diff --git a/documentation/Doxyfile.in b/documentation/Doxyfile.in
index f4044661b..f1358c726 100644
--- a/documentation/Doxyfile.in
+++ b/documentation/Doxyfile.in
@@ -611,9 +611,8 @@ RECURSIVE              = YES
 # excluded from the INPUT source files. This way you can easily exclude a
 # subdirectory from a directory tree whose root is specified with the INPUT tag.
 
-EXCLUDE =  @CMAKE_SOURCE_DIR@/src/fl_font_win32.cxx
-EXCLUDE += @CMAKE_SOURCE_DIR@/src/fl_font_mac.cxx
-EXCLUDE += @CMAKE_SOURCE_DIR@/src/aimm.h
+EXCLUDE  = @CMAKE_SOURCE_DIR@/src/aimm.h
+EXCLUDE += @CMAKE_SOURCE_DIR@/src/drivers/
 
 # The EXCLUDE_SYMLINKS tag can be used select whether or not files or
 # directories that are symbolic links (a Unix filesystem feature) are excluded
@@ -627,7 +626,9 @@ EXCLUDE_SYMLINKS       = NO
 # against the file with absolute path, so to exclude all test directories
 # for example use the pattern */test/*
 
-EXCLUDE_PATTERNS       =
+EXCLUDE_PATTERNS =  */src/*_win32.cxx
+EXCLUDE_PATTERNS += */src/*_mac.cxx
+EXCLUDE_PATTERNS += */src/*_x.cxx
 
 # The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
 # (namespaces, classes, functions, etc.) that should be excluded from the