diff --git a/extensions/panache/rest-data-panache/runtime/src/main/java/io/quarkus/rest/data/panache/ReactiveRestDataResource.java b/extensions/panache/rest-data-panache/runtime/src/main/java/io/quarkus/rest/data/panache/ReactiveRestDataResource.java
index dc6ef6f5d2e92..7ce9d26ea47f2 100644
--- a/extensions/panache/rest-data-panache/runtime/src/main/java/io/quarkus/rest/data/panache/ReactiveRestDataResource.java
+++ b/extensions/panache/rest-data-panache/runtime/src/main/java/io/quarkus/rest/data/panache/ReactiveRestDataResource.java
@@ -26,12 +26,16 @@ public interface ReactiveRestDataResource<Entity, ID> {
      * @param sort Panache sort instance that should be used in a query.
      * @return A response with an entities JSON array.
      */
-    Uni<List<Entity>> list(Page page, Sort sort);
+    default Uni<List<Entity>> list(Page page, Sort sort) {
+        throw new RuntimeException("Not implemented yet");
+    }
 
     /**
      * @return the total number of entities.
      */
-    Uni<Long> count();
+    default Uni<Long> count() {
+        throw new RuntimeException("Not implemented yet");
+    }
 
     /**
      * Return an entity as a JSON object.
@@ -40,7 +44,9 @@ public interface ReactiveRestDataResource<Entity, ID> {
      * @param id Entity identifier.
      * @return A response with a JSON object representing an entity.
      */
-    Uni<Entity> get(ID id);
+    default Uni<Entity> get(ID id) {
+        throw new RuntimeException("Not implemented yet");
+    }
 
     /**
      * Create a new entity from the provided JSON object.
@@ -50,7 +56,9 @@ public interface ReactiveRestDataResource<Entity, ID> {
      * @param entity Entity to be created
      * @return A response with a JSON object representing an entity and a location header of the new entity.
      */
-    Uni<Entity> add(Entity entity);
+    default Uni<Entity> add(Entity entity) {
+        throw new RuntimeException("Not implemented yet");
+    }
 
     /**
      * Update an existing entity or create a new one from the provided JSON object.
@@ -62,7 +70,9 @@ public interface ReactiveRestDataResource<Entity, ID> {
      * @return A response with no-content status in case of the update.
      *         A response with a JSON object representing an entity and a location header in case of the create.
      */
-    Uni<Entity> update(ID id, Entity entity);
+    default Uni<Entity> update(ID id, Entity entity) {
+        throw new RuntimeException("Not implemented yet");
+    }
 
     /**
      * Delete an entity.
@@ -70,5 +80,7 @@ public interface ReactiveRestDataResource<Entity, ID> {
      * @param id Entity identifier.
      * @return A boolean indicated whether the entity was deleted or not.
      */
-    Uni<Boolean> delete(ID id);
+    default Uni<Boolean> delete(ID id) {
+        throw new RuntimeException("Not implemented yet");
+    }
 }
diff --git a/extensions/panache/rest-data-panache/runtime/src/main/java/io/quarkus/rest/data/panache/RestDataResource.java b/extensions/panache/rest-data-panache/runtime/src/main/java/io/quarkus/rest/data/panache/RestDataResource.java
index 2d86466166fd5..fe664c7470070 100644
--- a/extensions/panache/rest-data-panache/runtime/src/main/java/io/quarkus/rest/data/panache/RestDataResource.java
+++ b/extensions/panache/rest-data-panache/runtime/src/main/java/io/quarkus/rest/data/panache/RestDataResource.java
@@ -25,12 +25,16 @@ public interface RestDataResource<Entity, ID> {
      * @param sort Panache sort instance that should be used in a query.
      * @return A response with an entities JSON array.
      */
-    List<Entity> list(Page page, Sort sort);
+    default List<Entity> list(Page page, Sort sort) {
+        throw new RuntimeException("Not implemented yet");
+    }
 
     /**
      * @return the total number of entities.
      */
-    long count();
+    default long count() {
+        throw new RuntimeException("Not implemented yet");
+    }
 
     /**
      * Return an entity as a JSON object.
@@ -39,7 +43,9 @@ public interface RestDataResource<Entity, ID> {
      * @param id Entity identifier.
      * @return A response with a JSON object representing an entity.
      */
-    Entity get(ID id);
+    default Entity get(ID id) {
+        throw new RuntimeException("Not implemented yet");
+    }
 
     /**
      * Create a new entity from the provided JSON object.
@@ -49,7 +55,9 @@ public interface RestDataResource<Entity, ID> {
      * @param entity Entity to be created
      * @return A response with a JSON object representing an entity and a location header of the new entity.
      */
-    Entity add(Entity entity);
+    default Entity add(Entity entity) {
+        throw new RuntimeException("Not implemented yet");
+    }
 
     /**
      * Update an existing entity or create a new one from the provided JSON object.
@@ -61,7 +69,9 @@ public interface RestDataResource<Entity, ID> {
      * @return A response with no-content status in case of the update.
      *         A response with a JSON object representing an entity and a location header in case of the create.
      */
-    Entity update(ID id, Entity entity);
+    default Entity update(ID id, Entity entity) {
+        throw new RuntimeException("Not implemented yet");
+    }
 
     /**
      * Delete an entity.
@@ -69,5 +79,7 @@ public interface RestDataResource<Entity, ID> {
      * @param id Entity identifier.
      * @return A boolean indicated whether the entity was deleted or not.
      */
-    boolean delete(ID id);
+    default boolean delete(ID id) {
+        throw new RuntimeException("Not implemented yet");
+    }
 }