diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2961b6b..b57da59 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,7 +35,7 @@ if (NOT CMAKE_BUILD_TYPE)
           message(STATUS "CMAKE_BUILD_TYPE not set, defaulting to Debug")
 endif ()
 
-
+add_compile_options(-UNDEBUG)
 
 add_subdirectory(ext)
 
diff --git a/src/ale/CMakeLists.txt b/src/ale/CMakeLists.txt
index c1e21ed..af3f9ea 100644
--- a/src/ale/CMakeLists.txt
+++ b/src/ale/CMakeLists.txt
@@ -10,6 +10,5 @@ set(alerax_SOURCES ale.cpp
   )
 
 add_program(alerax "${alerax_SOURCES}")
-target_link_libraries(alerax PRIVATE mpi-scheduler)
 install(TARGETS alerax DESTINATION bin)