diff --git a/ciderpress/lib/CMakeLists.txt b/ciderpress/lib/CMakeLists.txt
index 49d4267..7eff694 100644
--- a/ciderpress/lib/CMakeLists.txt
+++ b/ciderpress/lib/CMakeLists.txt
@@ -66,7 +66,6 @@ link_directories(${CMAKE_INSTALL_PREFIX}/lib ${CMAKE_INSTALL_PREFIX}/lib64)
 
 # TODO some other stuff from pyscf CMake file was here
 
-add_subdirectory(opt_cider)
 add_subdirectory(mod_cider)
 add_subdirectory(numint_cider)
 add_subdirectory(sbt)