diff --git a/codiki-exposition/src/main/java/org/codiki/exposition/publication/PublicationDto.java b/codiki-exposition/src/main/java/org/codiki/exposition/publication/PublicationDto.java
index c3c5642..c2c22e7 100644
--- a/codiki-exposition/src/main/java/org/codiki/exposition/publication/PublicationDto.java
+++ b/codiki-exposition/src/main/java/org/codiki/exposition/publication/PublicationDto.java
@@ -3,8 +3,6 @@ package org.codiki.exposition.publication;
 import java.time.ZonedDateTime;
 import java.util.UUID;
 
-import org.codiki.domain.category.model.Category;
-import org.codiki.domain.publication.model.Author;
 import org.codiki.domain.publication.model.Publication;
 import org.codiki.exposition.category.model.CategoryDto;
 import org.codiki.exposition.publication.model.AuthorDto;
diff --git a/codiki-infrastructure/src/main/java/org/codiki/infrastructure/category/model/CategoryEntity.java b/codiki-infrastructure/src/main/java/org/codiki/infrastructure/category/model/CategoryEntity.java
index 0f92c0c..f5032c2 100644
--- a/codiki-infrastructure/src/main/java/org/codiki/infrastructure/category/model/CategoryEntity.java
+++ b/codiki-infrastructure/src/main/java/org/codiki/infrastructure/category/model/CategoryEntity.java
@@ -1,7 +1,6 @@
 package org.codiki.infrastructure.category.model;
 
 import static java.util.Collections.emptyList;
-import java.util.Collections;
 import java.util.UUID;
 
 import org.codiki.domain.category.model.Category;