diff --git a/src/lib/Toolbox/Toolbox.xml b/src/lib/Toolbox/Toolbox.xml
index f88c1f8..229fdfc 100644
--- a/src/lib/Toolbox/Toolbox.xml
+++ b/src/lib/Toolbox/Toolbox.xml
@@ -86,7 +86,7 @@
         <sep gap="48"></sep>
         <block type="operators_join" />
         <block type="operators_letter" />
-        <block type="operators_addblock" />
+        <!--<block type="operators_addblock" />-->
     </category>
     <category name="Conversions" colour="#8BC059">
         <block type="conversions_tonumber" />