diff --git a/src/test/java/org/gcube/informationsystem/resourceregistry/er/SmartgearResourcesTest.java b/src/test/java/org/gcube/informationsystem/resourceregistry/er/SmartgearResourcesTest.java
index eff7a79..1ea4ec9 100644
--- a/src/test/java/org/gcube/informationsystem/resourceregistry/er/SmartgearResourcesTest.java
+++ b/src/test/java/org/gcube/informationsystem/resourceregistry/er/SmartgearResourcesTest.java
@@ -372,7 +372,6 @@ public class SmartgearResourcesTest extends ScopedTest {
 		return memoryFacet;
 	}
 
-	@SuppressWarnings("restriction")
 	private MemoryFacet getRamInfo(MemoryFacet memoryFacet) {
 		if (memoryFacet == null) {
 			memoryFacet = new MemoryFacetImpl();