diff --git a/mkdocs_rss_plugin/timezoner_py39.py b/mkdocs_rss_plugin/timezoner.py
similarity index 100%
rename from mkdocs_rss_plugin/timezoner_py39.py
rename to mkdocs_rss_plugin/timezoner.py
diff --git a/mkdocs_rss_plugin/timezoner_pre39.py b/mkdocs_rss_plugin/timezoner_pre39.py
deleted file mode 100644
index 73ae7e5..0000000
--- a/mkdocs_rss_plugin/timezoner_pre39.py
+++ /dev/null
@@ -1,56 +0,0 @@
-#! python3  # noqa: E265
-
-
-"""
-    Manage timezones for pages date(time)s using pytz module.
-    Meant to be dropped when Python 3.8 reaches EOL.
-"""
-
-# ############################################################################
-# ########## Libraries #############
-# ##################################
-
-# standard library
-from datetime import datetime
-
-# 3rd party
-import pytz
-from mkdocs.plugins import get_plugin_logger
-
-# package
-from mkdocs_rss_plugin.constants import MKDOCS_LOGGER_NAME
-
-# ############################################################################
-# ########## Globals #############
-# ################################
-
-
-logger = get_plugin_logger(MKDOCS_LOGGER_NAME)
-
-
-# ############################################################################
-# ########## Functions ###########
-# ################################
-
-
-def set_datetime_zoneinfo(
-    input_datetime: datetime, config_timezone: str = "UTC"
-) -> datetime:
-    """Apply timezone to a naive datetime.
-
-    :param input_datetime: offset-naive datetime
-    :type input_datetime: datetime
-    :param config_timezone: name of timezone as registered in IANA database,
-    defaults to "UTC". Example : Europe/Paris.
-    :type config_timezone: str, optional
-
-    :return: offset-aware datetime
-    :rtype: datetime
-    """
-    if input_datetime.tzinfo:
-        return input_datetime
-    elif not config_timezone:
-        return input_datetime.replace(tzinfo=pytz.utc)
-    else:
-        config_tz = pytz.timezone(config_timezone)
-        return config_tz.localize(input_datetime)
diff --git a/mkdocs_rss_plugin/util.py b/mkdocs_rss_plugin/util.py
index 6e56ade..e966fe0 100644
--- a/mkdocs_rss_plugin/util.py
+++ b/mkdocs_rss_plugin/util.py
@@ -31,9 +31,7 @@
 from mkdocs_rss_plugin.integrations.theme_material_social_plugin import (
     IntegrationMaterialSocialCards,
 )
-
-# conditional imports
-from mkdocs_rss_plugin.timezoner_py39 import set_datetime_zoneinfo
+from mkdocs_rss_plugin.timezoner import set_datetime_zoneinfo
 
 # ############################################################################
 # ########## Globals #############
diff --git a/requirements/base.txt b/requirements/base.txt
index 1fa26c6..fc74df5 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -4,5 +4,4 @@
 
 GitPython>=3.1,<3.2
 mkdocs>=1.5,<2
-pytz==2022.* ; python_version < "3.9"
 tzdata==2024.* ; python_version >= "3.9" and sys_platform == "win32"