diff --git a/integration-tests/dataformat/src/main/java/org/apache/camel/quarkus/component/dataformat/it/ICalUtils.java b/integration-tests/dataformat/src/main/java/org/apache/camel/quarkus/component/dataformat/it/ICalUtils.java
index 7cfc018e832b..33d3992a8c28 100644
--- a/integration-tests/dataformat/src/main/java/org/apache/camel/quarkus/component/dataformat/it/ICalUtils.java
+++ b/integration-tests/dataformat/src/main/java/org/apache/camel/quarkus/component/dataformat/it/ICalUtils.java
@@ -82,16 +82,7 @@ protected static Calendar createTestCalendar(ZonedDateTime start, ZonedDateTime
     }
 
     static DateTime toDateTime(ZonedDateTime zonedDateTime, TimeZoneRegistry registry) {
-        final String tzId = zonedDateTime.getZone().getId();
-        final TimeZone timezone = registry.getTimeZone(tzId.equals("Z") ? "UTC" : tzId);
-        // workaround for https://github.com/apache/camel-quarkus/issues/838
-        final DateTime result = new DateTime();
-        result.setTimeZone(timezone);
-        result.setTime(zonedDateTime.toInstant().toEpochMilli());
-        // To reproduce https://github.com/apache/camel-quarkus/issues/838 comment the above, enable the following
-        // and remove the TZ from DTSTART and DTEND in src/test/resources/test.ics
-        // final DateTime result = new DateTime(zonedDateTime.toInstant().toEpochMilli());
-        return result;
+        return new DateTime(zonedDateTime.toInstant().toEpochMilli());
     }
 
 }
diff --git a/integration-tests/dataformat/src/test/resources/test.ics b/integration-tests/dataformat/src/test/resources/test.ics
index 6bb9d714fae0..3bc562990f21 100644
--- a/integration-tests/dataformat/src/test/resources/test.ics
+++ b/integration-tests/dataformat/src/test/resources/test.ics
@@ -4,8 +4,8 @@ PRODID:-//Events Calendar//iCal4j 1.0//EN
 CALSCALE:GREGORIAN
 BEGIN:VEVENT
 DTSTAMP:19700101T000000Z
-DTSTART;TZID=Europe/Paris:20071203T101530
-DTEND;TZID=Europe/Paris:20071203T111631
+DTSTART:20071203T101530
+DTEND:20071203T111631
 SUMMARY:Progress Meeting
 TZID:Europe/Paris
 UID:00000000