diff --git a/CMakeLists.txt b/CMakeLists.txt
index 64ad3822..479a96cf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -58,21 +58,21 @@ add_definitions(-DPROJECT_DISPNAME="${PROJECT_DISPNAME}")
 # Compiler flags
 #-------------------------------------------------------------------------------
 
-if(CMAKE_BUILD_TYPE STREQUAL "Release")
- if(WIN32 AND MINGW)
-  set(CMAKE_CXX_FLAGS "-O3 -Wall -Wextra -g0 -funroll-loops")
-  set(CMAKE_EXE_LINKER_FLAGS "-Wl,--gc-sections")
- elseif (WIN32 AND MSVC)
-  set(CMAKE_CXX_FLAGS "/O2 /W3 /GL /arch:AVX2 /fp:fast /Zi")
-  set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/OPT:REF /OPT:ICF /LTCG /DEBUG")
- elseif(APPLE)
-  set(CMAKE_CXX_FLAGS "-O3 -Wall -Wextra -g0 -flto=full -funroll-loops")
-  set(CMAKE_EXE_LINKER_FLAGS "-Wl,-dead_strip -flto=full")
- elseif(UNIX)
-  set(CMAKE_CXX_FLAGS "-O3 -Wall -Wextra -g0 -flto -funroll-loops")
-  set(CMAKE_EXE_LINKER_FLAGS "-Wl,--gc-sections -flto")
- endif()
-endif()
+#if(CMAKE_BUILD_TYPE STREQUAL "Release")
+# if(WIN32 AND MINGW)
+#  set(CMAKE_CXX_FLAGS "-O3 -Wall -Wextra -g0 -funroll-loops")
+#  set(CMAKE_EXE_LINKER_FLAGS "-Wl,--gc-sections")
+# elseif (WIN32 AND MSVC)
+#  set(CMAKE_CXX_FLAGS "/O2 /W3 /GL /arch:AVX2 /fp:fast /Zi")
+#  set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/OPT:REF /OPT:ICF /LTCG /DEBUG")
+# elseif(APPLE)
+#  set(CMAKE_CXX_FLAGS "-O3 -Wall -Wextra -g0 -flto=full -funroll-loops")
+#  set(CMAKE_EXE_LINKER_FLAGS "-Wl,-dead_strip -flto=full")
+# elseif(UNIX)
+#  set(CMAKE_CXX_FLAGS "-O3 -Wall -Wextra -g0 -flto -funroll-loops")
+#  set(CMAKE_EXE_LINKER_FLAGS "-Wl,--gc-sections -flto")
+# endif()
+#endif()
 
 if (UNIX AND NOT APPLE)
   set(PROJECT_EXECUTABLE "serial-studio")