diff --git a/SystemTools.hxx.in b/SystemTools.hxx.in
index d71e05c7762ec092bdf5d8ed9b70bcc7ac623f59..9f341c7dfbc6d5293903502a7378afe0285a72ea 100644
--- a/SystemTools.hxx.in
+++ b/SystemTools.hxx.in
@@ -18,7 +18,6 @@
 #include <@KWSYS_NAMESPACE@/stl/string>
 #include <@KWSYS_NAMESPACE@/stl/vector>
 #include <@KWSYS_NAMESPACE@/stl/map>
-#include <@KWSYS_NAMESPACE@/stl/algorithm> 
 
 #include <@KWSYS_NAMESPACE@/Configure.h>