diff --git a/markdownify/__init__.py b/markdownify/__init__.py
index 28cdaf6..95eee9e 100644
--- a/markdownify/__init__.py
+++ b/markdownify/__init__.py
@@ -1,7 +1,6 @@
 from bs4 import BeautifulSoup, Comment, Doctype, NavigableString, Tag
 from textwrap import fill
 import re
-import six
 
 
 # General-purpose regex patterns
@@ -249,7 +248,7 @@ def _can_ignore(el):
                 # (subclasses of NavigableString, must test first)
                 return True
             elif isinstance(el, NavigableString):
-                if six.text_type(el).strip() != '':
+                if str(el).strip() != '':
                     # Non-whitespace text nodes are always processed.
                     return False
                 elif should_remove_inside and (not el.previous_sibling or not el.next_sibling):
@@ -345,7 +344,7 @@ def process_text(self, el, parent_tags=None):
         if parent_tags is None:
             parent_tags = set()
 
-        text = six.text_type(el) or ''
+        text = str(el)
 
         # normalize whitespace if we're not inside a preformatted element
         if 'pre' not in parent_tags:
diff --git a/pyproject.toml b/pyproject.toml
index ad15a33..82f7592 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,9 +14,6 @@ classifiers = [
     "Intended Audience :: Developers",
     "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent",
-    "Programming Language :: Python :: 2.5",
-    "Programming Language :: Python :: 2.6",
-    "Programming Language :: Python :: 2.7",
     "Programming Language :: Python :: 3.6",
     "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
@@ -24,7 +21,6 @@ classifiers = [
 ]
 dependencies = [
     "beautifulsoup4>=4.9,<5",
-    "six>=1.15,<2"
 ]
 
 [project.urls]