diff --git a/index.php b/index.php
index fa149a6..a9e4f84 100644
--- a/index.php
+++ b/index.php
@@ -353,22 +353,6 @@ function buildNewsletterHtml(array $config, array $articles, string $periodLabel
         $rangeEnd = new DateTimeImmutable('today');
     }
     $dateRangeText = 'vom ' . $periodStart->format('d.m') . ' bis ' . $rangeEnd->format('d.m');
-    if ($isTest && !empty($articles)) {
-        $timestamps = [];
-        foreach ($articles as $article) {
-            $date = DateTimeImmutable::createFromFormat('Y-m-d', (string)($article['date'] ?? ''));
-            if ($date instanceof DateTimeImmutable) {
-                $timestamps[] = $date->getTimestamp();
-            }
-        }
-
-        if (!empty($timestamps)) {
-            sort($timestamps);
-            $from = (new DateTimeImmutable('@' . (string)$timestamps[0]))->setTimezone(new DateTimeZone(date_default_timezone_get()));
-            $to = (new DateTimeImmutable('@' . (string)$timestamps[count($timestamps) - 1]))->setTimezone(new DateTimeZone(date_default_timezone_get()));
-            $dateRangeText = 'vom ' . $from->format('d.m') . ' bis ' . $to->format('d.m');
-        }
-    }
 
     $articleRows = '';
     if ($count === 0) {
diff --git a/wiki.php b/wiki.php
index 8fd0838..2b6b2a9 100644
--- a/wiki.php
+++ b/wiki.php
@@ -353,22 +353,6 @@ function buildNewsletterHtml(array $config, array $articles, string $periodLabel
         $rangeEnd = new DateTimeImmutable('today');
     }
     $dateRangeText = 'vom ' . $periodStart->format('d.m') . ' bis ' . $rangeEnd->format('d.m');
-    if ($isTest && !empty($articles)) {
-        $timestamps = [];
-        foreach ($articles as $article) {
-            $date = DateTimeImmutable::createFromFormat('Y-m-d', (string)($article['date'] ?? ''));
-            if ($date instanceof DateTimeImmutable) {
-                $timestamps[] = $date->getTimestamp();
-            }
-        }
-
-        if (!empty($timestamps)) {
-            sort($timestamps);
-            $from = (new DateTimeImmutable('@' . (string)$timestamps[0]))->setTimezone(new DateTimeZone(date_default_timezone_get()));
-            $to = (new DateTimeImmutable('@' . (string)$timestamps[count($timestamps) - 1]))->setTimezone(new DateTimeZone(date_default_timezone_get()));
-            $dateRangeText = 'vom ' . $from->format('d.m') . ' bis ' . $to->format('d.m');
-        }
-    }
 
     $articleRows = '';
     if ($count === 0) {