diff --git a/.gitignore b/.gitignore
index a47741a5c..a98515688 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,10 @@ doc/openthreads.doxyfile
 
 doc/OpenSceneGraphReferenceDocs/
 doc/OpenThreadsReferenceDocs/
+doc/*.chm
+
+CMakeDoxyfile.in
+CMakeDoxygenDefaults.cmake
 
 cmake_uninstall.cmake