diff --git a/mm/vma.c b/mm/vma.c
index c26bbc898f85..68138e8c153e 100644
--- a/mm/vma.c
+++ b/mm/vma.c
@@ -962,9 +962,7 @@ struct vm_area_struct *vma_merge_new_range(struct vma_merge_struct *vmg)
 {
 	struct vm_area_struct *prev = vmg->prev;
 	struct vm_area_struct *next = vmg->next;
-	unsigned long start = vmg->start;
 	unsigned long end = vmg->end;
-	pgoff_t pglen = PHYS_PFN(end - start);
 	bool can_merge_left, can_merge_right;
 	bool just_expand = vmg->merge_flags & VMG_FLAG_JUST_EXPAND;
 
@@ -986,7 +984,6 @@ struct vm_area_struct *vma_merge_new_range(struct vma_merge_struct *vmg)
 	if (can_merge_right) {
 		vmg->end = next->vm_end;
 		vmg->vma = next;
-		vmg->pgoff = next->vm_pgoff - pglen;
 	}
 
 	/* If we can merge with the previous VMA, adjust vmg accordingly. */