diff --git a/lib/mozilla-ast.js b/lib/mozilla-ast.js
index b92b2847..70e8fc8d 100644
--- a/lib/mozilla-ast.js
+++ b/lib/mozilla-ast.js
@@ -235,8 +235,6 @@
                 moz_to_me += moz;
             } else if (how == "%") {
                 moz_to_me += "from_moz(" + moz + ").body";
-            } else if (how == "@>") {
-                moz_to_me += "from_moz(" + moz + "[0])";
             } else throw new Error("Can't understand operator in propmap: " + prop);
         });
         moz_to_me += "\n})}";