diff --git a/doc/kernel.doxyfile b/doc/kernel.doxyfile
index 5d5f1e1..7c84a84 100644
--- a/doc/kernel.doxyfile
+++ b/doc/kernel.doxyfile
@@ -829,7 +829,7 @@
 # spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = ../src/kernel
+INPUT                  = ../src/kernel ../include/kernel
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
@@ -898,7 +898,7 @@
 # Note that the wildcards are matched against the file with absolute path, so to
 # exclude all test directories use the pattern */test/*
 
-EXCLUDE_SYMBOLS        =
+EXCLUDE_SYMBOLS        = isr* irq* KBD_* MULTIBOOT_* _*
 
 # 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