diff --git a/server/src/timeline.rs b/server/src/timeline.rs
deleted file mode 100644
index 265ca4ae9946ecd29a7d1d4ec791de8465ce658e..0000000000000000000000000000000000000000
--- a/server/src/timeline.rs
+++ /dev/null
@@ -1,145 +0,0 @@
-//! Room admin lines merged into forum thread views.
-
-use crate::{
-    canonical_path::canonicalize_tag,
-    reducer::{ReducerState, RoomTimelineEntry, RoomTimelineKind},
-};
-
-fn cap_label(c: crate::events::ThreadCapability) -> &'static str {
-    use crate::events::ThreadCapability::*;
-    match c {
-        View => "view",
-        Post => "post",
-        Vote => "vote",
-        AddItem => "add_item",
-        Manage => "manage",
-    }
-}
-
-fn caps_list(caps: &[crate::events::ThreadCapability]) -> String {
-    let mut v: Vec<_> = caps.iter().map(|c| cap_label(*c)).collect();
-    v.sort();
-    v.join(", ")
-}
-
-/// Human-readable system line for the thread feed.
-pub fn format_room_timeline_entry(e: &RoomTimelineEntry) -> String {
-    match &e.kind {
-        RoomTimelineKind::RoomCreated { owner, slug } => {
-            format!("@{owner} created room #{slug}")
-        }
-        RoomTimelineKind::GrantAdded {
-            username,
-            granted_by,
-            capabilities,
-        } => {
-            format!(
-                "@{granted_by} granted @{} {}",
-                username,
-                caps_list(capabilities)
-            )
-        }
-        RoomTimelineKind::GrantRevoked {
-            username,
-            revoked_by,
-            capabilities,
-        } => {
-            format!(
-                "@{revoked_by} revoked @{} {}",
-                username,
-                caps_list(capabilities)
-            )
-        }
-    }
-}
-
-#[derive(Clone, Debug)]
-pub enum MergedThreadRow {
-    System { ts: i64, text: String },
-    Post {
-        index: usize,
-        id: String,
-        ts: i64,
-        principal: String,
-        raw: String,
-    },
-}
-
-/// Merge room admin lines with thread ingests for one room + tag. Oldest first.
-/// `actor_prefix` filters posts only (system lines always included).
-pub fn merge_thread_rows(
-    reduced: &ReducerState,
-    room_wire: &str,
-    thread_tag: &str,
-    since: Option<i64>,
-    before: Option<i64>,
-    actor_prefix: &str,
-) -> Vec<MergedThreadRow> {
-    let scope = crate::reducer::scope_from_room_wire(room_wire);
-    let tag = canonicalize_tag(thread_tag);
-    let key = (scope.clone(), tag.clone());
-
-    let mut rows: Vec<MergedThreadRow> = Vec::new();
-
-    if let Some(entries) = reduced.room_timeline.get(room_wire.trim()) {
-        for e in entries {
-            if since.map_or(true, |s| e.ts >= s) && before.map_or(true, |b| e.ts < b) {
-                rows.push(MergedThreadRow::System {
-                    ts: e.ts,
-                    text: format_room_timeline_entry(e),
-                });
-            }
-        }
-    }
-
-    let all_ids: Vec<String> = reduced
-        .ingests_by_scope_thread
-        .get(&key)
-        .map(|q| q.iter().rev().cloned().collect())
-        .unwrap_or_default();
-
-    for (idx, id) in all_ids.into_iter().enumerate() {
-        let Some(ing) = reduced.ingests_by_id.get(&id) else {
-            continue;
-        };
-        if since.map_or(true, |s| ing.ts >= s) && before.map_or(true, |b| ing.ts < b) {
-            if !actor_prefix.is_empty()
-                && !ing
-                    .principal
-                    .to_lowercase()
-                    .starts_with(actor_prefix)
-            {
-                continue;
-            }
-            rows.push(MergedThreadRow::Post {
-                index: idx,
-                id: ing.id.clone(),
-                ts: ing.ts,
-                principal: ing.principal.clone(),
-                raw: ing.raw.clone(),
-            });
-        }
-    }
-
-    rows.sort_by(|a, b| {
-        let ta = match a {
-            MergedThreadRow::System { ts, .. } | MergedThreadRow::Post { ts, .. } => *ts,
-        };
-        let tb = match b {
-            MergedThreadRow::System { ts, .. } | MergedThreadRow::Post { ts, .. } => *ts,
-        };
-        ta.cmp(&tb)
-    });
-    rows
-}
-
-/// Shared-site thread view (`room_wire == "public"` on the wire). Same merge as private rooms; private-room timeline is unused here.
-pub fn merge_public_thread_rows(
-    reduced: &ReducerState,
-    thread_tag: &str,
-    since: Option<i64>,
-    before: Option<i64>,
-    actor_prefix: &str,
-) -> Vec<MergedThreadRow> {
-    merge_thread_rows(reduced, "public", thread_tag, since, before, actor_prefix)
-}