diff --git a/wbz/wbz.py b/wbz/wbz.py
index 16ea371..f3d1fca 100644
--- a/wbz/wbz.py
+++ b/wbz/wbz.py
@@ -12,17 +12,14 @@
 
 class bzip2:
 
-    def __init__(self, fname, chunk_size, sc, verbose):
+    def __init__(self, fname, chunk_size, sc):
         self.fname = fname
-        self.chunk_size = chunk_size
-        self.verbose = verbose
+        self.chunk_size = chunk_size        
         self.bwt = BWT(sc)
         self.mtf = MTF()
         self.tb = BitsBytes()
         self.huf = Huffman()
-        self.fh = FileHandler()
-        self.rate = 1
-        self.name_file_encoded = None
+        self.fh = FileHandler()        
 
 
     def encode(self):        
@@ -42,11 +39,7 @@ def encode(self):
                         
             size = ((len(datac) // 8) // prl.cpus) * 8
 
-            cdata = prl.parallel(datac, size, [self.tb])
-
-            c_len = len(cdata)
-
-            self.rate = ((100 * c_len) // o_len)
+            cdata = prl.parallel(datac, size, [self.tb])             
 
             seqwriter = self.fh.write_bytes(bytearray(cdata), self.fname, True)
 
@@ -90,66 +83,19 @@ def decode(self):
     
     parser.add_argument('-f','--fname', type=str, help = "Name file", required=True)    
     parser.add_argument('-cs','--chunk_size', type=str, help = "Chunk size", required=True)
-    parser.add_argument('-ch','--special_chr', type=str, help = "Special char", required=True)
-    parser.add_argument('-v','--verbose', type=int, help = "Verbose", required=False)
-
-    args = parser.parse_args()
-    verbose = False
-
-    if args.verbose is not None:
-        if args.verbose == 1:
-            verbose = True
-        elif args.verbose == 0:
-            verbose = False
-        else:         
-            print("The value: {} assigned to -v or --verbose is invalid, Verbose is inactive".format(args.verbose))
+    parser.add_argument('-ch','--special_chr', type=str, help = "Special char", required=True)    
 
+    args = parser.parse_args()    
 
     if args.fname is not None and args.fname!= '':
         if args.chunk_size is not None and args.chunk_size != '':
             if args.special_chr is not None and args.special_chr != '':
                 if args.Action == 'encode':
-                    bzip = bzip2(args.fname, int(args.chunk_size), args.special_chr, verbose)             
+                    bzip = bzip2(args.fname, int(args.chunk_size), args.special_chr)      
                     bzip.encode()
                 elif args.Action == 'decode':
-                    bzip = bzip2(args.fname, int(args.chunk_size), args.special_chr, verbose)                 
+                    bzip = bzip2(args.fname, int(args.chunk_size), args.special_chr)                 
                     bzip.decode()
-                elif args.Action == 'performance':
-                    chunk_sizes =  [100, 150,  200, 250, 300, 350,  400, 450, 500, 550, 1000, 1500, 2000, 2500, 3000, 3500, 4000, 4500, 5000, 5500, 6000, 7000, 8000, 9000, 10000, 12000, 15000, 18000, 20000, 25000, 30000, 35000] #40000, 50000]
-                    files = ['data/data_1000000', 'data/data_500000', 'data/data_250000']
-                    file_size = []
-                    chunk_size = []
-                    encoding_times = []
-                    decoding_times = []
-                    rates_compression = []
-
-                    for f in files:
-                        for size in chunk_sizes:
-                            print(f, "start", size)                                                        
-                            bzip = bzip2(f + '.csv', size, ';', False)
-                            chunk_size.append(size)
-                            file_size.append(f)
-                            inicio = tiempo.default_timer()
-                            bzip.encode()
-                            fin = tiempo.default_timer()
-                            encoding_times.append(format(fin-inicio, '.8f'))
-                            rates_compression.append(bzip.rate)
-
-                            bzip = bzip2(f + '.wbz', size, ';', False)
-                            inicio = tiempo.default_timer()
-                            bzip.decode()
-                            fin = tiempo.default_timer()
-                            decoding_times.append(format(fin-inicio, '.8f'))
-                            print(f, "end", size)
-
-                    performance_df = pd.DataFrame()
-                    performance_df['file_size'] = file_size
-                    performance_df['chunk_size'] = chunk_size
-                    performance_df['encoding_time'] = encoding_times
-                    performance_df['rate_compression'] = rates_compression
-                    performance_df['decoding_time'] = decoding_times
-                    performance_df.to_csv('data/performance_wbz.csv', index=False, sep=';')
-
                 else:
                     print("Action {} is invalid".format(args.Action))
             else: