diff --git a/Installation/cmake/modules/CGAL_Macros.cmake b/Installation/cmake/modules/CGAL_Macros.cmake
index 7ded524d97ca..596bc592a157 100644
--- a/Installation/cmake/modules/CGAL_Macros.cmake
+++ b/Installation/cmake/modules/CGAL_Macros.cmake
@@ -16,12 +16,10 @@ if( NOT CGAL_MACROS_FILE_INCLUDED )
 
   macro( cache_set var )
     set ( ${var} ${ARGN} CACHE INTERNAL "" )
-    set ( ${var} ${ARGN} CACHE INTERNAL "" )
   endmacro()
 
   macro( typed_cache_set type doc var )
     set ( ${var} ${ARGN} CACHE ${type} ${doc} FORCE )
-    set ( ${var} ${ARGN} CACHE ${type} ${doc} FORCE )
   endmacro()
 
   macro( cache_get var )