4 files changed, 4 insertions, 4 deletions
diff --git a/qpid/cpp/src/qpid/broker/amqp/Filter.h b/qpid/cpp/src/qpid/broker/amqp/Filter.h
index 3f395c9c19..e12e9e412b 100644
--- a/qpid/cpp/src/qpid/broker/amqp/Filter.h
+++ b/qpid/cpp/src/qpid/broker/amqp/Filter.h
@@ -33,7 +33,7 @@ namespace qpid {
 namespace broker {
 class Exchange;
 class Queue;
-class QueueSettings;
+struct QueueSettings;
 namespace amqp {
 class Outgoing;
 
diff --git a/qpid/cpp/src/qpid/messaging/amqp/Sasl.h b/qpid/cpp/src/qpid/messaging/amqp/Sasl.h
index b306454f9a..6de36bd7f2 100644
--- a/qpid/cpp/src/qpid/messaging/amqp/Sasl.h
+++ b/qpid/cpp/src/qpid/messaging/amqp/Sasl.h
@@ -31,7 +31,7 @@ namespace sys {
 class SecurityLayer;
 }
 namespace messaging {
-class ConnectionOptions;
+struct ConnectionOptions;
 namespace amqp {
 class ConnectionContext;
 
diff --git a/qpid/cpp/src/qpid/messaging/amqp/TcpTransport.h b/qpid/cpp/src/qpid/messaging/amqp/TcpTransport.h
index 21cc988624..3e59ec97b2 100644
--- a/qpid/cpp/src/qpid/messaging/amqp/TcpTransport.h
+++ b/qpid/cpp/src/qpid/messaging/amqp/TcpTransport.h
@@ -32,7 +32,7 @@ namespace sys {
 class ConnectionCodec;
 class AsynchConnector;
 class AsynchIO;
-class AsynchIOBufferBase;
+struct AsynchIOBufferBase;
 class Poller;
 }
 namespace messaging {
diff --git a/qpid/cpp/src/qpid/messaging/amqp/TransportContext.h b/qpid/cpp/src/qpid/messaging/amqp/TransportContext.h
index 3ff353c19c..df9add3e0b 100644
--- a/qpid/cpp/src/qpid/messaging/amqp/TransportContext.h
+++ b/qpid/cpp/src/qpid/messaging/amqp/TransportContext.h
@@ -26,7 +26,7 @@ namespace sys {
 class Codec;
 }
 namespace messaging {
-class ConnectionOptions;
+struct ConnectionOptions;
 
 namespace amqp {