diff --git a/doxyfile_options b/doxyfile_options
index b8c8b17..173d4b6 100644
--- a/doxyfile_options
+++ b/doxyfile_options
@@ -484,7 +484,7 @@
 # has no effect if EXTRACT_ALL is enabled.
 # The default value is: NO.
 
-HIDE_UNDOC_CLASSES     = YES
+HIDE_UNDOC_CLASSES     = NO
 
 # If the HIDE_FRIEND_COMPOUNDS tag is set to YES, doxygen will hide all friend
 # (class|struct|union) declarations. If set to NO, these declarations will be
diff --git a/doxygen_options.json b/doxygen_options.json
index 900f101..5cb33a4 100644
--- a/doxygen_options.json
+++ b/doxygen_options.json
@@ -25,7 +25,6 @@
     "GENERATE_TESTLIST": "NO",
     "GENERATE_TODOLIST": "NO",
     "HIDE_SCOPE_NAMES": "YES",
-    "HIDE_UNDOC_CLASSES": "YES",
     "HIDE_UNDOC_MEMBERS": "YES",
     "HIDE_FRIEND_COMPOUNDS": "YES",
     "INLINE_INFO": "NO",