diff --git a/qmake/generators/unix/unixmake2.cpp b/qmake/generators/unix/unixmake2.cpp
index 8c495150abd..04423ec9af0 100644
--- a/qmake/generators/unix/unixmake2.cpp
+++ b/qmake/generators/unix/unixmake2.cpp
@@ -38,7 +38,6 @@
 #include <qbytearray.h>
 #include <qfile.h>
 #include <qdir.h>
-#include <qdatetime.h>
 #include <qdebug.h>
 #include <time.h>
 
@@ -1385,7 +1384,7 @@ UnixMakefileGenerator::writeLibtoolFile()
     QTextStream t(&ft);
     t << "# " << lname << " - a libtool library file\n";
     t << "# Generated by qmake/libtool (" QMAKE_VERSION_STR ") (Qt "
-      << QT_VERSION_STR << ") on: " << QDateTime::currentDateTime().toString();
+      << QT_VERSION_STR << ")";
     t << "\n";
 
     t << "# The name that we can dlopen(3).\n"