diff --git a/youtube_dl/jsinterp.py b/youtube_dl/jsinterp.py
index 8f204b1bef7..949f77775e8 100644
--- a/youtube_dl/jsinterp.py
+++ b/youtube_dl/jsinterp.py
@@ -900,12 +900,6 @@ def eval_method(variable, member):
                         else:
                             raise self.Exception('Unsupported Function method ' + func_prototype, expr)
                         member = new_member
-                if False and isinstance(obj, type):
-                    prototype = member.split('.')
-                    if len(prototype) == 3 and prototype[0::2] == ['prototype', 'call']:
-                        assertion(len(argvals) > 0, 'needs an instance')
-                        obj = argvals.pop(0)
-                        member = prototype[1]
 
                 if obj is compat_str:
                     if member == 'fromCharCode':