diff --git a/duniter4j-es-assembly/pom.xml b/duniter4j-es-assembly/pom.xml
index 3d127216e21f84ebfe545b9c0a18e9dd2a3815b4..a027b0a9987e46f2e374bb17a7b1cde846b686ca 100644
--- a/duniter4j-es-assembly/pom.xml
+++ b/duniter4j-es-assembly/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.duniter</groupId>
     <artifactId>duniter4j</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.1</version>
   </parent>
 
   <groupId>org.duniter</groupId>
diff --git a/duniter4j-es-gchange/src/main/java/org/duniter/elasticsearch/gchange/service/CommentService.java b/duniter4j-es-gchange/src/main/java/org/duniter/elasticsearch/gchange/service/CommentService.java
index deadf7711ba4a097875b3932bad80d4233875abf..8bd5dff7f200e303a38f718f3efea1d0addd13c1 100644
--- a/duniter4j-es-gchange/src/main/java/org/duniter/elasticsearch/gchange/service/CommentService.java
+++ b/duniter4j-es-gchange/src/main/java/org/duniter/elasticsearch/gchange/service/CommentService.java
@@ -24,7 +24,6 @@ package org.duniter.elasticsearch.gchange.service;
 
 
 import com.fasterxml.jackson.databind.JsonNode;
-import com.google.gson.JsonSyntaxException;
 import org.apache.commons.collections4.MapUtils;
 import org.duniter.core.client.model.elasticsearch.RecordComment;
 import org.duniter.core.exception.TechnicalException;
@@ -34,7 +33,6 @@ import org.duniter.elasticsearch.exception.NotFoundException;
 import org.duniter.elasticsearch.gchange.PluginSettings;
 import org.duniter.elasticsearch.gchange.model.event.GchangeEventCodes;
 import org.duniter.elasticsearch.gchange.model.market.MarketRecord;
-import org.duniter.elasticsearch.gchange.service.AbstractService;
 import org.duniter.elasticsearch.threadpool.ThreadPool;
 import org.duniter.elasticsearch.user.model.UserEvent;
 import org.duniter.elasticsearch.user.service.HistoryService;
@@ -247,7 +245,7 @@ public class CommentService extends AbstractService {
             SearchResponse response = searchRequest.execute().actionGet();
             return response.getHits().getTotalHits();
         }
-        catch(SearchPhaseExecutionException | JsonSyntaxException e) {
+        catch(SearchPhaseExecutionException e) {
             // Failed or no item on index
             logger.error(String.format("Error while counting comment replies: %s", e.getMessage()), e);
         }
diff --git a/duniter4j-es-gchange/src/main/java/org/duniter/elasticsearch/gchange/service/CommentUserEventService.java b/duniter4j-es-gchange/src/main/java/org/duniter/elasticsearch/gchange/service/CommentUserEventService.java
index 8ff57dbd167efc2ea246757c6bfae4c5d80cab2b..bc8bb500157a8069e4d73f839e90b81c5bca3f66 100644
--- a/duniter4j-es-gchange/src/main/java/org/duniter/elasticsearch/gchange/service/CommentUserEventService.java
+++ b/duniter4j-es-gchange/src/main/java/org/duniter/elasticsearch/gchange/service/CommentUserEventService.java
@@ -38,7 +38,6 @@ import org.duniter.core.util.websocket.WebsocketClientEndpoint;
 import org.duniter.elasticsearch.gchange.PluginSettings;
 import org.duniter.elasticsearch.gchange.model.event.GchangeEventCodes;
 import org.duniter.elasticsearch.gchange.model.market.MarketRecord;
-import org.duniter.elasticsearch.gchange.service.AbstractService;
 import org.duniter.elasticsearch.service.BlockchainService;
 import org.duniter.elasticsearch.service.changes.ChangeEvent;
 import org.duniter.elasticsearch.service.changes.ChangeService;
diff --git a/duniter4j-es-user/src/main/java/org/duniter/elasticsearch/user/service/UserEventService.java b/duniter4j-es-user/src/main/java/org/duniter/elasticsearch/user/service/UserEventService.java
index d795b76372d4fc2120127609d5d1aa7f8fb72363..79277567c11be0b83a2637e699632f535ca4467e 100644
--- a/duniter4j-es-user/src/main/java/org/duniter/elasticsearch/user/service/UserEventService.java
+++ b/duniter4j-es-user/src/main/java/org/duniter/elasticsearch/user/service/UserEventService.java
@@ -26,7 +26,6 @@ package org.duniter.elasticsearch.user.service;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.google.common.collect.ImmutableList;
-import com.google.gson.JsonSyntaxException;
 import org.duniter.core.exception.TechnicalException;
 import org.duniter.core.service.CryptoService;
 import org.duniter.core.service.MailService;
@@ -446,7 +445,7 @@ public class UserEventService extends AbstractService implements ChangeService.C
             // last flush
             flushDeleteBulk(INDEX, EVENT_TYPE, bulkRequest);
         }
-        catch(SearchPhaseExecutionException | JsonSyntaxException e) {
+        catch(SearchPhaseExecutionException e) {
             // Failed or no item on index
             logger.error(String.format("Error while deleting by reference: %s. Skipping deletions.", e.getMessage()), e);
         }