diff --git a/source/source_lcao/module_gint/temp_gint/kernel/gint_gpu_vars.h b/source/source_lcao/module_gint/temp_gint/kernel/gint_gpu_vars.h
deleted file mode 100644
index 5f711aa6a0f..00000000000
--- a/source/source_lcao/module_gint/temp_gint/kernel/gint_gpu_vars.h
+++ /dev/null
@@ -1,44 +0,0 @@
-#pragma once
-
-#include <cuda_runtime.h>
-#include "set_const_mem.cuh"
-#include "source_base/ylm.h"
-#include "source_cell/unitcell.h"
-#include "source_cell/atom_spec.h"
-#include "source_lcao/module_gint/biggrid_info.h"
-#include "gint_helper.cuh"
-
-namespace ModuleGint
-{
-
-class GintGpuVars
-{
-    public:
-    GintGpuVars(std::shared_ptr<const BigGridInfo> bgrid_info,
-                const UnitCell& ucell,
-                const Numerical_Orbital* Phi);
-    ~GintGpuVars();
-    
-    int nwmax;
-    double dr_uniform;
-    double nr_max;
-    // ylmcoef_d is __constant__ memory, no need to cudaFree
-    double* ylmcoef_d = nullptr;
-    double* rcut_d = nullptr;
-    int* atom_nw_d = nullptr;
-    int* ucell_atom_nwl_d = nullptr;
-    bool* atom_iw2_new_d = nullptr;
-    int* atom_iw2_ylm_d = nullptr;
-    int* atom_iw2_l_d = nullptr;
-    double* psi_u_d = nullptr;
-    double* dpsi_u_d = nullptr;
-    double* d2psi_u_d = nullptr;
-    double3* mgrids_pos_d = nullptr;
-    int* iat2it_d = nullptr;
-
-    // the index of gpu device
-    int dev_id_ = 0;
-
-};
-
-}
\ No newline at end of file