diff --git a/theme.json b/theme.json
index 4f7ad6f..2b42173 100644
--- a/theme.json
+++ b/theme.json
@@ -124,6 +124,13 @@
           "size": "1.875rem"
         }
       ]
+    },
+    "blocks": {
+      "core/heading": {
+        "color": {
+          "background": false
+        }
+      }
     }
   }
 }
\ No newline at end of file