diff --git a/source/source_cell/atom_spec.cpp b/source/source_cell/atom_spec.cpp
index 2321934fb9..bd4193672b 100644
--- a/source/source_cell/atom_spec.cpp
+++ b/source/source_cell/atom_spec.cpp
@@ -1,5 +1,4 @@
 #include "atom_spec.h"
-#include "source_io/module_parameter/parameter.h"
 #include "source_base/output.h"
 #include <cstdlib>
 
diff --git a/source/source_cell/k_vector_utils.cpp b/source/source_cell/k_vector_utils.cpp
index 43439bb947..2e265e6c2f 100644
--- a/source/source_cell/k_vector_utils.cpp
+++ b/source/source_cell/k_vector_utils.cpp
@@ -10,7 +10,6 @@
 #include "source_base/formatter.h"
 #include "source_base/parallel_common.h"
 #include "source_base/parallel_reduce.h"
-#include "source_io/module_parameter/parameter.h"
 
 namespace KVectorUtils
 {
diff --git a/source/source_cell/module_neighbor/sltk_atom_arrange.cpp b/source/source_cell/module_neighbor/sltk_atom_arrange.cpp
index 71a47b9edd..0c8d4dab55 100644
--- a/source/source_cell/module_neighbor/sltk_atom_arrange.cpp
+++ b/source/source_cell/module_neighbor/sltk_atom_arrange.cpp
@@ -1,7 +1,6 @@
 #include "sltk_atom_arrange.h"
 
 #include "source_base/timer.h"
-#include "source_io/module_parameter/parameter.h"
 #include "sltk_grid.h"
 #include "sltk_grid_driver.h"
 
diff --git a/source/source_cell/module_neighbor/sltk_grid_driver.cpp b/source/source_cell/module_neighbor/sltk_grid_driver.cpp
index 7986a37eeb..57ad46e5ac 100644
--- a/source/source_cell/module_neighbor/sltk_grid_driver.cpp
+++ b/source/source_cell/module_neighbor/sltk_grid_driver.cpp
@@ -3,7 +3,6 @@
 #include "source_base/global_function.h"
 #include "source_base/global_variable.h"
 #include "source_base/timer.h"
-#include "source_io/module_parameter/parameter.h"
 
 #ifdef _OPENMP
 #include <omp.h>
diff --git a/source/source_cell/unitcell.cpp b/source/source_cell/unitcell.cpp
index d921f03755..3f0a1ac0d0 100644
--- a/source/source_cell/unitcell.cpp
+++ b/source/source_cell/unitcell.cpp
@@ -20,10 +20,6 @@
 #include "mpi.h"
 #endif
 
-#ifdef __LCAO
-#include "../source_basis/module_ao/ORB_read.h" // to use 'ORB' -- mohan 2021-01-30
-#endif
-
 #include "update_cell.h"
 UnitCell::UnitCell()
 {