diff --git a/src/tc_keywords/j1b_pen.irp.f b/src/tc_keywords/j1b_pen.irp.f
index 3f1eb8ac..ebcd5107 100644
--- a/src/tc_keywords/j1b_pen.irp.f
+++ b/src/tc_keywords/j1b_pen.irp.f
@@ -63,7 +63,6 @@
   IRP_ENDIF
 
   IRP_IF MPI
-    include 'mpif.h'
     call MPI_BCAST(j1b_pen_coef, (nucl_num), MPI_DOUBLE_PRECISION, 0, MPI_COMM_WORLD, ierr)
     if (ierr /= MPI_SUCCESS) then
       stop 'Unable to read j1b_pen_coef with MPI'