diff --git a/doc/zephyr.doxyfile.in b/doc/zephyr.doxyfile.in
index 7433a8e78e6876..05b6bf37a2cf63 100644
--- a/doc/zephyr.doxyfile.in
+++ b/doc/zephyr.doxyfile.in
@@ -827,7 +827,7 @@ EXCLUDE_PATTERNS       =
 
 # Hide internal names (starting with an underscore, and doxygen-generated names
 # for nested unnamed unions that don't generate meaningful sphinx output anyway.
-EXCLUDE_SYMBOLS        = _*  *.__unnamed__
+EXCLUDE_SYMBOLS        = _*  *.__unnamed__ z_* Z_*
 
 # The EXAMPLE_PATH tag can be used to specify one or more files or directories
 # that contain example code fragments that are included (see the \include