diff --git a/Encoding.hxx.in b/Encoding.hxx.in
index 8278d68555e95333909d3323f456da06f30f29ab..60a4a8e053612cd0d25375340c27e250fa558045 100644
--- a/Encoding.hxx.in
+++ b/Encoding.hxx.in
@@ -13,7 +13,6 @@
 #define @KWSYS_NAMESPACE@_Encoding_hxx
 
 #include <@KWSYS_NAMESPACE@/Configure.hxx>
-#include <@KWSYS_NAMESPACE@/String.h>
 #include <@KWSYS_NAMESPACE@/stl/string>
 
 /* Define these macros temporarily to keep the code readable.  */