--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -118,7 +118,6 @@ if(LOWERCASE_CMAKE_BUILD_TYPE STREQUAL "debug")
   set(RR_FLAGS "${RR_FLAGS_DEBUG} -g3 ")
 elseif(LOWERCASE_CMAKE_BUILD_TYPE STREQUAL "release")
   # CMake itself will add optimization flags
-  set(RR_FLAGS "${RR_FLAGS_RELEASE} -g3 -flto")
 endif()
 
 set(LINKER_FLAGS "")
@@ -675,12 +674,6 @@ endif()
 
 # Add -flto option to linking step if release
 if(LOWERCASE_CMAKE_BUILD_TYPE STREQUAL "release")
-  CHECK_C_COMPILER_FLAG("-flto=auto" SUPPORTS_LTO_AUTO)
-  if(SUPPORTS_LTO_AUTO)
-    set(RR_MAIN_LINKER_FLAGS "${RR_MAIN_LINKER_FLAGS} -flto=auto")
-  else()
-    set(RR_MAIN_LINKER_FLAGS "${RR_MAIN_LINKER_FLAGS} -flto")
-  endif()
 endif()
 
 if(LIBRT)