diff --git a/can/dbc_test.py b/can/dbc_test.py
deleted file mode 100644
index 339e2a1..0000000
--- a/can/dbc_test.py
+++ /dev/null
@@ -1,33 +0,0 @@
-import sys
-import os
-import dbcs
-from common.dbc import dbc
-
-def run_test(test):
-  dbcpath = dbcs.DBC_PATH
-  if test == "delphi":
-    dbc_read = dbc(os.path.join(dbcpath, "delphi_esr2_64.dbc"))
-    st = "0021e7cd0000864d".decode("hex")
-    msg = 1280
-  elif test == "nidec":
-    dbc_read = dbc(os.path.join(dbcpath, "acura_ilx_2016_nidec.dbc"))
-    st = "0118111100000000".decode("hex")
-    msg = 0x301
-  elif test == "steer_status":
-    dbc_read = dbc(os.path.join(dbcpath, "acura_ilx_2016_can.dbc"))
-    st = "00000000000000".decode("hex")
-    msg = 0x18f
-
-  print(st)
-  print('here', dbc_read.msgs[msg])
-  out = dbc_read.decode([msg, 0, st], debug=True)[1]
-  print("out!!",out)
-  encoded = dbc_read.encode(msg, out)
-  print("compare")
-  print(encoded.encode("hex"))
-  print(st.encode("hex"))
-  assert encoded == st
-
-if __name__ == "__main__":
-  map(run_test, ['delphi', 'nidec', 'steer_status'])
-
diff --git a/can/libdbc_py.py b/can/libdbc_py.py
index ee0ab6b..26fedf2 100644
--- a/can/libdbc_py.py
+++ b/can/libdbc_py.py
@@ -1,5 +1,4 @@
 import os
-import subprocess
 
 from cffi import FFI
 
diff --git a/can/packer.py b/can/packer.py
index d812af6..b136ca9 100644
--- a/can/packer.py
+++ b/can/packer.py
@@ -1,6 +1,3 @@
 # pylint: skip-file
-import os
-import subprocess
-
 from opendbc.can.packer_impl import CANPacker
 assert CANPacker
diff --git a/can/parser.py b/can/parser.py
index 218cc89..3c3def2 100644
--- a/can/parser.py
+++ b/can/parser.py
@@ -1,5 +1,2 @@
-import os
-import subprocess
-
 from opendbc.can.parser_pyx import CANParser # pylint: disable=no-name-in-module, import-error
 assert CANParser