diff --git a/CMakeLists.txt b/CMakeLists.txt
index 250e3cdc..e7163977 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,18 +44,6 @@ if(CMAKE_COMPILER_IS_GNUCXX OR ${CMAKE_CXX_COMPILER_ID} MATCHES Clang)
   add_definitions(-Wall)
 endif()
 
-set(DISABLE_SSE ON)
-check_c_source_compiles(
-  "#if !defined(__x86_64) && !defined(__i386__) \
-  && !defined(_M_IX86) && !defined(_M_AMD64)
-  #error not x86
-  #endif
-  int main(){return 0;}"
-  HAVE_X86)
-if (HAVE_X86)
-  set(DISABLE_SSE OFF)
-endif()
-
 option(BUILD_SHARED_LIBS "Build shared library" ON)
 if(NOT BUILD_SHARED_LIBS)
   add_definitions(-DLIBDE265_STATIC_BUILD)
diff --git a/libde265/CMakeLists.txt b/libde265/CMakeLists.txt
index 86d49ffd..79fc81f9 100644
--- a/libde265/CMakeLists.txt
+++ b/libde265/CMakeLists.txt
@@ -94,7 +94,15 @@ add_definitions(-DLIBDE265_EXPORTS)
 
 add_subdirectory (encoder)
 
-if(NOT DISABLE_SSE)
+check_c_source_compiles(
+  "#if !defined(__x86_64) && !defined(__i386__) \
+  && !defined(_M_IX86) && !defined(_M_AMD64)
+  #error not x86
+  #endif
+  int main(){return 0;}"
+  HAVE_X86)
+
+if(HAVE_X86)
   if (MSVC)
     set(SUPPORTS_SSE2 1)
     set(SUPPORTS_SSSE3 1)