lib/rspec/mocks/error_generator.rb in rspec-mocks-diag-3.8.1.2 vs lib/rspec/mocks/error_generator.rb in rspec-mocks-diag-3.9.1.1

@@ -45,10 +45,10 @@
         @opts ||= {}
       end
 
       # @private
       def raise_unexpected_message_error(message, args)
-        __raise "#{intro} received unexpected message :#{message} with #{format_args(args)}\nDouble instantiated from:\n#{@target._rspec_backtrace.map { |line| '  ' + line }.join("\n")}"
+        __raise "#{intro} received unexpected message :#{message} with #{format_args(args)}"
       end
 
       # @private
       def raise_unexpected_message_args_error(expectation, args_for_multiple_calls, source_id=nil)
         __raise error_message(expectation, args_for_multiple_calls), nil, source_id