diff --git a/setup.py b/setup.py
index edd4009..9536ab2 100644
--- a/setup.py
+++ b/setup.py
@@ -9,15 +9,11 @@
 except ImportError:
     from distutils.core import setup
 
-PY3 = sys.version_info > (3,)
-
 CLASSIFIERS = """
 Development Status :: 5 - Production/Stable
 License :: OSI Approved :: MIT License
 Operating System :: OS Independent
 Programming Language :: Python
-Programming Language :: Python :: 2
-Programming Language :: Python :: 2.7
 Programming Language :: Python :: 3
 Programming Language :: Python :: 3.6
 Programming Language :: Python :: 3.7
@@ -26,8 +22,7 @@
 Topic :: Software Development :: Testing
 """[1:-1]
 
-TEST_REQUIRE = ['robotframework>=3.2.1', 'pytest', 'flask', 'six', 'coverage', 'flake8'] if PY3 \
-    else ['robotframework>=3.2.1', 'pytest', 'flask', 'coverage', 'flake8', 'mock']
+TEST_REQUIRE = ['robotframework>=3.2.1', 'pytest', 'flask', 'six', 'coverage', 'flake8']
 
 VERSION = None
 version_file = join(dirname(abspath(__file__)), 'src', 'RequestsLibrary', 'version.py')
diff --git a/src/RequestsLibrary/SessionKeywords.py b/src/RequestsLibrary/SessionKeywords.py
index 549e422..d1275f6 100644
--- a/src/RequestsLibrary/SessionKeywords.py
+++ b/src/RequestsLibrary/SessionKeywords.py
@@ -11,7 +11,7 @@
 from robot.utils.asserts import assert_equal
 
 from RequestsLibrary import utils
-from RequestsLibrary.compat import httplib, PY3, RetryAdapter
+from RequestsLibrary.compat import httplib, RetryAdapter
 from .RequestsKeywords import RequestsKeywords
 from RequestsLibrary.exceptions import InvalidResponse, InvalidExpectedStatus
 from RequestsLibrary.utils import is_string_type
@@ -602,20 +602,8 @@ def _capture_output(self):
     def _print_debug(self):
         if self.debug >= 1:
             sys.stdout = sys.__stdout__  # Restore stdout
-            if PY3:
-                debug_info = ''.join(
-                    self.http_log.content).replace(
-                    '\\r',
-                    '').replace(
-                    '\'',
-                    '')
-            else:
-                debug_info = ''.join(
-                    self.http_log.content).replace(
-                    '\\r',
-                    '').decode('string_escape').replace(
-                    '\'',
-                    '')
+            debug_info = ''.join(
+                self.http_log.content).replace('\\r','').replace('\'','')
 
             # Remove empty lines
             debug_info = "\n".join(
diff --git a/src/RequestsLibrary/compat.py b/src/RequestsLibrary/compat.py
index cc641be..5e12063 100644
--- a/src/RequestsLibrary/compat.py
+++ b/src/RequestsLibrary/compat.py
@@ -2,17 +2,9 @@
 import sys
 from requests.packages.urllib3.util import Retry
 
-PY3 = sys.version_info > (3,)
-
-if PY3:
-    import http.client as httplib  # noqa
-    from urllib.parse import urlencode  # noqa
-    from urllib.parse import urljoin  # noqa
-else:
-    import httplib  # noqa
-    from urllib import urlencode  # noqa
-    from urlparse import urljoin  # noqa
-
+import http.client as httplib  # noqa
+from urllib.parse import urlencode  # noqa
+from urllib.parse import urljoin  # noqa
 
 class RetryAdapter(Retry):
 
diff --git a/src/RequestsLibrary/utils.py b/src/RequestsLibrary/utils.py
index 4389432..63025f0 100644
--- a/src/RequestsLibrary/utils.py
+++ b/src/RequestsLibrary/utils.py
@@ -6,7 +6,7 @@
 from requests.structures import CaseInsensitiveDict
 from robot.api import logger
 
-from RequestsLibrary.compat import urlencode, PY3
+from RequestsLibrary.compat import urlencode
 from RequestsLibrary.exceptions import UnknownStatusError
 
 
@@ -74,20 +74,10 @@ def json_pretty_print(content):
 
 
 def is_string_type(data):
-    if PY3 and isinstance(data, str):
-        return True
-    elif not PY3 and isinstance(data, unicode): # noqa
-        return True
-    return False
-
+    return isinstance(data, str)
 
 def is_file_descriptor(fd):
-    if PY3 and isinstance(fd, io.IOBase):
-        return True
-    if not PY3 and isinstance(fd, file): # noqa
-        return True
-    return False
-
+    return isinstance(fd, io.IOBase)
 
 def utf8_urlencode(data):
     if is_string_type(data):
@@ -103,7 +93,6 @@ def utf8_urlencode(data):
         utf8_data[k] = v
     return urlencode(utf8_data)
 
-
 def format_data_according_to_header(session, data, headers):
     # when data is an open file descriptor we ignore it
     if is_file_descriptor(data):