diff --git a/src/mpi/interface/f77/defines.h b/src/mpi/interface/f77/defines.h
deleted file mode 100644
index 2d6fb624cc..0000000000
--- a/src/mpi/interface/f77/defines.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * $HEADER$
- */
-
-#ifndef LAM_F77_DEFINES_H
-#define LAM_F77_DEFINES_H
-
-/*
- * This file makes a mapping from mpi_foo_f to the proper fortran
- * external symbol convention via 4 sets of #define's.
- *
- * This file is never included at the same time as
- * mpi/f77/profile/prototypes.h (some of the #define's conflict).
- */
-
-/*
- * First, all caps.
- */
-#if LAM_F77_CAPS
-#define mpi_comm_set_name_f MPI_COMM_SET_NAME
-#define mpi_init_f MPI_INIT
-#define mpi_finalize_f MPI_FINALIZE
-
-/*
- * Second, all lower case.
- */
-#elif LAM_F77_PLAIN
-#define mpi_comm_set_name_f mpi_comm_set_name
-#define mpi_init_f mpi_init
-#define mpi_finalize_f mpi_finalize
-
-/*
- * Third, one trailing underscore.
- */
-#elif LAM_F77_SINGLE_UNDERSCORE
-#define mpi_comm_set_name_f mpi_comm_set_name_
-#define mpi_init_f mpi_init_
-#define mpi_finalize_f mpi_finalize_
-
-/*
- * Fourth, two trailing underscores.
- */
-#elif LAM_F77_DOUBLE_UNDERSCORE
-#define mpi_comm_set_name_f mpi_comm_set_name__
-#define mpi_init_f mpi_init__
-#define mpi_finalize_f mpi_finalize__
-
-#endif
-
-#endif /* LAM_F77_DEFINES_H */