diff --git a/.travis.yml b/.travis.yml
index feaf9ec..ef922eb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,6 @@
 os: linux
 language: python
 python:
-- "2.7"
 - "3.4"
 - "3.5"
 - "3.7"
diff --git a/bme280/bme280.py b/bme280/bme280.py
index 1680d89..93e6afb 100644
--- a/bme280/bme280.py
+++ b/bme280/bme280.py
@@ -52,7 +52,7 @@ FILTER_8 = 0x03
 FILTER_16 = 0x04  # and all higher
 
 
-class Bme280(object):  # pylint: disable=bad-option-value,useless-object-inheritance
+class Bme280():
     def __init__(self, i2c_bus=1, sensor_address=ADDR):
         self.bus = smbus.SMBus(i2c_bus)
         self.sensor_address = sensor_address
@@ -179,7 +179,7 @@ class Bme280(object):  # pylint: disable=bad-option-value,useless-object-inherit
         for i in range(0xE1, 0xE1 + 7):
             calibration_regs.append(self.bus.read_byte_data(self.sensor_address, i))
 
-        # pylint: disable=bad-whitespace
+        # pylint: disable=bad-option-value,bad-whitespace
 
         # reorganize 8-bit words into compensation words (without correct sign)
         self.digT = []
diff --git a/pyproject.toml b/pyproject.toml
index eab7dee..80f03a7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ license = "MIT"
 homepage = "https://dev.mycrobase.de/gitea/cn/python-bme280"
 
 [tool.poetry.dependencies]
-python = "^2.7 || ^3.4"
+python = "^3.4"
 smbus2 = "*"
 
 [tool.poetry.dev-dependencies]
diff --git a/tests/bme280_test.py b/tests/bme280_test.py
index 2122ce4..585da68 100644
--- a/tests/bme280_test.py
+++ b/tests/bme280_test.py
@@ -14,7 +14,7 @@ import bme280  # pylint: disable=wrong-import-position
 
 
 # inspired by https://github.com/adafruit/Adafruit_Python_GPIO/blob/master/Adafruit_GPIO/I2C.py
-class MockSMBus(object):  # pylint: disable=bad-option-value,useless-object-inheritance
+class MockSMBus():
     def __init__(self, initial_read=None):
         self._log = []
         self.initial_read = initial_read or {}