diff --git a/python/helpers/pydev/build_tools/build_binaries_windows.py b/python/helpers/pydev/build_tools/build_binaries_windows.py
index 9424cc9934a5..644573255841 100644
--- a/python/helpers/pydev/build_tools/build_binaries_windows.py
+++ b/python/helpers/pydev/build_tools/build_binaries_windows.py
@@ -1,4 +1,4 @@
-'''
+r'''
 Creating the needed environments for creating the pre-compiled distribution on Windods:
 
 1. Download:
diff --git a/python/helpers/pydev/pydevd_file_utils.py b/python/helpers/pydev/pydevd_file_utils.py
index e8e259371f2e..07a2988969e9 100644
--- a/python/helpers/pydev/pydevd_file_utils.py
+++ b/python/helpers/pydev/pydevd_file_utils.py
@@ -1,4 +1,4 @@
-'''
+r'''
     This module provides utilities to get the absolute filenames so that we can be sure that:
         - The case of a file will match the actual file in the filesystem (otherwise breakpoints won't be hit).
         - Providing means for the user to make path conversions when doing a remote debugging session in
diff --git a/python/helpers/pydev/setup.py b/python/helpers/pydev/setup.py
index 8ef92a2faba6..1058ed824197 100644
--- a/python/helpers/pydev/setup.py
+++ b/python/helpers/pydev/setup.py
@@ -1,4 +1,4 @@
-'''
+r'''
 Full setup, used to distribute the debugger backend to PyPi.
 
 Note that this is mostly so that users can do:
diff --git a/python/helpers/pydev/tests_pydevd_python/performance_check.py b/python/helpers/pydev/tests_pydevd_python/performance_check.py
index 90598d622276..b53e962a9e18 100644
--- a/python/helpers/pydev/tests_pydevd_python/performance_check.py
+++ b/python/helpers/pydev/tests_pydevd_python/performance_check.py
@@ -114,7 +114,7 @@ class CheckDebuggerPerformance(debugger_unittest.DebuggerRunner):
 
     def _get_time_from_result(self, result):
         stdout = ''.join(result['stdout'])
-        match = re.search('TotalTime>>((\d|\.)+)<<', stdout)
+        match = re.search(r'TotalTime>>((\d|\.)+)<<', stdout)
         time_taken = match.group(1)
         return float(time_taken)