diff --git a/src/main/java/de/ids_mannheim/korap/core/web/controller/AnnotationController.java b/src/main/java/de/ids_mannheim/korap/core/web/controller/AnnotationController.java
index 1f75d3c..ae60dca 100644
--- a/src/main/java/de/ids_mannheim/korap/core/web/controller/AnnotationController.java
+++ b/src/main/java/de/ids_mannheim/korap/core/web/controller/AnnotationController.java
@@ -17,7 +17,6 @@
 import de.ids_mannheim.korap.web.KustvaktResponseHandler;
 import de.ids_mannheim.korap.web.filter.APIVersionFilter;
 import de.ids_mannheim.korap.web.filter.DemoUserFilter;
-import de.ids_mannheim.korap.web.filter.PiwikFilter;
 import de.ids_mannheim.korap.web.utils.ResourceFilters;
 import jakarta.ws.rs.Consumes;
 import jakarta.ws.rs.GET;
@@ -34,8 +33,7 @@
  */
 @Controller
 @Path("/{version}/annotation/")
-@ResourceFilters({ APIVersionFilter.class, DemoUserFilter.class,
-        PiwikFilter.class })
+@ResourceFilters({ APIVersionFilter.class, DemoUserFilter.class})
 @Produces(MediaType.APPLICATION_JSON + ";charset=utf-8")
 public class AnnotationController {
 
diff --git a/src/main/java/de/ids_mannheim/korap/core/web/controller/SearchController.java b/src/main/java/de/ids_mannheim/korap/core/web/controller/SearchController.java
index 042f412..e78993d 100644
--- a/src/main/java/de/ids_mannheim/korap/core/web/controller/SearchController.java
+++ b/src/main/java/de/ids_mannheim/korap/core/web/controller/SearchController.java
@@ -27,7 +27,6 @@
 import de.ids_mannheim.korap.web.filter.AdminFilter;
 import de.ids_mannheim.korap.web.filter.AuthenticationFilter;
 import de.ids_mannheim.korap.web.filter.DemoUserFilter;
-import de.ids_mannheim.korap.web.filter.PiwikFilter;
 import de.ids_mannheim.korap.web.utils.ResourceFilters;
 import de.ids_mannheim.korap.web.utils.SearchResourceFilters;
 import jakarta.servlet.ServletContext;
@@ -55,7 +54,7 @@
 @Controller
 @Path("/")
 @ResourceFilters({ APIVersionFilter.class, AuthenticationFilter.class,
-        DemoUserFilter.class, PiwikFilter.class })
+        DemoUserFilter.class})
 public class SearchController {
 
     private static final boolean DEBUG = false;
diff --git a/src/main/java/de/ids_mannheim/korap/core/web/controller/StatisticController.java b/src/main/java/de/ids_mannheim/korap/core/web/controller/StatisticController.java
index 6f86d2c..0c90f2f 100644
--- a/src/main/java/de/ids_mannheim/korap/core/web/controller/StatisticController.java
+++ b/src/main/java/de/ids_mannheim/korap/core/web/controller/StatisticController.java
@@ -12,7 +12,6 @@
 import de.ids_mannheim.korap.exceptions.KustvaktException;
 import de.ids_mannheim.korap.web.CoreResponseHandler;
 import de.ids_mannheim.korap.web.filter.APIVersionFilter;
-import de.ids_mannheim.korap.web.filter.PiwikFilter;
 import de.ids_mannheim.korap.web.utils.ResourceFilters;
 import jakarta.ws.rs.Consumes;
 import jakarta.ws.rs.GET;
@@ -36,7 +35,7 @@
  */
 @Controller
 @Path("{version}/statistics/")
-@ResourceFilters({ APIVersionFilter.class, PiwikFilter.class })
+@ResourceFilters({ APIVersionFilter.class})
 @Produces(MediaType.APPLICATION_JSON + ";charset=utf-8")
 public class StatisticController {
 
diff --git a/src/main/java/de/ids_mannheim/korap/web/controller/AuthenticationController.java b/src/main/java/de/ids_mannheim/korap/web/controller/AuthenticationController.java
index 0b40e33..99ae42c 100644
--- a/src/main/java/de/ids_mannheim/korap/web/controller/AuthenticationController.java
+++ b/src/main/java/de/ids_mannheim/korap/web/controller/AuthenticationController.java
@@ -30,7 +30,6 @@
 import de.ids_mannheim.korap.web.filter.AuthenticationFilter;
 import de.ids_mannheim.korap.web.filter.BlockingFilter;
 import de.ids_mannheim.korap.web.filter.DemoUserFilter;
-import de.ids_mannheim.korap.web.filter.PiwikFilter;
 import de.ids_mannheim.korap.web.utils.ResourceFilters;
 import jakarta.ws.rs.Consumes;
 import jakarta.ws.rs.GET;
@@ -60,7 +59,7 @@
  */
 @Controller
 @Path("/{version}/auth")
-@ResourceFilters({ APIVersionFilter.class, PiwikFilter.class })
+@ResourceFilters({ APIVersionFilter.class})
 @Produces(MediaType.APPLICATION_JSON + ";charset=utf-8")
 public class AuthenticationController {
 
diff --git a/src/main/java/de/ids_mannheim/korap/web/controller/QueryReferenceController.java b/src/main/java/de/ids_mannheim/korap/web/controller/QueryReferenceController.java
index af9c395..5216963 100644
--- a/src/main/java/de/ids_mannheim/korap/web/controller/QueryReferenceController.java
+++ b/src/main/java/de/ids_mannheim/korap/web/controller/QueryReferenceController.java
@@ -18,7 +18,6 @@
 import de.ids_mannheim.korap.web.filter.AuthenticationFilter;
 import de.ids_mannheim.korap.web.filter.BlockingFilter;
 import de.ids_mannheim.korap.web.filter.DemoUserFilter;
-import de.ids_mannheim.korap.web.filter.PiwikFilter;
 import de.ids_mannheim.korap.web.input.QueryJson;
 import de.ids_mannheim.korap.web.utils.ResourceFilters;
 import jakarta.ws.rs.Consumes;
@@ -47,7 +46,7 @@
 @Controller
 @Path("{version}/query")
 @ResourceFilters({ APIVersionFilter.class, AuthenticationFilter.class,
-        BlockingFilter.class, PiwikFilter.class })
+        BlockingFilter.class})
 @Produces(MediaType.APPLICATION_JSON + ";charset=utf-8")
 public class QueryReferenceController {
 
@@ -120,7 +119,7 @@
     @GET
     @Path("~{createdBy}/{qName}")
     @ResourceFilters({ APIVersionFilter.class, AuthenticationFilter.class,
-            DemoUserFilter.class, PiwikFilter.class })
+            DemoUserFilter.class})
     public QueryDto retrieveQueryByName (
             @Context SecurityContext securityContext,
             @PathParam("createdBy") String createdBy,
diff --git a/src/main/java/de/ids_mannheim/korap/web/controller/ResourceController.java b/src/main/java/de/ids_mannheim/korap/web/controller/ResourceController.java
index 986f621..12f3bc2 100644
--- a/src/main/java/de/ids_mannheim/korap/web/controller/ResourceController.java
+++ b/src/main/java/de/ids_mannheim/korap/web/controller/ResourceController.java
@@ -8,7 +8,6 @@
 import de.ids_mannheim.korap.dto.ResourceDto;
 import de.ids_mannheim.korap.service.ResourceService;
 import de.ids_mannheim.korap.web.filter.APIVersionFilter;
-import de.ids_mannheim.korap.web.filter.PiwikFilter;
 import de.ids_mannheim.korap.web.utils.ResourceFilters;
 import jakarta.ws.rs.GET;
 import jakarta.ws.rs.Path;
@@ -23,7 +22,7 @@
  */
 @Controller
 @Path("{version}/resource")
-@ResourceFilters({ APIVersionFilter.class, PiwikFilter.class })
+@ResourceFilters({ APIVersionFilter.class})
 @Produces(MediaType.APPLICATION_JSON + ";charset=utf-8")
 public class ResourceController {
 
diff --git a/src/main/java/de/ids_mannheim/korap/web/controller/UserGroupController.java b/src/main/java/de/ids_mannheim/korap/web/controller/UserGroupController.java
index b54269a..00cbf9a 100644
--- a/src/main/java/de/ids_mannheim/korap/web/controller/UserGroupController.java
+++ b/src/main/java/de/ids_mannheim/korap/web/controller/UserGroupController.java
@@ -16,7 +16,6 @@
 import de.ids_mannheim.korap.web.filter.APIVersionFilter;
 import de.ids_mannheim.korap.web.filter.AuthenticationFilter;
 import de.ids_mannheim.korap.web.filter.BlockingFilter;
-import de.ids_mannheim.korap.web.filter.PiwikFilter;
 import de.ids_mannheim.korap.web.utils.ResourceFilters;
 import jakarta.ws.rs.Consumes;
 import jakarta.ws.rs.DELETE;
@@ -47,7 +46,7 @@
 @Controller
 @Path("{version}/group")
 @ResourceFilters({ APIVersionFilter.class, AuthenticationFilter.class,
-        BlockingFilter.class, PiwikFilter.class })
+        BlockingFilter.class})
 @Produces(MediaType.APPLICATION_JSON + ";charset=utf-8")
 public class UserGroupController {
 
diff --git a/src/main/java/de/ids_mannheim/korap/web/controller/UserSettingController.java b/src/main/java/de/ids_mannheim/korap/web/controller/UserSettingController.java
index af0199f..3f861ae 100644
--- a/src/main/java/de/ids_mannheim/korap/web/controller/UserSettingController.java
+++ b/src/main/java/de/ids_mannheim/korap/web/controller/UserSettingController.java
@@ -15,7 +15,6 @@
 import de.ids_mannheim.korap.web.filter.APIVersionFilter;
 import de.ids_mannheim.korap.web.filter.AuthenticationFilter;
 import de.ids_mannheim.korap.web.filter.BlockingFilter;
-import de.ids_mannheim.korap.web.filter.PiwikFilter;
 import de.ids_mannheim.korap.web.utils.ResourceFilters;
 import jakarta.ws.rs.Consumes;
 import jakarta.ws.rs.DELETE;
@@ -40,8 +39,8 @@
  */
 @Controller
 @Path("{version}/{username: ~[a-zA-Z0-9_.]+}/setting")
-@ResourceFilters({ AuthenticationFilter.class, APIVersionFilter.class,
-        PiwikFilter.class })
+@ResourceFilters({APIVersionFilter.class, BlockingFilter.class, 
+    AuthenticationFilter.class})
 @Produces(MediaType.APPLICATION_JSON + ";charset=utf-8")
 public class UserSettingController {
 
@@ -70,8 +69,6 @@
      */
     @PUT
     @Consumes(MediaType.APPLICATION_JSON)
-    @ResourceFilters({ AuthenticationFilter.class, PiwikFilter.class,
-            BlockingFilter.class })
     public Response createDefaultSetting (@Context SecurityContext context,
             @PathParam("username") String username, Map<String, Object> map) {
 
@@ -99,8 +96,6 @@
      * @return the default setting of the given username
      */
     @GET
-    @ResourceFilters({ AuthenticationFilter.class, PiwikFilter.class,
-            BlockingFilter.class })
     public Response retrieveDefaultSetting (@Context SecurityContext context,
             @PathParam("username") String username) {
         TokenContext tokenContext = (TokenContext) context.getUserPrincipal();
@@ -139,8 +134,6 @@
     @DELETE
     @Path("{key}")
     @Consumes(MediaType.APPLICATION_JSON)
-    @ResourceFilters({ AuthenticationFilter.class, PiwikFilter.class,
-            BlockingFilter.class })
     public Response deleteDefaultSettingEntry (@Context SecurityContext context,
             @PathParam("username") String username,
             @PathParam("key") String key) {
@@ -169,8 +162,6 @@
      * @return 200 if the request is successful
      */
     @DELETE
-    @ResourceFilters({ AuthenticationFilter.class, PiwikFilter.class,
-            BlockingFilter.class })
     public Response deleteDefaultSetting (@Context SecurityContext context,
             @PathParam("username") String username) {
 
diff --git a/src/main/java/de/ids_mannheim/korap/web/controller/VirtualCorpusController.java b/src/main/java/de/ids_mannheim/korap/web/controller/VirtualCorpusController.java
index b69b09f..6c91dd6 100644
--- a/src/main/java/de/ids_mannheim/korap/web/controller/VirtualCorpusController.java
+++ b/src/main/java/de/ids_mannheim/korap/web/controller/VirtualCorpusController.java
@@ -23,7 +23,6 @@
 import de.ids_mannheim.korap.web.filter.AuthenticationFilter;
 import de.ids_mannheim.korap.web.filter.BlockingFilter;
 import de.ids_mannheim.korap.web.filter.DemoUserFilter;
-import de.ids_mannheim.korap.web.filter.PiwikFilter;
 import de.ids_mannheim.korap.web.input.QueryJson;
 import de.ids_mannheim.korap.web.utils.ResourceFilters;
 import jakarta.ws.rs.Consumes;
@@ -62,7 +61,7 @@
 @Controller
 @Path("{version}/vc")
 @ResourceFilters({ APIVersionFilter.class, AuthenticationFilter.class,
-        BlockingFilter.class, PiwikFilter.class })
+        BlockingFilter.class })
 @Produces(MediaType.APPLICATION_JSON + ";charset=utf-8")
 public class VirtualCorpusController {
 
@@ -139,7 +138,7 @@
     @GET
     @Path("~{createdBy}/{vcName}")
     @ResourceFilters({ APIVersionFilter.class, AuthenticationFilter.class,
-            DemoUserFilter.class, PiwikFilter.class })
+            DemoUserFilter.class})
     public QueryDto retrieveVCByName (@Context SecurityContext securityContext,
             @PathParam("createdBy") String createdBy,
             @PathParam("vcName") String vcName) {
diff --git a/src/main/resources/default-config.xml b/src/main/resources/default-config.xml
index 073bf26..9812de1 100644
--- a/src/main/resources/default-config.xml
+++ b/src/main/resources/default-config.xml
@@ -183,13 +183,6 @@
 	<bean id="authorizationDao"
 		class="de.ids_mannheim.korap.oauth2.dao.CachedAuthorizationDaoImpl" />
 
-	<!-- Filters -->
-	<!-- <bean id="authenticationFilter" class="de.ids_mannheim.korap.web.filter.AuthenticationFilter" 
-		> <property name="authenticationManager" ref="kustvakt_authenticationmanager"/> 
-		</bean> <bean id="piwikFilter" class="de.ids_mannheim.korap.web.filter.PiwikFilter" 
-		> <property name="authenticationManager" ref="kustvakt_authenticationmanager"/> 
-		</bean> -->
-
 	<!-- Services -->
 	<bean id="scopeService"
 		class="de.ids_mannheim.korap.oauth2.service.OAuth2ScopeServiceImpl" />