diff --git a/src/tscut/tscut.py b/src/tscut/tscut.py
index 39e1a6e..5ab00c4 100755
--- a/src/tscut/tscut.py
+++ b/src/tscut/tscut.py
@@ -37,28 +37,16 @@ from typeguard import typechecked
 from tscut.h264.bitstream import (
     read_bit,
     read_bits,
-    read_boolean,
     read_byte,
     read_word,
     read_long,
-    read_unsigned_exp_golomb,
-    read_signed_exp_golomb,
-    write_bit,
-    write_boolean,
     write_bits,
     write_byte,
     write_word,
-    write_long,
-    write_unsigned_exp_golomb,
-    write_signed_exp_golomb,
-    parse_scaling_list,
-    write_scaling_list,
-    write_rbsp_trailing_bits,
-    parse_rbsp_trailing_bits,
     sodb_to_rbsp,
     rbsp_to_sodb,
-    more_rbsp_data
 )
+from tscut.h264.parameters import SPS, PPS
 
 # Local modules
 # TODO: create local modules for MP4, MKV