diff --git a/service/pom.xml b/service/pom.xml
index 728e9d93..527fb013 100644
--- a/service/pom.xml
+++ b/service/pom.xml
@@ -102,7 +102,7 @@
     </dependency>
     <dependency>
       <groupId>org.thymeleaf</groupId>
-      <artifactId>thymeleaf-spring5</artifactId>
+      <artifactId>thymeleaf-spring6</artifactId>
     </dependency>
     <dependency>
       <groupId>org.webjars</groupId>
diff --git a/service/src/test/java/gdv/xport/srv/web/AbstractControllerIT.java b/service/src/test/java/gdv/xport/srv/web/AbstractControllerIT.java
index eac28282..d91b8458 100644
--- a/service/src/test/java/gdv/xport/srv/web/AbstractControllerIT.java
+++ b/service/src/test/java/gdv/xport/srv/web/AbstractControllerIT.java
@@ -75,16 +75,10 @@ void testSetUp() {
     /**
      * Baut die URL zusammen und ruft den Service als GET-Request auf.
      *
-     * @param <T>        Typ-Parameter
      * @param path       Context-Pfad der URL
-     * @param type       Typ der erwarteten Antwort
      * @param mediaTypes Content-Types
      * @return Antwort des abgesendeten Requests
      */
-    protected <T> ResponseEntity<T> getResponseEntityFor(String path, Class<T> type, MediaType... mediaTypes) {
-        return exchangeResponseEntity(HttpMethod.GET, path, null, type, mediaTypes);
-    }
-
     protected String getResponseStringFor(String path, MediaType... mediaTypes) throws Exception {
         MvcResult mvcResult = mockMvc.perform(MockMvcRequestBuilders.get(path)
                         .headers(createHeaders(mediaTypes)))