diff --git a/include/fastdds/dds/domain/DomainParticipant.hpp b/include/fastdds/dds/domain/DomainParticipant.hpp
index 0ec09be0255..3e8b5a00a67 100644
--- a/include/fastdds/dds/domain/DomainParticipant.hpp
+++ b/include/fastdds/dds/domain/DomainParticipant.hpp
@@ -37,7 +37,6 @@
 #include <fastdds/dds/topic/Topic.hpp>
 #include <fastdds/dds/topic/TopicListener.hpp>
 #include <fastdds/dds/topic/TypeSupport.hpp>
-#include <fastdds/rtps/attributes/RTPSParticipantAttributes.h>
 #include <fastdds/rtps/common/Guid.h>
 #include <fastdds/rtps/common/SampleIdentity.h>
 #include <fastdds/rtps/common/Time_t.h>
@@ -62,9 +61,6 @@ namespace types {
 class TypeInformation;
 } // namespace types
 
-class PublisherAttributes;
-class SubscriberAttributes;
-
 } //namespace fastrtps
 
 namespace fastdds {
diff --git a/resources/xsd/fastdds_profiles.xsd b/resources/xsd/fastdds_profiles.xsd
index b8a526287a1..92f1c451195 100644
--- a/resources/xsd/fastdds_profiles.xsd
+++ b/resources/xsd/fastdds_profiles.xsd
@@ -40,7 +40,9 @@
         ├ data_writer               [0~*],
         ├ data_reader               [0~*],
         ├ transport_descriptors     [0~1],
-        └ topic                     [0~*] -->
+        ├ topic                     [0~1],
+        ├ replier                   [0~1],
+        └ requester                 [0~*] -->
     <xs:complexType name="profilesType">
         <xs:sequence minOccurs="1" maxOccurs="unbounded">   <!-- multiple instances of the elements -->
             <xs:choice minOccurs="1"> <!-- each instance can be one of the elements below -->