diff --git a/ext/psych/lib/psych/visitors/yaml_tree.rb b/ext/psych/lib/psych/visitors/yaml_tree.rb
index eb2be46a71..4abdda31d6 100644
--- a/ext/psych/lib/psych/visitors/yaml_tree.rb
+++ b/ext/psych/lib/psych/visitors/yaml_tree.rb
@@ -26,8 +26,6 @@ module Psych
 
         def key? target
           @obj_to_node.key? target
-        rescue NoMethodError
-          false
         end
 
         def id_for target