diff --git a/bundles/org.openhab.io.hueemulation/src/test/java/org/openhab/io/hueemulation/internal/rest/mocks/DummyItemRegistry.java b/bundles/org.openhab.io.hueemulation/src/test/java/org/openhab/io/hueemulation/internal/rest/mocks/DummyItemRegistry.java
index d8e55cf7cc9..97b8db7966d 100644
--- a/bundles/org.openhab.io.hueemulation/src/test/java/org/openhab/io/hueemulation/internal/rest/mocks/DummyItemRegistry.java
+++ b/bundles/org.openhab.io.hueemulation/src/test/java/org/openhab/io/hueemulation/internal/rest/mocks/DummyItemRegistry.java
@@ -25,7 +25,6 @@ import org.openhab.core.common.registry.RegistryChangeListener;
 import org.openhab.core.items.Item;
 import org.openhab.core.items.ItemNotFoundException;
 import org.openhab.core.items.ItemRegistry;
-import org.openhab.core.items.RegistryHook;
 
 /**
  * @author David Graeff - Initial contribution
@@ -150,12 +149,4 @@ public class DummyItemRegistry implements ItemRegistry {
         }
         return put;
     }
-
-    @Override
-    public void addRegistryHook(RegistryHook<Item> hook) {
-    }
-
-    @Override
-    public void removeRegistryHook(RegistryHook<Item> hook) {
-    }
 }
diff --git a/bundles/org.openhab.persistence.dynamodb/src/test/java/org/openhab/persistence/dynamodb/internal/BaseIntegrationTest.java b/bundles/org.openhab.persistence.dynamodb/src/test/java/org/openhab/persistence/dynamodb/internal/BaseIntegrationTest.java
index 7c55fa72ebc..4db1ad895b0 100644
--- a/bundles/org.openhab.persistence.dynamodb/src/test/java/org/openhab/persistence/dynamodb/internal/BaseIntegrationTest.java
+++ b/bundles/org.openhab.persistence.dynamodb/src/test/java/org/openhab/persistence/dynamodb/internal/BaseIntegrationTest.java
@@ -44,7 +44,6 @@ import org.openhab.core.items.Item;
 import org.openhab.core.items.ItemNotFoundException;
 import org.openhab.core.items.ItemNotUniqueException;
 import org.openhab.core.items.ItemRegistry;
-import org.openhab.core.items.RegistryHook;
 import org.openhab.core.library.items.CallItem;
 import org.openhab.core.library.items.ColorItem;
 import org.openhab.core.library.items.ContactItem;
@@ -298,16 +297,6 @@ public class BaseIntegrationTest extends JavaTest {
             public @Nullable Item remove(String itemName, boolean recursive) {
                 throw new UnsupportedOperationException();
             }
-
-            @Override
-            public void addRegistryHook(RegistryHook<Item> hook) {
-                throw new UnsupportedOperationException();
-            }
-
-            @Override
-            public void removeRegistryHook(RegistryHook<Item> hook) {
-                throw new UnsupportedOperationException();
-            }
         }, UNIT_PROVIDER, localEndpointOverride);
 
         service.activate(null, config);