diff --git a/synapse/api/room_versions.py b/synapse/api/room_versions.py
index 7ef4701b13..0a895bba48 100644
--- a/synapse/api/room_versions.py
+++ b/synapse/api/room_versions.py
@@ -81,8 +81,6 @@ class RoomVersion:
msc2716_historical = attr.ib(type=bool)
# MSC2716: Adds support for redacting "insertion", "chunk", and "marker" events
msc2716_redactions = attr.ib(type=bool)
- # MSC2716: Adds support for events with no `prev_events` but with some `auth_events`
- msc2716_empty_prev_events = attr.ib(type=bool)
class RoomVersions:
@@ -101,7 +99,6 @@ class RoomVersions:
msc2403_knocking=False,
msc2716_historical=False,
msc2716_redactions=False,
- msc2716_empty_prev_events=False,
)
V2 = RoomVersion(
"2",
@@ -118,7 +115,6 @@ class RoomVersions:
msc2403_knocking=False,
msc2716_historical=False,
msc2716_redactions=False,
- msc2716_empty_prev_events=False,
)
V3 = RoomVersion(
"3",
@@ -135,7 +131,6 @@ class RoomVersions:
msc2403_knocking=False,
msc2716_historical=False,
msc2716_redactions=False,
- msc2716_empty_prev_events=False,
)
V4 = RoomVersion(
"4",
@@ -152,7 +147,6 @@ class RoomVersions:
msc2403_knocking=False,
msc2716_historical=False,
msc2716_redactions=False,
- msc2716_empty_prev_events=False,
)
V5 = RoomVersion(
"5",
@@ -169,7 +163,6 @@ class RoomVersions:
msc2403_knocking=False,
msc2716_historical=False,
msc2716_redactions=False,
- msc2716_empty_prev_events=False,
)
V6 = RoomVersion(
"6",
@@ -186,7 +179,6 @@ class RoomVersions:
msc2403_knocking=False,
msc2716_historical=False,
msc2716_redactions=False,
- msc2716_empty_prev_events=False,
)
MSC2176 = RoomVersion(
"org.matrix.msc2176",
@@ -203,7 +195,6 @@ class RoomVersions:
msc2403_knocking=False,
msc2716_historical=False,
msc2716_redactions=False,
- msc2716_empty_prev_events=False,
)
V7 = RoomVersion(
"7",
@@ -220,7 +211,6 @@ class RoomVersions:
msc2403_knocking=True,
msc2716_historical=False,
msc2716_redactions=False,
- msc2716_empty_prev_events=False,
)
V8 = RoomVersion(
"8",
@@ -237,7 +227,6 @@ class RoomVersions:
msc2403_knocking=True,
msc2716_historical=False,
msc2716_redactions=False,
- msc2716_empty_prev_events=False,
)
V9 = RoomVersion(
"9",
@@ -254,7 +243,6 @@ class RoomVersions:
msc2403_knocking=True,
msc2716_historical=False,
msc2716_redactions=False,
- msc2716_empty_prev_events=False,
)
MSC2716v3 = RoomVersion(
"org.matrix.msc2716v3",
@@ -271,24 +259,6 @@ class RoomVersions:
msc2403_knocking=True,
msc2716_historical=True,
msc2716_redactions=True,
- msc2716_empty_prev_events=False,
- )
- MSC2716v4 = RoomVersion(
- "org.matrix.msc2716v4",
- RoomDisposition.UNSTABLE,
- EventFormatVersions.V3,
- StateResolutionVersions.V2,
- enforce_key_validity=True,
- special_case_aliases_auth=False,
- strict_canonicaljson=True,
- limit_notifications_power_levels=True,
- msc2176_redaction_rules=False,
- msc3083_join_rules=False,
- msc3375_redaction_rules=False,
- msc2403_knocking=True,
- msc2716_historical=True,
- msc2716_redactions=True,
- msc2716_empty_prev_events=True,
)
@@ -306,7 +276,6 @@ KNOWN_ROOM_VERSIONS: Dict[str, RoomVersion] = {
RoomVersions.V8,
RoomVersions.V9,
RoomVersions.MSC2716v3,
- RoomVersions.MSC2716v4,
)
}
|