diff --git a/drivers/misc/rockchip/pcie-rkep.c b/drivers/misc/rockchip/pcie-rkep.c
index 1d96a61d53a4..f448513101fc 100644
--- a/drivers/misc/rockchip/pcie-rkep.c
+++ b/drivers/misc/rockchip/pcie-rkep.c
@@ -610,9 +610,6 @@ static int pcie_rkep_mmap(struct file *file, struct vm_area_struct *vma)
 		return -EINVAL;
 	}
 
-	vma->vm_flags |= VM_IO;
-	vma->vm_flags |= (VM_DONTEXPAND | VM_DONTDUMP);
-
 	if (pcie_rkep->cur_mmap_res == PCIE_EP_MMAP_RESOURCE_BAR2 ||
 	    pcie_rkep->cur_mmap_res == PCIE_EP_MMAP_RESOURCE_USER_MEM)
 		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);