diff --git a/src/comm_tiled.h b/src/comm_tiled.h
index 4ceba44d4c..679be195aa 100644
--- a/src/comm_tiled.h
+++ b/src/comm_tiled.h
@@ -14,7 +14,6 @@
 #ifndef LMP_COMM_TILED_H
 #define LMP_COMM_TILED_H
 
-#include <mpi.h>
 #include "comm.h"
 
 namespace LAMMPS_NS {
diff --git a/src/irregular.h b/src/irregular.h
index 7a3613b4e1..01fe40c46b 100644
--- a/src/irregular.h
+++ b/src/irregular.h
@@ -14,7 +14,6 @@
 #ifndef LMP_IRREGULAR_H
 #define LMP_IRREGULAR_H
 
-#include <mpi.h>
 #include "pointers.h"
 
 namespace LAMMPS_NS {
diff --git a/src/rcb.h b/src/rcb.h
index f65ee2388a..555c4142b5 100644
--- a/src/rcb.h
+++ b/src/rcb.h
@@ -14,7 +14,6 @@
 #ifndef LAMMPS_RCB_H
 #define LAMMPS_RCB_H
 
-#include <mpi.h>
 #include "pointers.h"
 
 namespace LAMMPS_NS {
diff --git a/src/read_dump.h b/src/read_dump.h
index 6fb4f11ed1..66c05cc445 100644
--- a/src/read_dump.h
+++ b/src/read_dump.h
@@ -22,7 +22,6 @@ CommandStyle(read_dump,ReadDump)
 #ifndef LMP_READ_DUMP_H
 #define LMP_READ_DUMP_H
 
-#include <mpi.h>
 #include "pointers.h"
 
 namespace LAMMPS_NS {