBackwardExtremitiesStmt         *sql.Stmt
 }
 
 func NewSqliteBackwardsExtremitiesTable(db *sql.DB) (tables.BackwardsExtremities, error) {
@@ -72,6 +75,9 @@ func NewSqliteBackwardsExtremitiesTable(db *sql.DB) (tables.BackwardsExtremities
 	if s.deleteBackwardExtremityStmt, err = db.Prepare(deleteBackwardExtremitySQL); err != nil {
 		return nil, err
 	}
+	if s.purgeBackwardExtremitiesStmt, err = db.Prepare(purgeBackwardExtremitiesSQL); err != nil {
+		return nil, err
+	}
 	return s, nil
 }
 
@@ -114,5 +120,6 @@ func (s *backwardExtremitiesStatements) DeleteBackwardExtremity(
 func (s *backwardExtremitiesStatements) PurgeBackwardExtremities(
 	ctx context.Context, txn *sql.Tx, roomID string,
 ) error {
-	return fmt.Errorf("not implemented on SQLite")
+	_, err := sqlutil.TxStmt(txn, s.purgeBackwardExtremitiesStmt).ExecContext(ctx, roomID)
+	return err
 }
diff --git a/syncapi/storage/sqlite3/invites_table.go b/syncapi/storage/sqlite3/invites_table.go
index 8465cebff..2f29feebd 100644
--- a/syncapi/storage/sqlite3/invites_table.go
+++ b/syncapi/storage/sqlite3/invites_table.go
@@ -19,7 +19,6 @@ import (
 	"context"
 	"database/sql"
 	"encoding/json"
-	"fmt"
 
 	"github.com/matrix-org/dendrite/internal"
 	"github.com/matrix-org/dendrite/internal/sqlutil"
@@ -58,6 +57,9 @@ const selectInviteEventsInRangeSQL = "" +
 const selectMaxInviteIDSQL = "" +
 	"SELECT MAX(id) FROM syncapi_invite_events"
 
+const purgeInvitesSQL = "" +
+	"DELETE FROM syncapi_invite_events WHERE room_id = $1"
+
 type inviteEventsStatements struct {
 	db                            *sql.DB
 	streamIDStatements            *StreamIDStatements
@@ -65,6 +67,7 @@ type inviteEventsStatements struct {
 	selectInviteEventsInRangeStmt *sql.Stmt
 	deleteInviteEventStmt         *sql.Stmt
 	selectMaxInviteIDStmt         *sql.Stmt
+	purgeInvitesStmt              *sql.Stmt
 }
 
 func NewSqliteInvitesTable(db *sql.DB, streamID *StreamIDStatements) (tables.Invites, error) {
@@ -88,6 +91,9 @@ func NewSqliteInvitesTable(db *sql.DB, streamID *StreamIDStatements) (tables.Inv
 	if s.selectMaxInviteIDStmt, err = db.Prepare(selectMaxInviteIDSQL); err != nil {
 		return nil, err
 	}
+	if s.purgeInvitesStmt, err = db.Prepare(purgeInvitesSQL); err != nil {
+		return nil, err
+	}
 	return s, nil
 }
 
@@ -197,5 +203,6 @@ func (s *inviteEventsStatements) SelectMaxInviteID(
 func (s *inviteEventsStatements) PurgeInvites(
 	ctx context.Context, txn *sql.Tx, roomID string,
 ) error {
-	return fmt.Errorf("not implemented on SQLite")
+	_, err := sqlutil.TxStmt(txn, s.purgeInvitesStmt).ExecContext(ctx, roomID)
+	return err
 }
diff --git a/syncapi/storage/sqlite3/memberships_table.go b/syncapi/storage/sqlite3/memberships_table.go
index 8d44ce39d..aee9b6722 100644
--- a/syncapi/storage/sqlite3/memberships_table.go
+++ b/syncapi/storage/sqlite3/memberships_table.go
@@ -77,6 +77,9 @@ SELECT event_id FROM
 		 	AND ($4 IS NULL OR t.membership <> $4)
 `
 
+const purgeMembershipsSQL = "" +
+	"DELETE FROM syncapi_memberships WHERE room_id = $1"
+
 type membershipsStatements struct {
 	db                        *sql.DB
 	upsertMembershipStmt      *sql.Stmt
@@ -84,6 +87,7 @@ type membershipsStatements struct {
 	//selectHeroesStmt          *sql.Stmt - prepared at runtime due to variadic
 	selectMembershipForUserStmt *sql.Stmt
 	selectMembersStmt           *sql.Stmt
+	purgeMembershipsStmt        *sql.Stmt
 }
 
 func NewSqliteMembershipsTable(db *sql.DB) (tables.Memberships, error) {
@@ -99,6 +103,7 @@ func NewSqliteMembershipsTable(db *sql.DB) (tables.Memberships, error) {
 		{&s.selectMembershipCountStmt, selectMembershipCountSQL},
 		{&s.selectMembershipForUserStmt, selectMembershipBeforeSQL},
 		{&s.selectMembersStmt, selectMembersSQL},
+		{&s.purgeMembershipsStmt, purgeMembershipsSQL},
 		// {&s.selectHeroesStmt, selectHeroesSQL}, - prepared at runtime due to variadic
 	}.Prepare(db)
 }
@@ -184,7 +189,8 @@ func (s *membershipsStatements) SelectMembershipForUser(
 func (s *membershipsStatements) PurgeMemberships(
 	ctx context.Context, txn *sql.Tx, roomID string,
 ) error {
-	return fmt.Errorf("not implemented on SQLite")
+	_, err := sqlutil.TxStmt(txn, s.purgeMembershipsStmt).ExecContext(ctx, roomID)
+	return err
 }
 
 func (s *membershipsStatements) SelectMemberships(
diff --git a/syncapi/storage/sqlite3/notification_data_table.go b/syncapi/storage/sqlite3/notification_data_table.go
index ab26ed1eb..af2b2c074 100644
--- a/syncapi/storage/sqlite3/notification_data_table.go
+++ b/syncapi/storage/sqlite3/notification_data_table.go
@@ -17,7 +17,6 @@ package sqlite3
 import (
 	"context"
 	"database/sql"
-	"fmt"
 	"strings"
 
 	"github.com/matrix-org/dendrite/internal"
@@ -39,6 +38,7 @@ func NewSqliteNotificationDataTable(db *sql.DB, streamID *StreamIDStatements) (t
 	return r, sqlutil.StatementList{
 		{&r.upsertRoomUnreadCounts, upsertRoomUnreadNotificationCountsSQL},
 		{&r.selectMaxID, selectMaxNotificationIDSQL},
+		{&r.purgeNotificationData, purgeNotificationDataSQL},
 		// {&r.selectUserUnreadCountsForRooms, selectUserUnreadNotificationsForRooms}, // used at runtime
 	}.Prepare(db)
 }
@@ -48,6 +48,7 @@ type notificationDataStatements struct {
 	streamIDStatements     *StreamIDStatements
 	upsertRoomUnreadCounts *sql.Stmt
 	selectMaxID            *sql.Stmt
+	purgeNotificationData  *sql.Stmt
 	//selectUserUnreadCountsForRooms *sql.Stmt
 }
 
@@ -74,6 +75,9 @@ const selectUserUnreadNotificationsForRooms = `SELECT room_id, notification_coun
 
 const selectMaxNotificationIDSQL = `SELECT CASE COUNT(*) WHEN 0 THEN 0 ELSE MAX(id) END FROM syncapi_notification_data`
 
+const purgeNotificationDataSQL = "" +
+	"DELETE FROM syncapi_notification_data WHERE room_id = $1"
+
 func (r *notificationDataStatements) UpsertRoomUnreadCounts(ctx context.Context, txn *sql.Tx, userID, roomID string, notificationCount, highlightCount int) (pos types.StreamPosition, err error) {
 	pos, err = r.streamIDStatements.nextNotificationID(ctx, nil)
 	if err != nil {
@@ -129,5 +133,6 @@ func (r *notificationDataStatements) SelectMaxID(ctx context.Context, txn *sql.T
 func (s *notificationDataStatements) PurgeNotificationData(
 	ctx context.Context, txn *sql.Tx, roomID string,
 ) error {
-	return fmt.Errorf("not implemented on SQLite")
+	_, err := sqlutil.TxStmt(txn, s.purgeNotificationData).ExecContext(ctx, roomID)
+	return err
 }
diff --git a/syncapi/storage/sqlite3/output_room_events_table.go b/syncapi/storage/sqlite3/output_room_events_table.go
index 83b3a8aef..db708c083 100644
--- a/syncapi/storage/sqlite3/output_room_events_table.go
+++ b/syncapi/storage/sqlite3/output_room_events_table.go
@@ -120,6 +120,9 @@ const selectContextAfterEventSQL = "" +
 
 const selectSearchSQL = "SELECT id, event_id, headered_event_json FROM syncapi_output_room_events WHERE type IN ($1) AND id > $2 LIMIT $3 ORDER BY id ASC"
 
+const purgeEventsSQL = "" +
+	"DELETE FROM syncapi_output_room_events WHERE room_id = $1"
+
 type outputRoomEventsStatements struct {
 	db                           *sql.DB
 	streamIDStatements           *StreamIDStatements
@@ -130,6 +133,7 @@ type outputRoomEventsStatements struct {
 	selectContextEventStmt       *sql.Stmt
 	selectContextBeforeEventStmt *sql.Stmt
 	selectContextAfterEventStmt  *sql.Stmt
+	purgeEventsStmt              *sql.Stmt
 	//selectSearchStmt             *sql.Stmt - prepared at runtime
 }
 
@@ -163,6 +167,7 @@ func NewSqliteEventsTable(db *sql.DB, streamID *StreamIDStatements) (tables.Even
 		{&s.selectContextEventStmt, selectContextEventSQL},
 		{&s.selectContextBeforeEventStmt, selectContextBeforeEventSQL},
 		{&s.selectContextAfterEventStmt, selectContextAfterEventSQL},
+		{&s.purgeEventsStmt, purgeEventsSQL},
 		//{&s.selectSearchStmt, selectSearchSQL}, - prepared at runtime
 	}.Prepare(db)
 }
@@ -669,7 +674,8 @@ func unmarshalStateIDs(addIDsJSON, delIDsJSON string) (addIDs []string, delIDs [
 func (s *outputRoomEventsStatements) PurgeEvents(
 	ctx context.Context, txn *sql.Tx, roomID string,
 ) error {
-	return fmt.Errorf("not implemented on SQLite")
+	_, err := sqlutil.TxStmt(txn, s.purgeEventsStmt).ExecContext(ctx, roomID)
+	return err
 }
 
 func (s *outputRoomEventsStatements) ReIndex(ctx context.Context, txn *sql.Tx, limit, afterID int64, types []string) (map[int64]gomatrixserverlib.HeaderedEvent, error) {
diff --git a/syncapi/storage/sqlite3/output_room_events_topology_table.go b/syncapi/storage/sqlite3/output_room_events_topology_table.go
index b287cbebf..3f5473581 100644
--- a/syncapi/storage/sqlite3/output_room_events_topology_table.go
+++ b/syncapi/storage/sqlite3/output_room_events_topology_table.go
@@ -17,7 +17,6 @@ package sqlite3
 import (
 	"context"
 	"database/sql"
-	"fmt"
 
 	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/syncapi/storage/tables"
@@ -72,6 +71,9 @@ const selectStreamToTopologicalPositionAscSQL = "" +
 const selectStreamToTopologicalPositionDescSQL = "" +
 	"SELECT topological_position FROM syncapi_output_room_events_topology WHERE room_id = $1 AND stream_position <= $2 ORDER BY topological_position DESC LIMIT 1;"
 
+const purgeEventsTopologySQL = "" +
+	"DELETE FROM syncapi_output_room_events_topology WHERE room_id = $1"
+
 type outputRoomEventsTopologyStatements struct {
 	db                                        *sql.DB
 	insertEventInTopologyStmt                 *sql.Stmt
@@ -81,6 +83,7 @@ type outputRoomEventsTopologyStatements struct {
 	selectMaxPositionInTopologyStmt           *sql.Stmt
 	selectStreamToTopologicalPositionAscStmt  *sql.Stmt
 	selectStreamToTopologicalPositionDescStmt *sql.Stmt
+	purgeEventsTopologyStmt                   *sql.Stmt
 }
 
 func NewSqliteTopologyTable(db *sql.DB) (tables.Topology, error) {
@@ -112,6 +115,9 @@ func NewSqliteTopologyTable(db *sql.DB) (tables.Topology, error) {
 	if s.selectStreamToTopologicalPositionDescStmt, err = db.Prepare(selectStreamToTopologicalPositionDescSQL); err != nil {
 		return nil, err
 	}
+	if s.purgeEventsTopologyStmt, err = db.Prepare(purgeEventsTopologySQL); err != nil {
+		return nil, err
+	}
 	return s, nil
 }
 
@@ -195,5 +201,6 @@ func (s *outputRoomEventsTopologyStatements) SelectMaxPositionInTopology(
 func (s *outputRoomEventsTopologyStatements) PurgeEventsTopology(
 	ctx context.Context, txn *sql.Tx, roomID string,
 ) error {
-	return fmt.Errorf("not implemented on SQLite")
+	_, err := sqlutil.TxStmt(txn, s.purgeEventsTopologyStmt).ExecContext(ctx, roomID)
+	return err
 }
diff --git a/syncapi/storage/sqlite3/peeks_table.go b/syncapi/storage/sqlite3/peeks_table.go
index cb2a770ce..fa234b2b0 100644
--- a/syncapi/storage/sqlite3/peeks_table.go
+++ b/syncapi/storage/sqlite3/peeks_table.go
@@ -17,7 +17,6 @@ package sqlite3
 import (
 	"context"
 	"database/sql"
-	"fmt"
 	"time"
 
 	"github.com/matrix-org/dendrite/internal"
@@ -65,6 +64,9 @@ const selectPeekingDevicesSQL = "" +
 const selectMaxPeekIDSQL = "" +
 	"SELECT MAX(id) FROM syncapi_peeks"
 
+const purgePeeksSQL = "" +
+	"DELETE FROM syncapi_peeks WHERE room_id = $1"
+
 type peekStatements struct {
 	db                       *sql.DB
 	streamIDStatements       *StreamIDStatements
@@ -74,6 +76,7 @@ type peekStatements struct {
 	selectPeeksInRangeStmt   *sql.Stmt
 	selectPeekingDevicesStmt *sql.Stmt
 	selectMaxPeekIDStmt      *sql.Stmt
+	purgePeeksStmt           *sql.Stmt
 }
 
 func NewSqlitePeeksTable(db *sql.DB, streamID *StreamIDStatements) (tables.Peeks, error) {
@@ -103,6 +106,9 @@ func NewSqlitePeeksTable(db *sql.DB, streamID *StreamIDStatements) (tables.Peeks
 	if s.selectMaxPeekIDStmt, err = db.Prepare(selectMaxPeekIDSQL); err != nil {
 		return nil, err
 	}
+	if s.purgePeeksStmt, err = db.Prepare(purgePeeksSQL); err != nil {
+		return nil, err
+	}
 	return s, nil
 }
 
@@ -209,5 +215,6 @@ func (s *peekStatements) SelectMaxPeekID(
 func (s *peekStatements) PurgePeeks(
 	ctx context.Context, txn *sql.Tx, roomID string,
 ) error {
-	return fmt.Errorf("not implemented on SQLite")
+	_, err := sqlutil.TxStmt(txn, s.purgePeeksStmt).ExecContext(ctx, roomID)
+	return err
 }
diff --git a/syncapi/storage/sqlite3/receipt_table.go b/syncapi/storage/sqlite3/receipt_table.go
index f9223bb4d..30b827962 100644
--- a/syncapi/storage/sqlite3/receipt_table.go
+++ b/syncapi/storage/sqlite3/receipt_table.go
@@ -58,12 +58,16 @@ const selectRoomReceipts = "" +
 const selectMaxReceiptIDSQL = "" +
 	"SELECT MAX(id) FROM syncapi_receipts"
 
+const purgeReceiptsSQL = "" +
+	"DELETE FROM syncapi_receipts WHERE room_id = $1"
+
 type receiptStatements struct {
 	db                 *sql.DB
 	streamIDStatements *StreamIDStatements
 	upsertReceipt      *sql.Stmt
 	selectRoomReceipts *sql.Stmt
 	selectMaxReceiptID *sql.Stmt
+	purgeReceiptsStmt  *sql.Stmt
 }
 
 func NewSqliteReceiptsTable(db *sql.DB, streamID *StreamIDStatements) (tables.Receipts, error) {
@@ -93,6 +97,9 @@ func NewSqliteReceiptsTable(db *sql.DB, streamID *StreamIDStatements) (tables.Re
 	if r.selectMaxReceiptID, err = db.Prepare(selectMaxReceiptIDSQL); err != nil {
 		return nil, fmt.Errorf("unable to prepare selectRoomReceipts statement: %w", err)
 	}
+	if r.purgeReceiptsStmt, err = db.Prepare(purgeReceiptsSQL); err != nil {
+		return nil, fmt.Errorf("unable to prepare purgeReceiptsStmt statement: %w", err)
+	}
 	return r, nil
 }
 
@@ -157,5 +164,6 @@ func (s *receiptStatements) SelectMaxReceiptID(
 func (s *receiptStatements) PurgeReceipts(
 	ctx context.Context, txn *sql.Tx, roomID string,
 ) error {
-	return fmt.Errorf("not implemented on SQLite")
+	_, err := sqlutil.TxStmt(txn, s.purgeReceiptsStmt).ExecContext(ctx, roomID)
+	return err
 }