diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
index 7c482a2c20..d00d3ff69c 100755
--- a/tool/rbinstall.rb
+++ b/tool/rbinstall.rb
@@ -941,8 +941,6 @@ end
 install?(:ext, :arch, :hdr, :'arch-hdr', :'hdr-arch') do
   prepare "extension headers", archhdrdir
   install_recursive("#{$extout}/include/#{CONFIG['arch']}", archhdrdir, :glob => "*.h", :mode => $data_mode)
-  install_recursive("#{$extout}/include/#{CONFIG['arch']}", archhdrdir, :glob => "rb_rjit_header-*.obj", :mode => $data_mode)
-  install_recursive("#{$extout}/include/#{CONFIG['arch']}", archhdrdir, :glob => "rb_rjit_header-*.pch", :mode => $data_mode)
 end
 
 install?(:ext, :comm, :'ext-comm') do