diff --git a/mm/mmap.c b/mm/mmap.c
index 51958d192a48..9d548512ff8a 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1566,7 +1566,6 @@ munmap_back:
 		WARN_ON_ONCE(addr != vma->vm_start);
 
 		addr = vma->vm_start;
-		pgoff = vma->vm_pgoff;
 		vm_flags = vma->vm_flags;
 	} else if (vm_flags & VM_SHARED) {
 		error = shmem_zero_setup(vma);