diff --git a/apps/dnet-is-application/src/main/java/eu/dnetlib/is/util/JsonResource.java b/apps/dnet-is-application/src/main/java/eu/dnetlib/is/util/JsonResource.java
deleted file mode 100644
index 328edbfe..00000000
--- a/apps/dnet-is-application/src/main/java/eu/dnetlib/is/util/JsonResource.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package eu.dnetlib.is.util;
-
-public @interface JsonResource {
-
-	String value();
-
-}
diff --git a/apps/dnet-is-application/src/main/java/eu/dnetlib/is/util/ResourceValidator.java b/apps/dnet-is-application/src/main/java/eu/dnetlib/is/util/ResourceValidator.java
index a051d83e..10d72b47 100644
--- a/apps/dnet-is-application/src/main/java/eu/dnetlib/is/util/ResourceValidator.java
+++ b/apps/dnet-is-application/src/main/java/eu/dnetlib/is/util/ResourceValidator.java
@@ -16,10 +16,6 @@ import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.config.BeanDefinition;
-import org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider;
-import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
-import org.springframework.core.type.filter.AnnotationTypeFilter;
 import org.springframework.http.MediaType;
 import org.springframework.stereotype.Component;
 import org.xml.sax.SAXException;
@@ -44,7 +40,7 @@ public class ResourceValidator {
 		if (rtype.getContentType().equals(MediaType.APPLICATION_XML_VALUE)) {
 			validateXml(type, content);
 		} else if (rtype.getContentType().equals(MediaType.APPLICATION_JSON_VALUE)) {
-			validateJSON(type, content);
+			validateJSON(content);
 		}
 	}
 
@@ -76,32 +72,13 @@ public class ResourceValidator {
 		}
 	}
 
-	private void validateJSON(final String type, final String content) throws InformationServiceException {
-		final Class<?> clazz = getJsonClass(type);
-		if (clazz == null) {
-			log.warn("no registered Class for " + type);
-		}
+	private void validateJSON(final String content) throws InformationServiceException {
 		final ObjectMapper mapper = new ObjectMapper();
-
 		try {
-			mapper.readValue(content, clazz);
+			mapper.readValue(content, Object.class);
 		} catch (final Exception e) {
 			throw new InformationServiceException(e.getMessage(), e);
 		}
 	}
 
-	private Class<?> getJsonClass(final String type) {
-		final ClassLoader classLoader = ResourceValidator.class.getClassLoader();
-
-		final ClassPathScanningCandidateComponentProvider provider = new ClassPathScanningCandidateComponentProvider(true);
-
-		provider.addIncludeFilter(new AnnotationTypeFilter(JsonResource.class));
-		provider.setResourceLoader(new PathMatchingResourcePatternResolver(classLoader));
-
-		for (final BeanDefinition bd : provider.findCandidateComponents("eu.dnetlib")) {
-			if (bd.getClass().getAnnotation(JsonResource.class).value().equals(type)) { return bd.getClass(); }
-		}
-		return null;
-	}
-
 }