diff --git a/CMakeLists.txt b/CMakeLists.txt
index e62dc100..d2e6cd25 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,20 +40,6 @@ list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 set(CXX_STD 17 CACHE STRING "Set to 14, 17, etc., to enable C++14, C++17, etc.")
 message("-- Using -std=c++${CXX_STD}")
 
-
-# the following code will fail for clang-cl as it returns Clang but requires MSVC style
-# if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-#     add_definitions(-Wall)
-# if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
-#     add_definitions(-Wall)
-# elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
-#     add_definitions(-Wall)
-# elseif (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
-#     add_definitions(/W3)
-#     add_compile_options(/Zc:__cplusplus)
-# endif ()
-#
-# 
 # to just check the different frontend flavours we could use the following code
 if (CMAKE_CXX_COMPILER_FRONTEND_VARIANT STREQUAL "MSVC")
     get_filename_component(CNAME "${CMAKE_CXX_COMPILER}" NAME)