diff --git a/source/blender/editors/armature/armature_naming.cc b/source/blender/editors/armature/armature_naming.cc
index d4d8a0c6c34..5a125c4e262 100644
--- a/source/blender/editors/armature/armature_naming.cc
+++ b/source/blender/editors/armature/armature_naming.cc
@@ -255,7 +255,7 @@ void ED_armature_bone_rename(Main *bmain,
       }
 
       if (BKE_modifiers_uses_armature(ob, arm) && BKE_object_supports_vertex_groups(ob)) {
-        if (bDeformGroup *existing_dg = BKE_object_defgroup_find_name(ob, newname)) {
+        if (BKE_object_defgroup_find_name(ob, newname)) {
           WM_reportf(
               eReportType::RPT_WARNING,
               "%s (%s::%s)",