--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,12 +12,7 @@ function(define_file_basename_for_source
   endforeach()
 endfunction()
 
-set(CMAKE_BUILD_TYPE "Debug")
-#set(CMAKE_BUILD_TYPE "Release")
-
-set(CMAKE_C_FLAGS "-Wall -Wextra --pedantic -Wno-strict-aliasing -Wno-variadic-macros")
-set(CMAKE_C_FLAGS_DEBUG "-g -DDEBUG")
-set(CMAKE_C_FLAGS_RELEASE "-O2")
+set(CMAKE_BUILD_TYPE "Release")
 
 if ((CMAKE_C_COMPILER_ID MATCHES GNU   AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 9) OR
     (CMAKE_C_COMPILER_ID MATCHES Clang AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 10))
