diff --git a/source/blender/editors/sculpt_paint/sculpt_automasking.cc b/source/blender/editors/sculpt_paint/sculpt_automasking.cc
index 6887a2f2e01..026e1beb41f 100644
--- a/source/blender/editors/sculpt_paint/sculpt_automasking.cc
+++ b/source/blender/editors/sculpt_paint/sculpt_automasking.cc
@@ -611,11 +611,6 @@ void node_update(auto_mask::NodeData &automask_data, PBVHVertexIter &vd)
   }
 }
 
-void cache_free(Cache *automasking)
-{
-  MEM_delete(automasking);
-}
-
 struct AutomaskFloodFillData {
   float radius;
   bool use_radius;
diff --git a/source/blender/editors/sculpt_paint/sculpt_intern.hh b/source/blender/editors/sculpt_paint/sculpt_intern.hh
index b4501c6976c..455e6d36be9 100644
--- a/source/blender/editors/sculpt_paint/sculpt_intern.hh
+++ b/source/blender/editors/sculpt_paint/sculpt_intern.hh
@@ -1330,7 +1330,6 @@ Cache *active_cache_get(SculptSession *ss);
  */
 std::unique_ptr<Cache> cache_init(const Sculpt *sd, Object *ob);
 std::unique_ptr<Cache> cache_init(const Sculpt *sd, const Brush *brush, Object *ob);
-void cache_free(Cache *automasking);
 
 bool mode_enabled(const Sculpt *sd, const Brush *br, eAutomasking_flag mode);
 bool is_enabled(const Sculpt *sd, const SculptSession *ss, const Brush *br);