diff --git a/src/main/java/org/jitsi/impl/reservation/rest/ApiHandler.java b/src/main/java/org/jitsi/impl/reservation/rest/ApiHandler.java
index 4c67bfc281..8b0b597ea3 100644
--- a/src/main/java/org/jitsi/impl/reservation/rest/ApiHandler.java
+++ b/src/main/java/org/jitsi/impl/reservation/rest/ApiHandler.java
@@ -22,6 +22,7 @@
 import org.apache.http.NameValuePair;
 import org.apache.http.client.entity.*;
 import org.apache.http.client.methods.*;
+import org.apache.http.impl.*;
 import org.apache.http.impl.client.*;
 import org.apache.http.message.*;
 import org.apache.http.util.*;
@@ -57,7 +58,10 @@ public class ApiHandler
     /**
      * HTTP client used for sending requests.
      */
-    private final CloseableHttpClient client = HttpClientBuilder.create().build();
+    private final CloseableHttpClient client = HttpClientBuilder
+              .create()
+              .setConnectionReuseStrategy(NoConnectionReuseStrategy.INSTANCE)
+              .build();
 
     /**
      * JSON handler for <tt>Conference</tt> objects.
@@ -113,7 +117,7 @@ public ApiResult createNewConference(String ownerEmail,
                         entry.getKey(), String.valueOf(entry.getValue())));
         }
 
-        post.setEntity(new UrlEncodedFormEntity(nameValuePairs, "UTF8"));
+        post.setEntity(new UrlEncodedFormEntity(nameValuePairs, "UTF-8"));
 
         logger.info("Sending post: " + jsonMap);
 
@@ -190,7 +194,7 @@ public ApiResult getConference(Number conferenceId)
                 return new ApiResult(statusCode, error);
             }
         }
-        finally 
+        finally
         {
             if (response != null && response.getEntity() != null)
             {
diff --git a/src/main/java/org/jitsi/jicofo/JitsiMeetConferenceImpl.java b/src/main/java/org/jitsi/jicofo/JitsiMeetConferenceImpl.java
index ee7ece568a..6e11a587d1 100644
--- a/src/main/java/org/jitsi/jicofo/JitsiMeetConferenceImpl.java
+++ b/src/main/java/org/jitsi/jicofo/JitsiMeetConferenceImpl.java
@@ -1063,7 +1063,7 @@ private void onMemberLeft(ChatRoomMember chatRoomMember)
                         Reason.GONE,
                         null,
                         /* no need to send session-terminate - gone */ false,
-                        /* no need to send source-remove */ false);
+                        /* no need to send source-remove */ true);
             }
             else
             {
diff --git a/src/main/java/org/jitsi/jicofo/auth/AbstractAuthAuthority.java b/src/main/java/org/jitsi/jicofo/auth/AbstractAuthAuthority.java
index ea56296cfe..f117df4050 100644
--- a/src/main/java/org/jitsi/jicofo/auth/AbstractAuthAuthority.java
+++ b/src/main/java/org/jitsi/jicofo/auth/AbstractAuthAuthority.java
@@ -351,10 +351,7 @@ protected void notifyUserAuthenticated(Jid userJid,
     public IQ processAuthentication(
             ConferenceIq query, ConferenceIq response)
     {
-        synchronized (syncRoot)
-        {
-            return processAuthLocked(query, response);
-        }
+        return processAuthLocked(query, response);
     }
 
     /**