diff --git a/libsrc/include/mystdlib.h b/libsrc/include/mystdlib.h
index 17b498eb..9e0a04e7 100644
--- a/libsrc/include/mystdlib.h
+++ b/libsrc/include/mystdlib.h
@@ -30,7 +30,6 @@
 // #undef SEEK_SET
 // #undef SEEK_CUR
 // #undef SEEK_END
-#include <mpi.h>
 #include <unistd.h>  // for usleep (only for parallel)
 #endif