--- a/CMakeLists.txt	2019-07-09 14:47:12.552425226 +0200
+++ b/CMakeLists.txt	2019-07-09 14:50:02.595001358 +0200
@@ -166,12 +166,10 @@
 endif()
 
 message(STATUS "Building ${CMAKE_BUILD_TYPE} build")
-include(Config${CMAKE_BUILD_TYPE})
 
 #-----------------------------------------------------------------------------#
 # Compiler flags
 
-add_check_c_cxx_flag("-O${OPTIMIZATION_LEVEL}")
 add_check_c_cxx_flag("-Wall")
 add_check_c_flag("-fexceptions")
 add_check_c_cxx_flag("-Wno-deprecated")
--- a/test/regress/CMakeLists.txt	2019-07-14 09:49:38.429990489 +0200
+++ b/test/regress/CMakeLists.txt	2019-07-14 09:50:28.854234838 +0200
@@ -2155,7 +2155,6 @@
   regress4/C880mul.miter.shuffled-as.sat03-348.smtv1.smt2
   regress4/NEQ016_size5.smtv1.smt2
   regress4/bug143.smtv1.smt2
-  regress4/comb2.shuffled-as.sat03-420.smtv1.smt2
   regress4/hole10.cvc
   regress4/instance_1151.smtv1.smt2
 )