Cleanup: compiler warnings

source/blender/blenkernel/intern/grease_pencil.cc

@@ -1081,8 +1081,8 @@ blender::bke::greasepencil::Layer &GreasePencil::add_layer(
     blender::bke::greasepencil::LayerGroup &group, const blender::StringRefNull name)
 {
   using namespace blender;
-  StringRefNull checked_name;
   /* TODO: Check for name collisions and resolve them. */
+  /* StringRefNull checked_name; */
   return group.add_layer(name);
 }
 

source/blender/depsgraph/intern/depsgraph_light_linking.cc

@@ -63,10 +63,12 @@ template<class T> static inline const T *get_original(const T *id)
 
 /* Check whether the ID is suitable to be an input of the dependency graph. */
 /* TODO(sergey): Move the function and check to a more generic place. */
+#ifndef NDEBUG
 bool is_valid_input_id(const ID &id)
 {
   return (id.tag & LIB_TAG_LOCALIZED) || DEG_is_original_id(&id);
 }
+#endif
 
 }  // namespace