diff --git a/server/src/email_extract.rs b/server/src/email_extract.rs
index ba3fe02..1cd1d87 100644
--- a/server/src/email_extract.rs
+++ b/server/src/email_extract.rs
@@ -1687,7 +1687,7 @@ pub fn render_ical_summary(ical_data: &str) -> Result<String, ServerError> {
                     "DTSTART" => {
                         dtstart = prop.value.as_deref();
                         if let Some(params) = &prop.params {
-                            if let Some((k, values)) = params.iter().find(|(k, _)| k == "TZID") {
+                            if let Some((_, values)) = params.iter().find(|(k, _)| k == "TZID") {
                                 if let Some(val) = values.get(0) {
                                     tzid = Some(val.clone());
                                 }
@@ -1716,8 +1716,13 @@ pub fn render_ical_summary(ical_data: &str) -> Result<String, ServerError> {
                     .unwrap_or("UTC")
                     .parse()
                     .unwrap_or(chrono_tz::UTC);
-                let fallback =
-                    tz.from_utc_datetime(&chrono::NaiveDateTime::from_timestamp_opt(0, 0).unwrap());
+                let fallback = chrono::DateTime::<chrono::Utc>::from_timestamp(0, 0)
+                    .map(|dt| dt.with_timezone(&tz))
+                    .unwrap_or_else(|| {
+                        tz.with_ymd_and_hms(1970, 1, 1, 0, 0, 0)
+                            .single()
+                            .unwrap_or_else(|| tz.timestamp_opt(0, 0).single().unwrap())
+                    });
                 let start = parse_ical_datetime_tz(dtstart, tz).unwrap_or(fallback);
                 let end = dtend
                     .and_then(|d| parse_ical_datetime_tz(d, tz))
@@ -1736,7 +1741,7 @@ pub fn render_ical_summary(ical_data: &str) -> Result<String, ServerError> {
                     local_end.format("%-I:%M %p %a %b %e, %Y").to_string()
                 };
                 let mut days = vec![];
-                let mut d = start.date_naive();
+                let d = start.date_naive();
                 let mut end_d = end.date_naive();
                 // Check for all-day event (DATE, not DATE-TIME)
                 let allday = dtstart.len() == 8 && (dtend.map(|s| s.len() == 8).unwrap_or(false));
@@ -1833,67 +1838,6 @@ pub fn render_ical_summary(ical_data: &str) -> Result<String, ServerError> {
     Ok(summary_parts.join("<hr>"))
 }
 
-fn render_merged_calendar_table(event_days: &[NaiveDate]) -> String {
-    use chrono::Datelike;
-    let first_event = event_days.first().unwrap();
-    let last_event = event_days.last().unwrap();
-    let first_of_month =
-        NaiveDate::from_ymd_opt(first_event.year(), first_event.month(), 1).unwrap();
-    let last_of_month = {
-        let next_month = if last_event.month() == 12 {
-            NaiveDate::from_ymd_opt(last_event.year() + 1, 1, 1).unwrap()
-        } else {
-            NaiveDate::from_ymd_opt(last_event.year(), last_event.month() + 1, 1).unwrap()
-        };
-        next_month.pred_opt().unwrap()
-    };
-    let mut cal_start = first_of_month;
-    while cal_start.weekday() != chrono::Weekday::Sun {
-        cal_start = cal_start.pred_opt().unwrap();
-    }
-    let mut cal_end = last_of_month;
-    while cal_end.weekday() != chrono::Weekday::Sat {
-        cal_end = cal_end.succ_opt().unwrap();
-    }
-    let mut all_days = vec![];
-    let mut d = cal_start;
-    while d <= cal_end {
-        all_days.push(d);
-        d = d.succ_opt().unwrap();
-    }
-    let start_month = first_event.format("%B %Y");
-    let end_month = last_event.format("%B %Y");
-    let caption = if start_month.to_string() == end_month.to_string() {
-        start_month.to_string()
-    } else {
-        format!("{} – {}", start_month, end_month)
-    };
-    let mut calendar_html = String::new();
-    calendar_html.push_str(&format!(
-        "<table class='ical-month' style='border-collapse:collapse; min-width:220px; background:#fff; box-shadow:0 2px 8px #bbb; font-size:14px; margin:0;'>"
-    ));
-    calendar_html.push_str(&format!("<caption style='caption-side:top; text-align:center; font-weight:bold; font-size:16px; padding:8px 0;'>{}</caption>", caption));
-    calendar_html.push_str("<thead><tr>");
-    for wd in ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"] {
-        calendar_html.push_str(&format!("<th style='padding:4px 6px; border-bottom:1px solid #ccc; color:#666; font-weight:600; background:#f7f7f7'>{}</th>", wd));
-    }
-    calendar_html.push_str("</tr></thead><tbody>");
-    for week in all_days.chunks(7) {
-        calendar_html.push_str("<tr>");
-        for day in week {
-            let is_event = event_days.contains(day);
-            let style = if is_event {
-                "background:#ffd700; color:#222; font-weight:bold; border:1px solid #aaa; border-radius:4px; text-align:center;"
-            } else {
-                "border:1px solid #eee; text-align:center;background:#f7f7f7;color:#bbb;"
-            };
-            calendar_html.push_str(&format!("<td style='{}'>{}</td>", style, day.day()));
-        }
-        calendar_html.push_str("</tr>");
-    }
-    calendar_html.push_str("</tbody></table>");
-    calendar_html
-}
 
 fn parse_ical_datetime_tz(dt: &str, tz: Tz) -> Option<chrono::DateTime<Tz>> {
     let dt = dt.split(':').last().unwrap_or(dt);
diff --git a/server/src/nm.rs b/server/src/nm.rs
index 85d47a0..639640a 100644
--- a/server/src/nm.rs
+++ b/server/src/nm.rs
@@ -812,6 +812,6 @@ mod tests {
 
     #[test]
     fn test_parse_tls_report_v1() {
-        let report: TlsRpt = serde_json::from_str(REPORT_V1).unwrap();
+        let _report: TlsRpt = serde_json::from_str(REPORT_V1).unwrap();
     }
 }