diff --git a/src/main/java/org/gcube/informationsystem/model/annotation/Abstract.java b/src/main/java/org/gcube/informationsystem/model/annotation/Abstract.java
deleted file mode 100644
index 64e69c3..0000000
--- a/src/main/java/org/gcube/informationsystem/model/annotation/Abstract.java
+++ /dev/null
@@ -1,12 +0,0 @@
-package org.gcube.informationsystem.model.annotation;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-@Target(ElementType.TYPE)
-@Retention(RetentionPolicy.RUNTIME)
-public @interface Abstract {
-
-}