diff --git a/wrap/FileWriter.cpp b/wrap/FileWriter.cpp
index 3ced1ec44..ae474be0a 100644
--- a/wrap/FileWriter.cpp
+++ b/wrap/FileWriter.cpp
@@ -8,12 +8,10 @@
 #include "FileWriter.h"
 #include "utilities.h"
 
-#include <boost/date_time/gregorian/gregorian.hpp>
-
 #include <fstream>
+#include <iostream>
 
 using namespace std;
-using namespace boost::gregorian;
 using namespace wrap;
 
 /* ************************************************************************* */
@@ -41,10 +39,8 @@ void FileWriter::emit(bool add_header, bool force_overwrite) const {
 		if (!ofs) throw CantOpenFile(filename_);
 
 		// header
-		if (add_header) {
-			date today = day_clock::local_day();
-			ofs << comment_str_ << " automatically generated by wrap on " << today << endl;
-		}
+		if (add_header)
+			ofs << comment_str_ << " automatically generated by wrap" << endl;
 
 		// dump in stringstream
 		ofs << new_contents;