diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0087edb2..28960a4f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -282,15 +282,6 @@ ELSE()
                              int main() {return 0;}" HAVE_GCC_DESTRUCTOR)
 ENDIF()
 
-# Set visibility/export options if available
-IF(WIN32)
-    SET(EXPORT_DECL "__declspec(dllexport)")
-    IF(NOT MINGW)
-        SET(ALIGN_DECL "__declspec(align(x))")
-    ELSE()
-        SET(ALIGN_DECL "__declspec(aligned(x))")
-    ENDIF()
-ELSE()
     SET(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
     # Yes GCC, really don't accept visibility modes you don't support
     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -Wattributes -Werror")
@@ -321,7 +312,6 @@ ELSE()
     ENDIF()
 
     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}")
-ENDIF()
 
 SET(SSE_SWITCH "")
 SET(SSE2_SWITCH "")