diff --git a/lib/sorted_containers/sorted_array.rb b/lib/sorted_containers/sorted_array.rb
index 5e32882..35f933e 100644
--- a/lib/sorted_containers/sorted_array.rb
+++ b/lib/sorted_containers/sorted_array.rb
@@ -94,16 +94,10 @@ def add(value)
       end
       @size += 1
     end
+    alias << add
 
     # rubocop:enable Metrics/MethodLength
 
-    # Alias for add
-    #
-    # @param value [Object] The value to add.
-    def <<(value)
-      add(value)
-    end
-
     # Returns a string representation of the sorted array.
     #
     # @return [String] A string representation of the sorted array.