Remove unnecessary annotation
diff --git a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/AMQPSession.java b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/AMQPSession.java
index 3ff2da9..8bc72c6 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/AMQPSession.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/AMQPSession.java
@@ -1,7 +1,6 @@
 package com.googlesource.gerrit.plugins.rabbitmq;
 
 import com.google.inject.Inject;
-import com.google.inject.Singleton;
 
 import com.rabbitmq.client.Channel;
 import com.rabbitmq.client.Connection;
@@ -17,7 +16,6 @@
 import java.io.IOException;
 import java.net.URISyntaxException;
 
-@Singleton
 public class AMQPSession implements ShutdownListener {
 
   private static final Logger LOGGER = LoggerFactory.getLogger(AMQPSession.class);
diff --git a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java
index 8ff2aff..0517afb 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java
@@ -5,7 +5,6 @@
 import com.google.gerrit.server.config.GerritServerConfig;
 import com.google.gerrit.server.config.SitePaths;
 import com.google.inject.Inject;
-import com.google.inject.Singleton;
 
 import com.rabbitmq.client.AMQP;
 
@@ -23,7 +22,6 @@
 import java.util.HashMap;
 import java.util.Map;
 
-@Singleton
 public class Properties {
 
   private static final Logger LOGGER = LoggerFactory.getLogger(Properties.class);