diff --git a/FindMySQL.cmake b/FindMySQL.cmake
index c73337a..d76fdbd 100644
--- a/FindMySQL.cmake
+++ b/FindMySQL.cmake
@@ -462,7 +462,7 @@ if(NOT WIN32)
     endif()
 
     if(NOT MYSQL_CXXFLAGS)
-      if(MYSQL_CXX_LINKAGE OR MYSQL_NUM_VERSION GREATER 50603)
+      if(MYSQL_CXX_LINKAGE)
         _mysql_conf(MYSQL_CXXFLAGS "--cxxflags")
         set(MYSQL_CXX_LINKAGE 1)
       else()