diff --git a/config.h.cmake b/config.h.cmake
index dab75fd73a4e29e208abf3a766facdec1560cb8a..c2991dd08a7454e6aebed0228276f6adaa7135f1 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -116,8 +116,6 @@
 
 /* end private */
 
-#cmakedefine HAVE_BOOST 1
-
 /* The header in which SHARED_PTR can be found */
 #cmakedefine SHARED_PTR_HEADER ${SHARED_PTR_HEADER}