diff --git a/app/models/alchemy/element.rb b/app/models/alchemy/element.rb
index f71d2d1e0c..a0a349df62 100644
--- a/app/models/alchemy/element.rb
+++ b/app/models/alchemy/element.rb
@@ -35,13 +35,14 @@ class Element < BaseRecord
     FORBIDDEN_DEFINITION_ATTRIBUTES = [
       "amount",
       "autogenerate",
-      "nestable_elements",
+      "compact",
+      "deprecated",
       "hint",
       "ingredients",
-      "taggable",
-      "compact",
       "message",
-      "deprecated"
+      "nestable_elements",
+      "taggable",
+      "warning"
     ].freeze
 
     # All Elements that share the same page version and parent element and are fixed or not are considered a list.
diff --git a/spec/dummy/config/alchemy/elements.yml b/spec/dummy/config/alchemy/elements.yml
index 9b5d2eaab2..e17fc01680 100644
--- a/spec/dummy/config/alchemy/elements.yml
+++ b/spec/dummy/config/alchemy/elements.yml
@@ -226,3 +226,6 @@
     - role: key_words
       type: Text
       group: details
+
+- name: element_with_warning
+  warning: "Do not use this element!"
diff --git a/spec/models/alchemy/element_spec.rb b/spec/models/alchemy/element_spec.rb
index dd2dc6ede8..f536fb274d 100644
--- a/spec/models/alchemy/element_spec.rb
+++ b/spec/models/alchemy/element_spec.rb
@@ -114,6 +114,16 @@ module Alchemy
           end
         end
       end
+
+      context "with warning in definition" do
+        let(:element) do
+          Alchemy::Element.new(name: "element_with_warning")
+        end
+
+        it "creates element" do
+          expect { element.save }.to_not raise_error
+        end
+      end
     end
 
     describe ".dom_id_class" do