diff --git a/.known-issues/doc/uart.conf b/.known-issues/doc/uart.conf
index 26e5e167cd9..27462cde1cf 100644
--- a/.known-issues/doc/uart.conf
+++ b/.known-issues/doc/uart.conf
@@ -13,3 +13,19 @@
 ^(?P=filename):(?P=lineno): WARNING: Invalid definition: Expected end of definition. \[error at [0-9]+]
 ^.*uart_device_config.__unnamed__.*
 ^[- \t]*\^
+#
+^(?P<filename>([\-:\\/\w\.])+[/\\]doc[/\\]api[/\\]io_interfaces.rst):(?P<lineno>[0-9]+): WARNING: Invalid definition: Expected identifier in nested name. \[error at [0-9]+]
+^[ \t]*
+^[ \t]*\^
+^(?P=filename):(?P=lineno): WARNING: Invalid definition: Expected identifier in nested name. \[error at [0-9]+]
+^[ \t]*
+^[ \t]*\^
+^(?P=filename):(?P=lineno): WARNING: Invalid definition: Expected identifier in nested name. \[error at [0-9]+]
+^[ \t]*
+^[ \t]*\^
+^(?P=filename):(?P=lineno): WARNING: Invalid definition: Expected identifier in nested name. \[error at [0-9]+]
+^[ \t]*
+^[ \t]*\^
+^(?P=filename):(?P=lineno): WARNING: Invalid definition: Expected end of definition. \[error at [0-9]+]
+^.*uart_event.data
+^[- \t]*\^