--- a/cmake/cef_variables.cmake
+++ b/cmake/cef_variables.cmake
@@ -191,28 +191,6 @@
       )
   endif()
 
-  if(PROJECT_ARCH STREQUAL "x86_64")
-    # 64-bit architecture.
-    list(APPEND CEF_COMPILER_FLAGS
-      -m64
-      -march=x86-64
-      )
-    list(APPEND CEF_LINKER_FLAGS
-      -m64
-      )
-  elseif(PROJECT_ARCH STREQUAL "x86")
-    # 32-bit architecture.
-    list(APPEND CEF_COMPILER_FLAGS
-      -msse2
-      -mfpmath=sse
-      -mmmx
-      -m32
-      )
-    list(APPEND CEF_LINKER_FLAGS
-      -m32
-      )
-  endif()
-
   # Standard libraries.
   set(CEF_STANDARD_LIBS
     X11