diff --git a/doc/.known-issues/doc/dupdecl.conf b/doc/.known-issues/doc/dupdecl.conf
index c71875da3..33873b5be 100644
--- a/doc/.known-issues/doc/dupdecl.conf
+++ b/doc/.known-issues/doc/dupdecl.conf
@@ -6,5 +6,7 @@
 # Sphinx 2.0
 ^(?P<filename>[-._/\w]+/hld/[-._/\w]+.rst):(?P<lineno>[0-9]+): WARNING: Duplicate declaration, .*
 #
+^(?P<filename>[-._/\w]+/hld/[-._/\w]+.rst):(?P<lineno>[0-9]+): WARNING: duplicate C object description.*
+#
 ^(?P<filename>[-._/\w]+/hld/[-._/\w]+.rst):(?P<lineno>[0-9]+): WARNING: Duplicate C\+\+ declaration, .*
 ^Declaration is .*
diff --git a/doc/conf.py b/doc/conf.py
index e00ec5c92..140a83347 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -318,7 +318,21 @@ breathe_projects = {
 	"Project ACRN" : "doxygen/xml",
 }
 breathe_default_project = "Project ACRN"
-breathe_default_members = ('members', 'undoc-members', 'content-only')
+# breathe_default_members = ('members', 'undoc-members', 'content-only')
+breathe_domain_by_extension = {
+   "h": "c",
+   "c": "c",
+}
+
+cpp_id_attributes = [
+    '__syscall', '__deprecated', '__may_alias',
+    '__used', '__unused', '__weak',
+    '__DEPRECATED_MACRO', 'FUNC_NORETURN',
+    '__subsystem',
+]
+c_id_attributes = cpp_id_attributes
+
+
 
 
 # Custom added feature to allow redirecting old URLs (caused by