diff --git a/include/linux/mm.h b/include/linux/mm.h
index 498692da306c..32bb723ffbb9 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -4134,7 +4134,6 @@ void anon_rmap_tree_verify(struct anon_vma_chain *avc);
 
 /* mmap.c */
 extern int __vm_enough_memory(const struct mm_struct *mm, long pages, int cap_sys_admin);
-extern int insert_vm_struct(struct mm_struct *, struct vm_area_struct *);
 extern void exit_mmap(struct mm_struct *);
 bool mmap_read_lock_maybe_expand(struct mm_struct *mm, struct vm_area_struct *vma,
 				 unsigned long addr, bool write);
diff --git a/mm/internal.h b/mm/internal.h
index f950e88fdb52..874be94cf257 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -1360,15 +1360,6 @@ static inline bool gup_must_unshare(struct vm_area_struct *vma,
 }
 
 
-static __always_inline void vma_set_range(struct vm_area_struct *vma,
-					  unsigned long start, unsigned long end,
-					  pgoff_t pgoff)
-{
-	vma->vm_start = start;
-	vma->vm_end = end;
-	vma->vm_pgoff = pgoff;
-}
-
 static inline bool vma_soft_dirty_enabled(struct vm_area_struct *vma)
 {
 	/*
diff --git a/mm/vma.c b/mm/vma.c
index c591eb410674..a3500a53a7c4 100644
--- a/mm/vma.c
+++ b/mm/vma.c
@@ -70,6 +70,14 @@ struct mmap_state {
 		.state = VMA_MERGE_START,				\
 	}
 
+static void vma_set_range(struct vm_area_struct *vma, unsigned long start,
+			  unsigned long end, pgoff_t pgoff)
+{
+	vma->vm_start = start;
+	vma->vm_end = end;
+	vma->vm_pgoff = pgoff;
+}
+
 /* Was this VMA ever forked from a parent, i.e. maybe contains CoW mappings? */
 static bool vma_is_fork_child(struct vm_area_struct *vma)
 {
diff --git a/tools/testing/vma/shared.c b/tools/testing/vma/shared.c
index 2565a5aecb80..bea9ea6db02a 100644
--- a/tools/testing/vma/shared.c
+++ b/tools/testing/vma/shared.c
@@ -120,12 +120,3 @@ unsigned long rlimit(unsigned int limit)
 {
 	return (unsigned long)-1;
 }
-
-void vma_set_range(struct vm_area_struct *vma,
-		   unsigned long start, unsigned long end,
-		   pgoff_t pgoff)
-{
-	vma->vm_start = start;
-	vma->vm_end = end;
-	vma->vm_pgoff = pgoff;
-}
diff --git a/tools/testing/vma/shared.h b/tools/testing/vma/shared.h
index 8b9e3b11c3cb..ca4f1238f1c7 100644
--- a/tools/testing/vma/shared.h
+++ b/tools/testing/vma/shared.h
@@ -125,8 +125,3 @@ void __vma_set_dummy_anon_vma(struct vm_area_struct *vma,
 /* Provide a simple dummy VMA/anon_vma dummy setup for testing. */
 void vma_set_dummy_anon_vma(struct vm_area_struct *vma,
 			    struct anon_vma_chain *avc);
-
-/* Helper function to specify a VMA's range. */
-void vma_set_range(struct vm_area_struct *vma,
-		   unsigned long start, unsigned long end,
-		   pgoff_t pgoff);