diff --git a/bundles/org.openhab.binding.deconz/src/test/java/org/openhab/binding/deconz/DeconzTest.java b/bundles/org.openhab.binding.deconz/src/test/java/org/openhab/binding/deconz/DeconzTest.java
index e8eff1e7473..d17bd44e90c 100644
--- a/bundles/org.openhab.binding.deconz/src/test/java/org/openhab/binding/deconz/DeconzTest.java
+++ b/bundles/org.openhab.binding.deconz/src/test/java/org/openhab/binding/deconz/DeconzTest.java
@@ -19,8 +19,7 @@ import static org.mockito.Mockito.times;
 import java.io.IOException;
 import java.io.InputStream;
 import java.nio.charset.StandardCharsets;
-import java.time.ZoneId;
-import java.time.ZonedDateTime;
+import java.time.Instant;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
@@ -119,10 +118,9 @@ public class DeconzTest {
     @Test
     public void dateTimeConversionTest() {
         DateTimeType dateTime = Util.convertTimestampToDateTime("2020-08-22T11:09Z");
-        assertEquals(new DateTimeType(ZonedDateTime.parse("2020-08-22T11:09:00Z")), dateTime);
+        assertEquals(new DateTimeType(Instant.parse("2020-08-22T11:09:00Z")), dateTime);
 
         dateTime = Util.convertTimestampToDateTime("2020-08-22T11:09:47");
-        assertEquals(new DateTimeType(ZonedDateTime.parse("2020-08-22T11:09:47Z")).toZone(ZoneId.systemDefault()),
-                dateTime);
+        assertEquals(new DateTimeType(Instant.parse("2020-08-22T11:09:47Z")), dateTime);
     }
 }